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Display resolution standards

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A display resolution standard is a commonly used width and height dimension (display resolution) of an electronic visual display device, measured in pixels . This information is used for electronic devices such as a computer monitor . Certain combinations of width and height are standardized (e.g. by VESA ) and typically given a name and an initialism which is descriptive of its dimensions.

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108-408: The graphics display resolution is also known as the display mode or the video mode, although these terms usually include further specifications such as the image refresh rate and the color depth . The resolution itself only indicates the number of distinct pixels that can be displayed on a screen, which affects the sharpness and clarity of the image. It can be controlled by various factors, such as

216-729: A web browser . The new service is an attempt at capitalizing on the growing trend, fostered during the COVID-19 pandemic , for businesses to adopt a hybrid remote work environment, in which "employees split their time between the office and home". As the service will be accessible through web browsers, Microsoft will be able to bypass the need to publish the service through Google Play or the Apple App Store . Microsoft announced Windows 365 availability to business and enterprise customers on August 2, 2021. Multilingual support has been built into Windows since Windows 3.0. The language for both

324-588: A 16:9 aspect ratio and is exactly four times as many pixels as the 1600 × 900 HD+ resolution, and is therefore referred to as "QHD+" (Quad HD+). It has also been referred to as simply "QHD" and some companies. The first products announced to use this resolution were the 2013 HP Envy 14 TouchSmart Ultrabook and the 13.3-inch Samsung Ativ Q . The resolution 3440 × 1440 is equivalent to QHD ( 2560 × 1440 ) extended in width by 34%, giving it an aspect ratio of 43:18 (2.3 8 :1, or 21.5:9; commonly marketed as simply "21:9"). The first monitor to support this resolution

432-462: A 16:9 aspect ratio is often referred to as "900p". FHD ( Full HD ) is the resolution 1920 × 1080 used by the 1080p and 1080i HDTV video formats. It has a 16:9 aspect ratio and 2,073,600 total pixels, i.e. very close to 2 megapixels, and is exactly 50% larger than 720p HD ( 1280 × 720 ) in each dimension for a total of 2.25 times as many pixels. When using interlacing , the uncompressed bandwidth requirements are similar to those of 720p at

540-399: A 16:9 format with 240, 360, 480 (SD), 720, 1080 (HD), 1440, 2160 (4K) or 4320 (8K) lines. While the monikers for those resolutions originally all used a letter prefix with "HD" for the multiplier, and possibly a "+" suffix for intermediate or taller formats, the newer, larger formats tend to be used with "K" notation for thousands of pixels of horizontal resolution, but may be disambiguated by

648-649: A 27.84-inch 158   PPI 4K IPS monitor for medical purposes launched by Innolux in November 2010. In October 2011 Toshiba announced the REGZA 55x3, which is claimed to be the first 4K glasses-free 3D TV. DisplayPort supports 3840 × 2160 at 30   Hz in version 1.1 and added support for up to 75   Hz in version 1.2 (2009) and 120   Hz in version 1.3 (2014), while HDMI added support for 3840 × 2160 at 30   Hz in version 1.4 (2009) and 60   Hz in version 2.0 (2013). When support for 4K at 60   Hz

756-510: A 3:2 aspect ratio. By 2021, Huawei also offers a monitor display offering this aspect ratio, targeted towards professional uses. All standard HD resolutions share a 16∶9 aspect ratio, although some derived resolutions with smaller or larger ratios also exist, e.g. 4∶3 and 64∶27, respectively. Most of the narrower resolutions are only used for storing, not for displaying videos, while the wider resolutions are often available as physical displays. YouTube, for instance, recommends users upload videos in

864-604: A 47-inch 1440p LCD panel to be released in Q2 2007; the panel was planned to finally debut at FPD International 2008 in a form of autostereoscopic 3D display . As of the end of 2013, monitors with this resolution were becoming more common. The 27-inch version of the Apple Cinema Display monitor introduced in July 2010 has a native resolution of 2560 × 1440 , as did its successor, the 27-inch Apple Thunderbolt Display . The resolution

972-420: A 4:3 display). The 4:3 aspect ratio was common in older television cathode ray tube (CRT) displays, which were not easily adaptable to a wider aspect ratio. When good quality alternate technologies (i.e., liquid crystal displays (LCDs) and plasma displays ) became more available and less costly, around the year 2000, the common computer displays and entertainment products moved to a wider aspect ratio, first to

1080-550: A change which Microsoft promised would provide better performance over its DOS-based predecessors. Windows XP would also introduce a redesigned user interface (including an updated Start menu and a "task-oriented" Windows Explorer ), streamlined multimedia and networking features, Internet Explorer 6 , integration with Microsoft's .NET Passport services, a " compatibility mode " to help provide backwards compatibility with software designed for previous versions of Windows, and Remote Assistance functionality. At retail, Windows XP

1188-427: A combination of aspect ratio , display size , display resolution , color depth , and refresh rate . They are associated with specific expansion cards , video connectors , and monitors . Various computer display standards or display modes have been used in the history of the personal computer . They are often a combination of aspect ratio (specified as width-to-height ratio), display resolution (specified as

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1296-403: A landscape format to accommodate the human field of view , the first number for the width (in columns) is larger than the second for the height (in lines), and this conventionally holds true for handheld devices that are predominatly or even exclusively used in portrait orientation. The graphics display resolution is influenced by the aspect ratio, which is the ratio of the width to the height of

1404-508: A large number of new features, Windows 7 was intended to be a more focused, incremental upgrade to the Windows line, with the goal of being compatible with applications and hardware with which Windows Vista was already compatible. Windows 7 has multi-touch support, a redesigned Windows shell with an updated taskbar with revealable jump lists that contain shortcuts to files frequently used with specific applications and shortcuts to tasks within

