Misplaced Pages

#273726

73-476: The Integral PC is a mains-powered portable computer with a 9-inch amber electroluminescent display with a resolution of 512×255 pixels or 80×25 characters (the 256th line of the display is not used). It also incorporated a 710 kB 3.5" floppy disk drive and an HP ThinkJet ink-jet printer . Standard memory capacity was 256 KB ROM plus 512 KB RAM, expandable to 7.5 MB. Expansion slots and an HP-IB bus were also included. The mechanical design

146-447: A hard disk drive (HDD) for storage; since then, solid-state drives (SSD) have gradually come to supplant hard drives in all but some inexpensive consumer models. Solid-state drives are faster and more power-efficient, as well as eliminating the hazard of drive and data corruption caused by a laptop's physical impacts, as they use no mechanical parts such as a rotational platter. In many cases, they are more compact as well. Initially, in

219-417: A separate graphics processor were limited in their utility for gaming and professional applications involving 3D graphics, but the capabilities of CPU-integrated graphics have converged with the low-end of dedicated graphics processors since the mid-2010s. For laptops possessing limited onboard graphics capability but sufficient I/O throughput, an external GPU (eGPU) can provide additional graphics power at

292-478: A 32-character screen, a floppy disk: capacity = 140 000 characters, of a thermal printer: speed = 28 characters / sec, an asynchronous channel, a synchronous channel, a 220 V power supply. Designed for an operating temperature of 15–35 °C (59–95 °F), it weighed 12 kilograms (26 lb) and its dimensions were 45 cm × 45 cm × 15 cm (17.7 in × 17.7 in × 5.9 in). It provided total mobility. Its operating system

365-414: A broad range of devices, which combined features of several previously separate device types. The hybrids , convertibles , and 2-in-1s emerged as crossover devices, which share traits of both tablets and laptops. All such devices have a touchscreen display designed to allow users to work in a tablet mode, using either multi-touch gestures or a stylus / digital pen . Convertibles are devices with

438-963: A continuous connection to an external power source; this limitation was later overcome by the laptop computers . Laptops were followed by lighter models such as netbooks , so that in the 2000s mobile devices and by 2007 smartphones made the term "portable" rather meaningless. The 2010s introduced wearable computers such as smartwatches . Portable computers, by their nature, are generally microcomputers . Larger portable computers were commonly known as 'Lunchbox' or 'Luggable' computers. They are also called 'Portable Workstations' or 'Portable PCs'. In Japan they were often called 'Bentocom'. ( ベントコン , Bentokon ) from " bento ". Portable computers, more narrowly defined, are distinct from desktop replacement computers in that they usually were constructed from full-specification desktop components, and often do not incorporate features associated with laptops or mobile devices. A portable computer in this usage, versus

511-458: A few high-end models intended for gaming do as well. As of 2021, 8 GB RAM is most common, with lower-end models occasionally having 4 GB. Higher-end laptops may come with 16 GB of RAM or more. The earliest laptops most often used floppy disk for storage, although a few used either RAM disk or tape, by the late 1980s hard disk drives had become the standard form of storage. Between 1990 and 2009, almost all laptops typically had

584-405: A full-featured desktop OS like Windows 10 , and have a number of typical laptop I/O ports, such as USB 3 and Mini DisplayPort . 2-in-1s are designed to be used not only as a media consumption device but also as valid desktop or laptop replacements, due to their ability to run desktop applications, such as Adobe Photoshop . It is possible to connect multiple peripheral devices, such as

657-701: A hardware cursor and the display-RAM-interface. The electroluminescence-display was based on thin-film-technique developed by HP and other companies. The Integral PC is unusual in that the HP-UX operating system kernel resided in the ROM, which also included the HP Windows graphical user interface and the Personal Applications Manager (PAM). HP-UX commands and utilities were supplied separately on floppy disk , with separate disks for standard Unix commands (including

730-592: A laptop and provide display output over one USB-C Cable. Most laptop displays have a maximum refresh rate of 60 Hz. The Dell M17x and Samsung 700G7A, both released in 2011, were among the first laptops to feature a 120 Hz refresh rate, and more such laptops have appeared in the years since. A laptop's CPU has advanced power-saving features and produces less heat than one intended purely for desktop use. Mainstream laptop CPUs made after 2018 have at least two processor cores, often four cores, and sometimes more, with 6 and 8 cores becoming more common. For

803-496: A laptop or other mobile computing device , have a standard motherboard or backplane providing plug-in slots for add-in cards. This allows mission specific cards such as test, A/D, or communication protocol (IEEE-488, 1553) to be installed. Portable computers also provide for more disk storage by using standard disk drives and provide for multiple drives. In 1973, the IBM Los Gatos Scientific Center developed

SECTION 10

#1732859534274

876-510: A mouse, keyboard, and several external displays to a modern 2-in-1. Microsoft Surface Pro-series devices and Surface Book are examples of modern 2-in-1 detachable, whereas Lenovo Yoga -series computers are a variant of 2-in-1 convertibles. While the older Surface RT and Surface 2 have the same chassis design as the Surface Pro, their use of ARM processors and Windows RT do not classify them as 2-in-1s, but as hybrid tablets. Similarly,

949-742: A number of hybrid laptops run a mobile operating system , such as Android . These include Asus's Transformer Pad devices, examples of hybrids with a detachable keyboard design, which do not fall in the category of 2-in-1s. A rugged laptop is designed to reliably operate in harsh usage conditions such as strong vibrations, extreme temperatures, and wet or dusty environments. Rugged laptops are bulkier, heavier, and much more expensive than regular laptops, and thus are seldom seen in regular consumer use. The basic components of laptops function identically to their desktop counterparts. Traditionally they were miniaturized and adapted to mobile use, The design restrictions on power, size, and cooling of laptops limit

1022-541: A portable computer prototype called SCAMP (Special Computer APL Machine Portable) based on the IBM PALM processor with a Philips compact cassette drive, small CRT and full function keyboard. SCAMP emulated an IBM 1130 minicomputer in order to run APL\1130. In 1973, APL was generally available only on mainframe computers, and most desktop sized microcomputers such as the Wang 2200 or HP 9800 offered only BASIC . Because SCAMP

1095-440: A prototype and did not enter production. Successful demonstrations of the 1973 SCAMP prototype led to the first commercial IBM 5100 portable microcomputer launched in 1975. The product incorporated an IBM PALM processor , 5-inch (130 mm) CRT, full function keyboard and the ability to be programmed in both APL and BASIC for engineers, analysts, statisticians and other business problem-solvers. (IBM provided different models of

1168-411: A single location such as desktops and workstations . These computers usually include a display and keyboard that are directly connected to the main case , all sharing a single power plug together, much like later desktop computers called all-in-ones (AIO) that integrate the system's internal components into the same case as the display. In modern usage, a portable computer usually refers to

1241-485: A small niche market , mostly for specialized field applications, such as in the military, for accountants, or travelling sales representatives. As portable computers evolved into modern laptops, they became widely used for a variety of purposes. The history of the laptop follows closely behind the development of the personal computer itself. A "personal, portable information manipulator" was imagined by Alan Kay at Xerox PARC in 1968, and described in his 1972 paper as

1314-493: A standard for memory cards in PCs. The specification for PCMCIA type I cards, later renamed PC Cards, was first released in 1990. Displays reached 640x480 ( VGA ) resolution by 1988 ( Compaq SLT/286 ), and color screens started becoming a common upgrade in 1991, with increases in resolution and screen size occurring frequently until the introduction of 17" screen laptops in 2003. Hard drives started to be used in portables, encouraged by

1387-587: A type of portable computer that was smaller and lighter than mainstream laptops of the time, but has since come to mean the same thing and no longer refers to any specific size. Laptops are used in a variety of settings, such as at work (especially on business trips ), in education , for playing games , web browsing , for personal multimedia , and for general home computer use. They can run on both AC power and rechargable battery packs and can be folded shut for convenient storage and transportation, making them suitable for mobile use . Laptops combine many of

1460-633: A very light and compact personal computer such as a laptop , subnotebook or handheld PC , while touchscreen -based handheld ("palmtop") devices such as tablets , phablets and smartphones are called mobile devices instead. The first commercially sold portable computer might be the 20-pound (9.1 kg) MCM/70 , released 1974. The next major portables were the 50-pound (23 kg) IBM 5100 (1975), Osborne 's 24-pound (11 kg) CP/M -based Osborne 1 (1981) and Compaq 's 28-pound (13 kg), advertised as 100% IBM PC compatible Compaq Portable (1983). These luggable computers still required