1512-404: A minimum resolution for devices to qualify for the certification. However, few screens have been built that use this resolution natively. Most employ 16:9 panels with 768 lines instead ( WXGA ), which resulted in odd numbers of pixels per line, i.e. 1365 ⁠ 1 / 3 ⁠ are rounded to 1360, 1364, 1366 or even 1376, the next multiple of 16. The HD+ resolution of 1600 × 900 pixels in

1620-595: A modular, portable kernel with preemptive multitasking and support for multiple processor architectures. However, following the successful release of Windows 3.0 , the NT development team decided to rework the project to use an extended 32-bit port of the Windows API known as Win32 instead of those of OS/2. Win32 maintained a similar structure to the Windows APIs (allowing existing Windows applications to easily be ported to

1728-577: A multiple of 960 pixels. The next bigger resolution from 1920 × 1080 in vertical direction is 1920 × 1200 (16∶10), which is hence called FHD+ by some producers, but is elsewhere known as WUXGA , the wider variant of 1600 × 1200 UXGA . DCI 2K is a standardized format established by the Digital Cinema Initiatives consortium in 2005 for 2K video projection. This format has a resolution of 2048 × 1080 (2.2 megapixels) with an aspect ratio of 256∶135 (1.8 962 ) or roughly "17∶9". This

1836-400: A new Windows 365 service in the following month. The new service will allow for cross-platform usage , aiming to make the operating system available for both Apple and Android users. It is a separate service and offers several variations including Windows 365 Frontline, Windows 365 Boot, and the Windows 365 app. The subscription service will be accessible through any operating system with

1944-512: A program called "Interface Manager". The name "Windows" comes from the fact that the system was one of the first to use graphical boxes to represent programs; in the industry, at the time, these were called "windows" and the underlying software was called "windowing software." It was announced in November 1983 (after the Apple Lisa , but before the Macintosh ) under the name "Windows", but Windows 1.0

2052-506: A redesigned, object oriented user interface, replacing the previous Program Manager with the Start menu , taskbar , and Windows Explorer shell . Windows 95 was a major commercial success for Microsoft; Ina Fried of CNET remarked that "by the time Windows 95 was finally ushered off the market in 2001, it had become a fixture on computer desktops around the world." Microsoft published four OEM Service Releases (OSR) of Windows 95, each of which

2160-516: A separate signal for each half over the connection, splitting the data between two timing controllers. Newer timing controllers became available in 2014, and after mid-2014 new 4K monitors such as the Asus PB287Q no longer rely on MST tiling technique to achieve 4K at 60   Hz, instead, using the standard SST (Single-Stream Transport) approach. In 2015, Sony announced the Xperia Z5 Premium ,

2268-460: A special version with integrated peer-to-peer networking features and a version number of 3.11, was released. It was sold along with Windows 3.1. Support for Windows 3.1 ended on December 31, 2001. Windows 3.2, released in 1994, is an updated version of the Chinese version of Windows 3.1. The update was limited to this language version, as it fixed only issues related to the complex writing system of

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2376-529: A specific base language and are commonly used for more popular languages such as French or Chinese. These languages cannot be downloaded through the Download Center, but are available as optional updates through the Windows Update service (except Windows 8). The interface language of installed applications is not affected by changes in the Windows interface language. The availability of languages depends on

2484-416: A successor to NT 4.0. The Windows NT name was dropped at this point in order to put a greater focus on the Windows brand. The next major version of Windows NT, Windows XP , was released to manufacturing (RTM) on August 24, 2001, and to the general public on October 25, 2001. The introduction of Windows XP aimed to unify the consumer-oriented Windows 9x series with the architecture introduced by Windows NT,

2592-527: A suitably capable computer, but apart from the 1152×870 "XGA+" mode discussed further below, Mac resolutions beyond 832×624 tended to fall into line with PC standards, using what were essentially rebadged PC monitors with a different cable connection. Mac models after the II (Power Mac, Quadra, etc.) also allowed at first 16-bit High Colour (65,536, or "Thousands of" colours), and then 24-bit True Colour (16.7M, or "Millions of" colours), but much like PC standards beyond XGA,

2700-537: A system qualifier that includes "HD", e.g. "8K UHD" instead of just "8K". nHD (ninth HD, not "nano HD") is a display resolution of 640 × 360 pixels, which is exactly one-ninth of a Full HD (1080p) frame and one-quarter of an HD (720p) frame. Notably, it is neither "nFHD" nor 426 × 240 which would be about ninth of "HD" resolution. Pixel doubling (vertically and horizontally) nHD frames will form one 720p frame and pixel tripling nHD frames will form one 1080p frame. One drawback of this resolution regarding encoding

2808-548: A whole generation of 11–15" laptops), early plasma and HD ready LCD televisions (albeit at a stretched 16:9 aspect ratio, showing down-scaled material), professional video projectors, and most recently, tablet computers. (256:135 or 1.8 962 :1 exact) (64:27, or 2. 370 :1, or 21. 3 :9 exact) (43:18, or 2.3 8 :1, or 21.5:9 exact) (25:16 exact) (256:135 or 1.8 962 :1 exact) (64:27, or 2. 370 :1, or 21. 3 :9 exact) Also used for Dell laptops from 2019 onwards. (25:16 exact) (64:27, or 2. 370 :1, or 21. 3 :9 exact) Although

2916-422: A widescreen aspect ratio. The first monitor to support this resolution was the 37.5-inch LG 38UC99-W. Other vendors followed, with Dell U3818DW, HP Z38c, and Acer XR382CQK. This resolution has been referred to as UW4K , WQHD+ , UWQHD+ or QHD+ , though no single name is agreed upon. The resolution 3840 × 2160 , sometimes referred to as 4K UHD or 4K ×  2K , has a 16:9 aspect ratio and 8,294,400 pixels. It