1533-485: A wide range of CPUs designed for laptops available from both Intel , AMD , and other manufacturers. On non- x86 architectures, Motorola and IBM produced the chips for the former PowerPC -based Apple laptops ( iBook and PowerBook ). Between around 2000 to 2014, most full-size laptops had socketed, replaceable CPUs; on thinner models, the CPU was soldered on the motherboard and was not replaceable or upgradable without replacing

SECTION 20

#1732859534274

1606-398: Is a concept for a laptop that can be easily disassembled. The terms laptop and notebook both trace their origins to the early 1980s, coined to describe portable computers in a size class smaller than the contemporary mainstream units (so-called "luggables" ) but larger than pocket computers . The etymologist William Safire traced the origin of laptop to some time before 1984;

1679-494: Is about the size and weight of a sewing machine, and was advertised as the only computer that would fit underneath an airline seat . Another early portable computer released in 1982 was named the Kaypro II , although it was the company's first commercially available product. Some of the press mocked its design—one magazine described Kaypro Corporation as "producing computers packaged in tin cans". Others raved about its value, as

1752-476: Is mounted, although, as of 2021, an increasing number of models use memory soldered to the motherboard, either alongside SO-DIMM slots or without any slots and soldering all memory to the motherboard, but a new form factor, the CAMM module , is slated to fix the size and timing limitation. Before 2000, most laptops used proprietary memory modules if their memory was upgradable. In the early 2010s, high end laptops such as

1825-429: Is no clear dividing line in minimum or maximum size. Machines small enough to be handheld (screens in the 6–8" range) can be marketed either as very small laptops or "handheld PCs", while the distinction between the largest laptops and "All-in-One" desktops is whether they fold for travel. Having a higher resolution display allows more items to fit onscreen at a time, improving the user's ability to multitask, although, at

1898-430: Is not unknown as of 2022, but since around 2010, the practice has been restricted to small-volume gaming models. Laptop CPUs are rarely able to be overclocked ; most use locked processors. Even on gaming models where unlocked processors are available, the cooling system in most laptops is often very close to its limits and there is rarely headroom for an overclocking–related operating temperature increase. On most laptops,

1971-407: Is unknown but ADD instructions are documented as taking 16μs, i.e. ~62k ADD/s. Laptop computer A laptop computer or notebook computer , also known as a laptop or notebook , is a small, portable personal computer (PC). Laptops typically have a clamshell form factor with a flat-panel screen on the inside of the upper lid and an alphanumeric keyboard and pointing device on

2044-576: The Socket G2 , but many laptops use processors that are soldered to the motherboard. Many laptops come with RAM and storage that is soldered to the motherboard and cannot be easily replaced. This restriction is one of the major differences between laptops and desktop computers, because the large " tower " cases used in desktop computers are designed so that new motherboards , hard disks , sound cards , RAM , and other components can be added. Memory and storage can often be upgraded with some disassembly, but with

2117-565: The flip form factor appeared in the early 1980s. The Dulmont Magnum was released in Australia in 1981–82, but was not marketed internationally until 1984–85. The US$ 8,150 (equivalent to $ 25,730 in 2023) GRiD Compass 1101 , released in 1982, was used at NASA and by the military , among others. The Sharp PC-5000 , the Ampere WS-1 , and Gavilan SC were released between 1983 and 1985. The Toshiba T1100 won acceptance by PC experts and

2190-496: The input/output components and capabilities of a desktop computer into a single unit, including a display screen (usually 11–17 in or 280–430 mm in diagonal size), small speakers, a keyboard, and a pointing device (namely compact ones such as touchpads or pointing sticks ). Hardware specifications may vary significantly between different types, models, and price points . Design elements, form factors, and construction can also vary significantly between models depending on

2263-525: The " Dynabook ". The IBM Special Computer APL Machine Portable (SCAMP) was demonstrated in 1973. This prototype was based on the IBM PALM processor . The IBM 5100 , the first commercially available portable computer , appeared in September 1975, and was based on the SCAMP prototype. As 8-bit CPU machines became widely accepted, the number of portables increased rapidly. The first "laptop-sized notebook computer"

HP Integral PC - Misplaced Pages Continue

2336-672: The "portable" Hyperion Computer System. Both Eagle Computer and Columbia were sued by IBM for copyright infringement of its BIOS. They settled and were forced to halt production. Neither the Columbia nor the Eagle were nearly as IBM PC DOS compatible as Compaq's offerings. The first full-color portable computer was the Commodore SX-64 in January 1984.. Originally announced in 1987, the Atari STacy

2409-450: The 1970s introduction of portable computers, their forms have changed significantly, spawning a variety of visually and technologically differing subclasses. Excepting distinct legal trademark around terms (notably Ultrabook ), hard distinctions between these classes were rare, and their usage has varied over time and between sources. Since the late 2010s, more specific terms have become less commonly used, with sizes distinguished largely by

2482-427: The 1980s using red plasma displays could only be used when connected to AC power, and had a built in power supply. The development of memory cards was driven in the 1980s by the need for a floppy-disk-drive alternative, having lower power consumption, less weight, and reduced volume in laptops. The Personal Computer Memory Card International Association (PCMCIA) was an industry association created in 1989 to promote

2555-509: The 2011 Samsung 700G7A have passed the 10 GB RAM barrier, featuring 16 GB of RAM. When upgradeable, memory slots are sometimes accessible from the bottom of the laptop for ease of upgrading; in other cases, accessing them requires significant disassembly. Most laptops have two memory slots, although some will have only one, either for cost savings or because some amount of memory is soldered. Some high-end models have four slots; these are usually mobile engineering workstations, although

2628-460: The 5100 supporting only BASIC, only APL, or both selectable by a physical switch on the front panel.) IBM referred to its PALM processor as a microprocessor , though they used that term to mean a processor that executes microcode to implement a higher-level instruction set , rather than its conventional definition of a complete processor on a single silicon integrated circuit ; the PALM processor

2701-534: The C shell), utilities, diagnostics and system programming resources. There was an add on ROM that provides HP-BASIC. Using the ROM, the Integral PC was ready to run BASIC simply by switching on the system. This computer hardware article is a stub . You can help Misplaced Pages by expanding it . Portable computer A portable computer is a computer designed to be easily moved from one place to another, as opposed to those designed to remain stationary at

2774-496: The GPU is integrated into the CPU to conserve power and space. This was introduced by Intel with the Core i-series of mobile processors in 2010, followed by similar AMD APU processors in January 2011. Before that, lower-end machines tended to use graphics processors integrated into the system chipset , while higher-end machines had a separate graphics processor. In the past, laptops lacking

2847-621: The MIT Digital Systems Laboratory as a thesis project, it never entered production. It is currently in the collection of Dr. Hoo-Min D. Toong. An early portable computer was manufactured in 1979 by GM Research, a small company in Santa Monica, California. The machine which was designed and patented by James Murez. It was called the Micro Star and later the name was changed to The Small One. Although Xerox claims to have designed

2920-470: The ability to conceal a hardware keyboard. Keyboards on such devices can be flipped, rotated, or slid behind the back of the chassis, thus transforming from a laptop into a tablet. Hybrids have a keyboard detachment mechanism, and due to this feature, all critical components are situated in the part with the display. 2-in-1s can have a hybrid or a convertible form, often dubbed 2-in-1 detachable and 2-in-1 convertibles respectively, but are distinguished by

2993-459: The ability to run a desktop OS , such as Windows 10 . 2-in-1s are often marketed as laptop replacement tablets . 2-in-1s are often very thin, around 10 millimetres (0.39 in), and light devices with a long battery life. 2-in-1s are distinguished from mainstream tablets as they feature an x86 -architecture CPU (typically a low- or ultra-low-voltage model), such as the Intel Core i5 , run

HP Integral PC - Misplaced Pages Continue

3066-537: The company advertised the Kaypro II as "the $ 1,595 computer that sells for $ 1,595 ", some noting that the included software bundle had a retail value over $ 1,000 by itself, and by mid-1983 the company was selling more than 10,000 units a month, briefly making it the fifth-largest computer maker in the world. It managed to correct most of the Osborne 1 's deficiencies: the screen was larger and showed more characters at once,

3139-581: The cost of physical space and portability. Higher-end laptops intended for gaming or professional 3D work still come with dedicated (and in some cases even dual) graphics processors on the motherboard or as an internal expansion card . Since 2011, these almost always involve switchable graphics so that when there is no demand for the higher performance dedicated graphics processor, the more power-efficient integrated graphics processor will be used. Nvidia Optimus and AMD Hybrid Graphics are examples of this sort of system of switchable graphics. Traditionally,