3024-549: Is a product line of proprietary graphical operating systems developed and marketed by Microsoft . It is grouped into families and sub-families that cater to particular sectors of the computing industry – Windows (unqualified) for a consumer or corporate workstation , Windows Server for a server and Windows IoT for an embedded system . Windows is sold as either a consumer retail product or licensed to third-party hardware manufacturers who sell products bundled with Windows. The first version of Windows, Windows 1.0 ,

3132-502: Is a display resolution of 2560 × 1440 pixels. The name "QHD" reflects the fact that it has four times as many pixels as HD (720p). It is also sometimes called "WQHD" to distinguish it from qHD ( 960 × 540 ), otherwise it is technically redundant since the HD resolutions are all widescreen which the added 'W' empasizes. This resolution was under consideration by the ATSC in the late 1980s to become

3240-665: Is a display resolution of 960 × 540 pixels, which is exactly one-quarter of a Full HD (1080p) frame, in a 16:9 aspect ratio. Notably, it is neither "qFHD" nor 640 × 360 which would be quarter of "HD" resolution (720p). Some of the few tabletop TVs to use this as its native resolution from around 2005 were the Sony XEL-1 and the Sharp Aquos P50 . Sharp marketed its ED TV sets with this resolution as PAL optimal . Similar to DVGA , this resolution became popular for high-end smartphone displays in early 2011. Mobile phones including

3348-576: Is also used in portable devices. In September 2012, Samsung announced the Series 9 WQHD laptop with a 13-inch 2560 × 1440 display. In August 2013, LG announced a 5.5-inch QHD smartphone display, which was used in the LG G3 . In October 2013 Vivo announced a smartphone with a 2560 × 1440 display. Other phone manufacturers followed in 2014, such as Samsung with the Galaxy Note 4 , and Google and Motorola with

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3456-435: Is an edition of Windows that runs on minimalistic computers , like satellite navigation systems and some mobile phones. Windows Embedded Compact is based on its own dedicated kernel, dubbed Windows CE kernel. Microsoft licenses Windows CE to OEMs and device makers. The OEMs and device makers can modify and create their own user interfaces and experiences, while Windows CE provides the technical foundation to do so. Windows CE

3564-450: Is an unofficial name given to the version of Windows that runs on Xbox consoles. From Xbox One onwards it is an implementation with an emphasis on virtualization (using Hyper-V ) as it is three operating systems running at once, consisting of the core operating system , a second implemented for games and a more Windows-like environment for applications. Microsoft updates Xbox One's OS every month, and these updates can be downloaded from

3672-626: Is double the size of Full HD ( 1920 × 1080 ) in both dimensions for a total of four times as many pixels, and triple the size of HD ( 1280 × 720 ) in both dimensions for a total of nine times as many pixels. It is the lowest common multiple of the HDTV resolutions. 3840 × 2160 was chosen as the resolution of the UHDTV1 format defined in SMPTE ST 2036-1, as well as the 4K UHDTV system defined in ITU-R BT.2020 and

3780-467: Is exactly 2 times the width and ⁠1 + 1 / 2 ⁠ times the height of 4:3 VGA ( 640 × 480 ), which shares its aspect ratio and 480 line count with NTSC . HD, therefore, has exactly 3 times as many pixels as VGA, i.e. almost 1 megapixel . In the mid-2000s, when the digital HD technology and standard debuted on the market, this type of resolution was often referred to by the branded name " HD ready " or "HDr" for short, which had specified it as

3888-490: Is more for lower resolutions such as nHD. To avoid storing the eight lines of padded pixels, some people prefer to encode video at 624 × 352 , which only has one stored padded line. When such video streams are either encoded from HD frames or played back on HD displays in full-screen mode (either 720p or 1080p) they are scaled by non-integer scale factors. True nHD frames on the other hand has integer scale factors, for example Nokia 808 PureView which has an nHD display. qHD

3996-493: Is referred to simply as HD, as is evident from derived terms like qHD ( quarter ) and nHD ( ninth ), which have a half and a third of the lines and columns of their common base 1920 × 1080 , respectively, whereas QHD ( quadruple ) has double the dimensions of 1280 × 720 instead. When set in relation to higher resolutions, 1920 × 1080 is also referred to as 2K because it has roughly 2000 pixels of horizontal resolution. This naming convention usually – but not always – assumes

4104-523: Is said to be available to update from qualified Windows 7 with SP1, Windows 8.1 and Windows Phone 8.1 devices from the Get Windows 10 Application (for Windows 7 , Windows 8.1 ) or Windows Update ( Windows 7 ). In February 2017, Microsoft announced the migration of its Windows source code repository from Perforce to Git . This migration involved 3.5 million separate files in a 300-gigabyte repository. By May 2017, 90 percent of its engineering team

4212-401: Is that the number of lines is not an even multiple of 16, which is a common macroblock size for video codecs . Video frames encoded with 16 × 16 pixel macroblocks would be padded to 640 × 368 and the added pixels would be cropped away at playback. H.264 codecs have this padding and cropping ability built-in as standard. The same is true for qHD and 1080p but the relative amount of padding

4320-573: Is the most popular desktop operating system in the world, with a 70% market share as of March 2023 , according to StatCounter ; however when including mobile OS es, it is not the most used, in favor of Android . As of today, the most recent version of Windows is Windows 11 for consumer PCs and tablets , Windows 11 Enterprise for corporations, and Windows Server 2025 for servers. Still supported are some editions of Windows 10 , Windows Server 2016 or later (and exceptionally with paid support down to Windows Server 2008 ). As of today,

4428-447: Is the last Windows client operating system to support Itanium. Windows Server line continues to support this platform until Windows Server 2012 ; Windows Server 2008 R2 is the last Windows operating system to support Itanium architecture. On April 25, 2005, Microsoft released Windows XP Professional x64 Edition and Windows Server 2003 x64 editions to support x86-64 (or simply x64), the 64-bit version of x86 architecture. Windows Vista

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4536-416: Is the native resolution for DCI 4K digital projectors and displays. HDMI added support for 4096 × 2160 at 24   Hz in version 1.4 and 60   Hz in version 2.0. The resolution 5120 × 2160 is equivalent to 4K UHD ( 3840 × 2160 ) extended in width by one third, giving it a 64:27 aspect ratio (2. 370 or 21. 3 :9, commonly marketed as simply "21:9") and 11,059,200 total pixels. It is exactly double

4644-443: Is the native resolution for DCI-compliant 2K digital projectors – active displays with this resolution are rare. The display aspect ratio is frequently wider than the native one, requiring non-square pixels. The resolution 2560 × 1080 is equivalent to Full HD ( 1920 × 1080 ) extended in width by one third, with an aspect ratio of 64:27 (2. 370 , or 21. 3 :9). Monitors at this resolution usually contain built-in firmware to divide

4752-525: The Jolla , Sony Xperia C , HTC Sensation , Motorola Droid RAZR , LG Optimus L9 , Microsoft Lumia 535 , and Samsung Galaxy S4 Mini have displays with the qHD resolution, as does the PlayStation Vita portable game system. The HD or 720p resolution of 1280 × 720 pixels stems from high-definition television (HDTV), where it originally used 50 or 60 frames per second. With its 16:9 aspect ratio, it

4860-599: The Nexus 6 smartphone. By the mid-2010s, it was a common resolution among flagship phones such as the HTC 10 , the Lumia 950 , and the Galaxy S6 and S7. Ultrawide (curved) monitors with a 32:9 aspect ratio and a 5120 × 1440 resolution have been referred to as Dual QHD or DQHD for short. It is sometimes also called "Super-Ultrawide" for marketing purposes. The resolution 3200 × 1800 has

4968-585: The Start screen , which uses large tiles that are more convenient for touch interactions and allow for the display of continually updated information, and a new class of apps which are designed primarily for use on touch-based devices. The new Windows version required a minimum resolution of 1024×768 pixels, effectively making it unfit for netbooks with 800×600-pixel screens. Other changes include increased integration with cloud services and other online platforms (such as social networks and Microsoft's own OneDrive (formerly SkyDrive) and Xbox Live services),

5076-570: The TCO . A number of common resolutions have been used with computers descended from the original IBM PC . Some of these are now supported by other families of personal computers. These are de facto standards, usually originated by one manufacturer and reverse-engineered by others, though the VESA group has co-ordinated the efforts of several leading video display adapter manufacturers. Video standards associated with IBM-PC-descended personal computers are shown in

5184-648: The UHD-1 broadcast standard from DVB . It is also the minimum resolution requirement for CEA's definition of an Ultra HD display. Before the publication of these standards, it was sometimes casually referred to as "QFHD" (Quad Full HD). The first commercial displays capable of this resolution include an 82-inch LCD TV revealed by Samsung in early 2008, the Sony SRM-L560, a 56-inch LCD reference monitor announced in October 2009, an 84-inch display demonstrated by LG in mid-2010, and

5292-529: The VESA BIOS Extensions , leading to the establishment of "SVGA" and "VESA" as catch-all terms encompassing output modes that surpassed the original VGA specifications. Later, larger monitors (15" and 16") allowed use of an SVGA-like binary-half-megapixel 832×624 resolution (at 75 Hz) that was eventually used as the default setting for the original, late-1990s iMac. Even larger 17" and 19" monitors could attain higher resolutions still, when connected to

5400-950: The Windows Driver Model , support for USB composite devices , support for ACPI , hibernation , and support for multi-monitor configurations. Windows 98 also included integration with Internet Explorer 4 through Active Desktop and other aspects of the Windows Desktop Update (a series of enhancements to the Explorer shell which was also made available for Windows 95). In May 1999, Microsoft released Windows 98 Second Edition , an updated version of Windows 98. Windows 98 SE added Internet Explorer 5.0 and Windows Media Player 6.2 amongst other upgrades. Mainstream support for Windows 98 ended on June 30, 2002, and extended support for Windows 98 ended on July 11, 2006. On September 14, 2000, Microsoft released Windows Me (Millennium Edition),

5508-494: The Windows Image Acquisition framework for retrieving images from scanners and digital cameras), additional system utilities such as System File Protection and System Restore , and updated home networking tools. However, Windows Me was faced with criticism for its speed and instability, along with hardware compatibility issues and its removal of real mode DOS support. PC World considered Windows Me to be one of

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5616-568: The Windows Store service for software distribution, and a new variant known as Windows RT for use on devices that utilize the ARM architecture , and a new keyboard shortcut for screenshots . An update to Windows 8, called Windows 8.1 , was released on October 17, 2013, and includes features such as new live tile sizes, deeper OneDrive integration, and many other revisions. Windows 8 and Windows 8.1 have been subject to some criticism, such as

5724-448: The x86 -based personal computer became dominant in the professional world. Windows NT 4.0 and its predecessors supported PowerPC , DEC Alpha and MIPS R4000 (although some of the platforms implement 64-bit computing , the OS treated them as 32-bit). Windows 2000 dropped support for all platforms, except the third generation x86 (known as IA-32 ) or newer in 32-bit mode. The client line of

5832-446: The "Tablet PC" edition (designed for mobile devices meeting its specifications for a tablet computer , with support for stylus pen input and additional pen-enabled applications). Mainstream support for Windows XP ended on April 14, 2009. Extended support ended on April 8, 2014. After Windows 2000, Microsoft also changed its release schedules for server operating systems; the server counterpart of Windows XP, Windows Server 2003 ,

5940-621: The 16:10 aspect ratio had virtually disappeared from the Windows laptop display market (although Mac laptops are still mostly 16:10, including the 2880 × 1800 15" Retina MacBook Pro and the 2560 × 1600 13" Retina MacBook Pro). One consequence of this transition was that the highest available resolutions moved generally downward (i.e., the move from 1920 × 1200 laptop displays to 1920 × 1080 displays). In response to usability flaws of now common 16:9 displays in office/professional applications, Microsoft and Huawei started to offer notebooks with

6048-436: The 16:10 aspect ratio longer than the entertainment industry, but in the 2005–2010 period, computers were increasingly marketed as dual-use products, with uses in the traditional computer applications, but also as means of viewing entertainment content. In this time frame, with the notable exception of Apple, almost all desktop, laptop, and display manufacturers gradually moved to promoting only 16:9 aspect ratio displays. By 2011,

6156-461: The 16:10 ratio. The 16:10 ratio allowed some compromise between showing older 4:3 aspect ratio broadcast TV shows, but also allowing better viewing of widescreen movies. However, around the year 2005, home entertainment displays (i.e., TV sets) gradually moved from 16:10 to the 16:9 aspect ratio, for further improvement of viewing widescreen movies. By about 2007, virtually all mass-market entertainment displays were 16:9. In 2011, 1920 × 1080 (Full HD,

6264-726: The C development environment, which included numerous windows samples. Windows 2.0 was released in December 1987, and was more popular than its predecessor. It features several improvements to the user interface and memory management. Windows 2.03 changed the OS from tiled windows to overlapping windows. The result of this change led to Apple Computer filing a suit against Microsoft alleging infringement on Apple's copyrights (eventually settled in court in Microsoft's favor in 1993). Windows 2.0 also introduced more sophisticated keyboard shortcuts and could make use of expanded memory . Windows 2.1

6372-589: The Chinese language. Windows 3.2 was generally sold by computer manufacturers with a ten-disk version of MS-DOS that also had Simplified Chinese characters in basic output and some translated utilities. The next major consumer-oriented release of Windows, Windows 95 , was released on August 24, 1995. While still remaining MS-DOS-based, Windows 95 introduced support for native 32-bit applications , plug and play hardware, preemptive multitasking , long file names of up to 255 characters, and provided increased stability over its predecessors. Windows 95 also introduced

6480-575: The Windows NT family still ran on IA-32 up to Windows 10 (the server line of the Windows NT family still ran on IA-32 up to Windows Server 2008 ). With the introduction of the Intel Itanium architecture ( IA-64 ), Microsoft released new versions of Windows to support it. Itanium versions of Windows XP and Windows Server 2003 were released at the same time as their mainstream x86 counterparts. Windows XP 64-Bit Edition (Version 2003), released in 2003,

6588-430: The Windows interface, and require a certain base language (the language which Windows originally shipped with). This is used for most languages in emerging markets. Full Language Packs, which translate the complete operating system, are only available for specific editions of Windows (Ultimate and Enterprise editions of Windows Vista and 7, and all editions of Windows 8, 8.1 and RT except Single Language). They do not require

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6696-616: The Xbox 360's system is backwards compatible with the original Xbox. Up to and including every version before Windows 2000 , Microsoft used an in-house version control system named Source Library Manager (SLM). Shortly after Windows 2000 was released, Microsoft switched to a fork of Perforce named Source Depot. This system was used up until 2017 once the system could not keep up with the size of Windows. Microsoft had begun to integrate Git into Team Foundation Server in 2013, but Windows (and Office) continued to rely on Source Depot. The Windows code

6804-522: The Xbox Live service to the Xbox and subsequently installed, or by using offline recovery images downloaded via a PC. It was originally based on NT 6.2 (Windows 8) kernel, and the latest version runs on an NT 10.0 base. This system is sometimes referred to as "Windows 10 on Xbox One". Xbox One and Xbox Series operating systems also allow limited (due to licensing restrictions and testing resources) backward compatibility with previous generation hardware, and

6912-403: The application developers themselves. Windows 8 and Windows Server 2012 introduce a new Language Control Panel where both the interface and input languages can be simultaneously changed, and language packs, regardless of type, can be downloaded from a central location. The PC Settings app in Windows 8.1 and Windows Server 2012 R2 also includes a counterpart settings page for this. Changing

7020-437: The application, a home networking system called HomeGroup , and performance improvements. Windows 8 , the successor to Windows 7, was released generally on October 26, 2012. A number of significant changes were made on Windows 8, including the introduction of a user interface based around Microsoft's Metro design language with optimizations for touch-based devices such as tablets and all-in-one PCs. These changes include

7128-846: The common standard prefixes super and ultra do not indicate specific modifiers to base standard resolutions, several others do: These prefixes are also often combined, as in WQXGA or WHUXGA , with levels of stacking not hindered by the same consideration towards readability as the decline of the added "X" - especially as there is not even a defined hierarchy or value for S/X/U/+ modifiers. Microsoft Windows 24H2 (10.0.26100.2454) (November 21, 2024 ; 7 days ago  ( 2024-11-21 ) ) [±] 23H2 (10.0.22635.4515) (November 22, 2024 ; 6 days ago  ( 2024-11-22 ) ) [±] 24H2 (10.0.26120.2415) (November 22, 2024 ; 6 days ago  ( 2024-11-22 ) ) [±] Microsoft Windows

7236-409: The design, mostly because of virtual memory and loadable virtual device drivers ( VxDs ) that allow Windows to share arbitrary devices between multi-tasked DOS applications. Windows 3.0 applications can run in protected mode , which gives them access to several megabytes of memory without the obligation to participate in the software virtual memory scheme. They run inside the same address space, where

7344-463: The diagram and table below, alongside those of early Macintosh and other makes for comparison. (From the early 1990s onwards, most manufacturers moved over to PC display standards thanks to widely available and affordable hardware). Furthermore, VGA displays and adapters are generally capable of Mode X graphics, an undocumented mode to allow increased non-standard resolutions, most commonly 320×240 (with 8 bpp and square pixels) at 60 Hz. VGA, like

7452-446: The display. The aspect ratio determines how the image is scaled and stretched or cropped to fit the screen. The most common aspect ratios for graphics displays are 4:3 , 16:10 (equal to 8:5), 16:9 , and " 21:9 ". The aspect ratio also affects the perceived size of objects on the screen. The native screen resolution together with the physical dimensions of the graphics display can be used to calculate its pixel density . An increase in

7560-430: The era of the cathode ray tube (CRT). The 16:10 aspect ratio had its largest use in the 1995–2010 period, and the 16:9 aspect ratio tends to reflect post-2010 mass-market computer monitor, laptop, and entertainment products displays. On CRTs, there was often a difference between the aspect ratio of the computer resolution and the aspect ratio of the display causing non-square pixels (e.g. 320 × 200 or 1280 × 1024 on

7668-639: The first smartphone with a 4K display, and in 2017 Sony announced the Xperia XZ Premium, the first smartphone with a 4K HDR display. 4096 × 2160 , referred to as DCI 4K , Cinema 4K or 4K ×  2K , is the resolution used by the 4K container format defined by the Digital Cinema Initiatives Digital Cinema System Specification, a prominent standard in the cinema industry. This resolution has an aspect ratio of 256:135 (1.8 962 :1), and 8,847,360 total pixels. This

7776-516: The full Windows feature set. The early versions of Windows are often thought of as graphical shells, mostly because they ran on top of MS-DOS and used it for file system services. However, even the earliest Windows versions already assumed many typical operating system functions; notably, having their own executable file format and providing their own device drivers (timer, graphics, printer, mouse, keyboard and sound). Unlike MS-DOS, Windows allowed users to execute multiple graphical applications at

7884-608: The increase in colour depth past 8 bpp was not strictly tied to changing resolution standards. (683:384 exact) The high-resolution mode introduced by 8514/A became a de facto general standard in a succession of computing and digital-media fields for more than two decades, arguably more so than SVGA, with successive IBM and clone videocards and CRT monitors (a multisync monitor's grade being broadly determinable by whether it could display 1024×768 at all, or show it interlaced, non-interlaced, or "flicker-free"), LCD panels (the standard resolution for 14" and 15" 4:3 desktop monitors, and

7992-436: The interface language also changes the language of preinstalled Windows Store apps (such as Mail, Maps and News) and certain other Microsoft-developed apps (such as Remote Desktop). The above limitations for language packs are however still in effect, except that full language packs can be installed for any edition except Single Language, which caters to emerging markets. Windows NT included support for several platforms before

8100-505: The keyboard and the interface can be changed through the Region and Language Control Panel. Components for all supported input languages, such as Input Method Editors , are automatically installed during Windows installation (in Windows XP and earlier, files for East Asian languages, such as Chinese, and files for right-to-left scripts, such as Arabic, may need to be installed separately, also from

8208-433: The last DOS-based version of Windows. Windows Me incorporated visual interface enhancements from its Windows NT-based counterpart Windows 2000 , had faster boot times than previous versions (which however, required the removal of the ability to access a real mode DOS environment, removing compatibility with some older programs), expanded multimedia functionality (including Windows Media Player 7, Windows Movie Maker , and

8316-471: The majority of the following standards, was capable of displaying most standard modes featured by IBM-compatible PCs—CGA, EGA, MDA and MCGA—but typically not Hercules or PGA/PGC. Over the course of the early-to-mid-1990s, "SVGA" became a quasi-standard term in PC games, typically referring to a 640×480 resolution using 256 colours (8 bpp) at 60 Hz refresh rate. Many other higher and lower modes were standardized in

8424-611: The native resolution of Blu-ray ) was the favored resolution in the most heavily marketed entertainment market displays. The next standard, 3840 × 2160 (4K UHD), was first sold in 2013. Also in 2013, displays with 2560 × 1080 (aspect ratio 64:27 or 2. 370 , however commonly referred to as "21:9" for easy comparison with 16:9) appeared, which closely approximate the common CinemaScope movie standard aspect ratio of 2.35–2.40. In 2014, "21:9" screens with pixel dimensions of 3440 × 1440 (actual aspect ratio 43:18 or 2.3 8 ) became available as well. The computer display industry maintained

8532-622: The only active top-level family is Windows NT . The first version, Windows NT 3.1 , was intended for server computing and corporate workstations . It grew into a product line of its own and now consists of four sub-families that tend to be released almost simultaneously and share the same kernel. These top-level Windows families are no longer actively developed: The term Windows collectively describes any or all of several generations of Microsoft operating system products. These products are generally categorized as follows: The history of Windows dates back to 1981 when Microsoft started work on

8640-694: The pixel density often correlates with a decrease in the size of individual pixels on a display. Some graphics displays support multiple resolutions and aspect ratios, which can be changed by the user or by the software. In particular, some devices use a hardware/ native resolution that is a simple multiple of the recommended software/virtual resolutions in order to show finer details; marketing terms for this include " Retina display ". The favored aspect ratio of mass-market display industry products has changed gradually from 4:3, then to 16:10, then to 16:9, and has now changed to 18:9 for smartphones . The 4:3 aspect ratio generally reflects older products, especially

8748-403: The platform), but also supported the capabilities of the existing NT kernel . Following its approval by Microsoft's staff, development continued on what was now Windows NT, the first 32-bit version of Windows. However, IBM objected to the changes, and ultimately continued OS/2 development on its own. Windows NT was the first Windows operating system based on a hybrid kernel . The hybrid kernel

8856-489: The removal of the Start menu . On September 30, 2014, Microsoft announced Windows 10 as the successor to Windows 8.1. It was released on July 29, 2015, and addresses shortcomings in the user interface first introduced with Windows 8. Changes on PC include the return of the Start Menu, a virtual desktop system, and the ability to run Windows Store apps within windows on the desktop rather than in full-screen mode. Windows 10

8964-751: The said Control Panel). Third-party IMEs may also be installed if a user feels that the provided one is insufficient for their needs. Since Windows 2000, English editions of Windows NT have East Asian IMEs (such as Microsoft Pinyin IME and Microsoft Japanese IME) bundled, but files for East Asian languages may be manually installed on Control Panel. Interface languages for the operating system are free for download, but some languages are limited to certain editions of Windows. Language Interface Packs (LIPs) are redistributable and may be downloaded from Microsoft's Download Center and installed for any edition of Windows (XP or later) – they translate most, but not all, of

9072-418: The same field rate (a 12.5% increase, as one field of 1080i video is 1,036,800 pixels, and one frame of 720p video is 921,600 pixels). Although the number of pixels is the same for 1080p and 1080i, the effective resolution is somewhat lower for the interlaced format, as it is necessary to use some vertical low-pass filtering to reduce temporal artifacts such as interline twitter . Sometimes, this resolution

9180-420: The same time, through cooperative multitasking . Windows implemented an elaborate, segment-based, software virtual memory scheme, which allows it to run applications larger than available memory: code segments and resources are swapped in and thrown away when memory became scarce; data segments moved in memory when a given application had relinquished processor control. Windows 3.0 , released in 1990, improved

9288-403: The screen into two 1280 × 1080 screens. There are other, non-standard display resolutions with 1080 lines whose aspect ratios fall between the usual 16∶9 and the ultra-wide 64∶27, e.g. 18∶9, 18.5∶9, 19∶9 and 19.5∶9. They are mostly used in smartphones or phablets and do not have established names, but may be subsumed under the umbrella term ultra-wide (full) HD . QHD (Quad HD) or 1440p

9396-444: The screen into two 1920 × 1080 screens, or one 2560 × 1080 and one 1280 × 1080 screen. The resolution 3840 × 1600 has a 12:5 aspect ratio, i.e. 2.4 or 21.6:9, which is commonly marketed as simply "21:9". It is equivalent to WQXGA ( 2560 × 1600 ) extended in width by 50%, or 4K UHD ( 3840 × 2160 ) reduced in height by 26%. This resolution is commonly encountered in cinematic 4K content that has been cropped vertically to

9504-439: The segmented memory provides a degree of protection. Windows 3.0 also featured improvements to the user interface. Microsoft rewrote critical operations from C into assembly . Windows 3.0 was the first version of Windows to achieve broad commercial success, selling 2 million copies in the first six months. Windows 3.1, made generally available on March 1, 1992, featured a facelift. In August 1993, Windows for Workgroups,

9612-579: The size of 2560 × 1080 in both dimensions, for a total of four times as many pixels. The first displays to support this resolution were 105-inch televisions, the LG 105UC9 and the Samsung UN105S9W. In December 2017, LG announced a 34-inch 5120 × 2160 monitor, the 34WK95U, and in January 2021 the 40-inch 40WP95C. LG refers to this resolution as "5K2K WUHD". Display mode Computer display standards are

9720-474: The standard HDTV format, because it is exactly 4 times the width and 3 times the height of VGA, which has the same number of lines as NTSC signals at the SDTV 4:3 aspect ratio. Pragmatic technical constraints made them choose the now well-known 16:9 formats of 1280 × 720 and 1920 × 1080 instead, which were 2 times and 3 times the width of VGA respectively. In October 2006, Chi Mei Optoelectronics (CMO) announced

9828-448: The type of display device, the signal format, the aspect ratio, and the refresh rate. Some graphics display resolutions are frequently referenced with a single number (e.g. in "1080p" or "4K"), which represents the number of horizontal or vertical pixels. More generally, any resolution can be expressed as two numbers separated by a multiplication sign (e.g. "1920×1080"), which represent the width and height in pixels. Since most screens have

9936-554: The width and height in pixels ), color depth (measured in bits per pixel), and refresh rate (expressed in hertz ). Associated with the screen resolution and refresh rate is a display adapter. Earlier display adapters were simple frame-buffers, but later display standards also specified a more extensive set of display functions and software controlled interface. Beyond display modes, the VESA industry organization has defined several standards related to power management and device identification, while ergonomics standards are set by

10044-465: The worst operating systems Microsoft had ever released, and the fourth worst tech product of all time. In November 1988, a new development team within Microsoft (which included former Digital Equipment Corporation developers Dave Cutler and Mark Lucovsky ) began work on a revamped version of IBM and Microsoft's OS/2 operating system known as "NT OS/2". NT OS/2 was intended to be a secure, multi-user operating system with POSIX compatibility and

10152-588: Was added in DisplayPort 1.2, no DisplayPort timing controllers (TCONs) existed which were capable of processing the necessary amount of data from a single video stream. As a result, the first 4K monitors from 2013 and early 2014, such as the Sharp PN-K321, Asus PQ321Q, and Dell UP2414Q and UP3214Q, were addressed internally as two 1920 × 2160 monitors side by side instead of a single display and made use of DisplayPort's Multi-Stream Transport (MST) feature to multiplex

10260-407: Was announced as the successor to Windows 10 during a livestream. The new operating system was designed to be more user-friendly and understandable. It was released on October 5, 2021. As of May 2022, Windows 11 is a free upgrade to Windows 10 users who meet the system requirements. In July 2021, Microsoft announced it will start selling subscriptions to virtualized Windows desktops as part of

10368-492: Was available in a number of different editions , and has been subject to some criticism , such as drop of performance, longer boot time, criticism of new UAC, and stricter license agreement. Vista's server counterpart, Windows Server 2008 was released in early 2008. On July 22, 2009, Windows 7 and Windows Server 2008 R2 were released to manufacturing (RTM) and released to the public three months later on October 22, 2009. Unlike its predecessor, Windows Vista, which introduced

10476-462: Was designed as a modified microkernel , influenced by the Mach microkernel developed by Richard Rashid at Carnegie Mellon University, but without meeting all of the criteria of a pure microkernel. The first release of the resulting operating system, Windows NT 3.1 (named to associate it with Windows 3.1 ) was released in July 1993, with versions for desktop workstations and servers . Windows NT 3.5

10584-462: Was marketed in two main editions : the "Home" edition was targeted towards consumers, while the "Professional" edition was targeted towards business environments and power users , and included additional security and networking features. Home and Professional were later accompanied by the "Media Center" edition (designed for home theater PCs , with an emphasis on support for DVD playback, TV tuner cards , DVR functionality, and remote controls), and

10692-690: Was not released until November 1985. Windows 1.0 was to compete with Apple 's operating system, but achieved little popularity. Windows 1.0 is not a complete operating system; rather, it extends MS-DOS . The shell of Windows 1.0 is a program known as the MS-DOS Executive . Components included Calculator , Calendar, Cardfile , Clipboard Viewer , Clock, Control Panel , Notepad , Paint , Reversi , Terminal and Write . Windows 1.0 does not allow overlapping windows. Instead, all windows are tiled . Only modal dialog boxes may appear over other windows. Microsoft sold as included Windows Development libraries with

10800-458: Was released in April 2003. It was followed in December 2005, by Windows Server 2003 R2. After a lengthy development process , Windows Vista was released on November 30, 2006, for volume licensing and January 30, 2007, for consumers. It contained a number of new features , from a redesigned shell and user interface to significant technical changes , with a particular focus on security features . It

10908-609: Was released in September 1994, focusing on performance improvements and support for Novell 's NetWare , and was followed up by Windows NT 3.51 in May 1995, which included additional improvements and support for the PowerPC architecture. Windows NT 4.0 was released in June 1996, introducing the redesigned interface of Windows 95 to the NT series. On February 17, 2000, Microsoft released Windows 2000 ,

11016-671: Was released in two different versions: Windows/286 and Windows/386 . Windows/386 uses the virtual 8086 mode of the Intel 80386 to multitask several DOS programs and the paged memory model to emulate expanded memory using available extended memory . Windows/286, in spite of its name, runs on both Intel 8086 and Intel 80286 processors. It runs in real mode but can make use of the high memory area . In addition to full Windows packages, there were runtime-only versions that shipped with early Windows software from third parties and made it possible to run their Windows software on MS-DOS and without

11124-505: Was released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). The name "Windows" is a reference to the windowing system in GUIs. The 1990 release of Windows 3.0 catapulted its market success and led to various other product families, including the now-defunct Windows 9x , Windows Mobile , Windows Phone , and Windows CE/Embedded Compact . Windows

11232-401: Was roughly equivalent to a service pack . The first OSR of Windows 95 was also the first version of Windows to be bundled with Microsoft's web browser , Internet Explorer . Mainstream support for Windows 95 ended on December 31, 2000, and extended support for Windows 95 ended on December 31, 2001. Windows 95 was followed up with the release of Windows 98 on June 25, 1998, which introduced

11340-522: Was the 34-inch LG 34UM95-P. This monitor was first released in Germany in late December 2013, before being officially announced at CES 2014. The resolution 3840 × 1080 is equivalent to two Full HD ( 1920 × 1080 ) displays side by side or one vertical half of a 4K UHD ( 3840 × 2160 ) display. It has an aspect ratio of 32:9 (3. 5 :1), close to the 3.6:1 ratio of IMAX UltraWideScreen 3.6 . Samsung monitors at this resolution contain built-in firmware to divide

11448-582: Was the first client version of Windows NT to be released simultaneously in IA-32 and x64 editions. As of 2024, x64 is still supported. An edition of Windows 8 known as Windows RT was specifically created for computers with ARM architecture , and while ARM is still used for Windows smartphones with Windows 10, tablets with Windows RT will not be updated. Starting from Windows 10 Fall Creators Update (version 1709) and later includes support for ARM-based PCs. Windows CE (officially known as Windows Embedded Compact ),

11556-551: Was used in the Dreamcast along with Sega's own proprietary OS for the console. Windows CE was the core from which Windows Mobile was derived. Its successor, Windows Phone 7 , was based on components from both Windows CE 6.0 R3 and Windows CE 7.0 . Windows Phone 8 however, is based on the same NT-kernel as Windows 8. Windows Embedded Compact is not to be confused with Windows XP Embedded or Windows NT 4.0 Embedded , modular editions of Windows based on Windows NT kernel. Xbox OS

11664-420: Was using Git, in about 8500 commits and 1760 Windows builds per day. In June 2021, shortly before Microsoft's announcement of Windows 11, Microsoft updated their lifecycle policy pages for Windows 10, revealing that support for their last release of Windows 10 will end on October 14, 2025. On April 27, 2023, Microsoft announced that version 22H2 would be the last of Windows 10. On June 24, 2021, Windows 11

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