3212-465: The earliest attestation of laptop found by the Oxford English Dictionary dates to 1983. The word is modeled after the term desktop , as in desktop computer . Notebook , meanwhile, emerged earlier in 1982 to describe Epson 's HX-20 portable, whose dimensions roughly correspond to a letter -sized pad of paper . Notebooks emerged as their own separate market from laptops with

3285-417: The early 2010s. Optical disc drives became common in full-size laptops around 1997: initially, CD-ROM drives, supplanted by CD-R, then DVD, then Blu-ray drives with writing capability. Starting around 2011, the trend shifted against internal optical drives, and as of 2022, they have largely disappeared, though are still readily available as external peripherals . In 2021, Dell showed Concept Luna, which

3358-464: The first such system, the machine by Murez predated anything on the market or that had been documented in any publication at the time – hence the patent was issued. As early as 1979, the U.S. Government was contracting to purchase these machines. Other major customers included Sandia Labs, General Dynamics, BBN (featured on the cover of their annual report in 1980 as the C.A.T. system) and several dozen private individuals and companies around

3431-473: The floppy drives stored over twice as much data, the case was more attractive-looking, and it was also much better-built and more reliable. The Grid Compass ran its own operating system, GRiD-OS. Its specialized software and high price (US$ 8,000–10,000) meant that it was limited to specialized applications. The main buyer was the U.S. government. NASA used it on the Space Shuttle during the early 1980s, as it

3504-763: The higher resolutions on smaller screens, the resolution may only serve to display sharper graphics and text rather than increasing the usable area. Since the introduction of the MacBook Pro with Retina display in 2012, there has been an increase in the availability of "HiDPI" (or high Pixel density ) displays; as of 2022, this is generally considered to be anything higher than 1920 pixels wide. This has increasingly converged around 4K (3840-pixel-wide) resolutions. External displays can be connected to most laptops, with most models supporting at least one. The use of technology such as USB4 (section Alternate Mode partner specifications ). DisplayPort Alt Mode has been utilized to charge

3577-483: The inside of the lower lid. Most of the computer's internal hardware is fitted inside the lower lid enclosure under the keyboard, although many modern laptops have a built-in webcam at the top of the screen, and some even feature a touchscreen display. In most cases, unlike tablet computers which run on mobile operating systems , laptops tend to run on desktop operating systems, which were originally developed for desktop computers . The word laptop , modeled after

3650-644: The intended use. Examples of specialized models of laptops include 2-in-1 laptops , with keyboards that either be detached or pivoted out of view from the display (often marketed having a "laptop mode"); rugged laptops , for use in construction or military applications ; and low-production-cost laptops such as those from the One Laptop per Child (OLPC) organization, which incorporate features like solar charging and semi-flexible components not found on most laptop computers. Portable computers , which later developed into modern laptops, were originally considered to be

3723-464: The introduction of 3.5" drives in the late 1980s, and became common in laptops starting with the introduction of 2.5" and smaller drives around 1990; capacities have typically lagged behind those of physically larger desktop drives. Resolutions of laptop webcams are 720p (HD), or 480p in lower-end laptops. The earliest-known laptops with 1080p (Full HD) webcams, like the Samsung 700G7C, were released in

SECTION 50

#1732859534274

3796-500: The keyboard-interface, the "Human Interface Link" HP-HIL and the power supply can be checked and tested independently. The graphics processor of the Integral PC ( GPU ) was custom made and could drive an electroluminescence display or nearly every kind of monitor. The processor provides a graphical subsystem which is simple to use to drive a bitmapped display (32 KB display memory). The GPU is able to draw lines, rectangles and alphanumerical characters by hardware. Additionally it provides

3869-478: The low price and mainstream performance, there is no longer a significant performance difference between laptop and desktop CPUs, but at the high end, the fastest desktop CPUs still substantially outperform the fastest laptop processors, at the expense of massively higher power consumption and heat generation; the fastest laptop processors top out at 56 watts of heat, while the fastest desktop processors top out at 150 watts (and often need water cooling). There has been

3942-560: The mass market as a way to have PC portability. From 1983 onward, several new input techniques were developed and included in laptops, including the touch pad ( Gavilan SC , 1983), the pointing stick (IBM ThinkPad 700 , 1992), and handwriting recognition (Linus Write-Top, 1987). Some CPUs, such as the 1990 Intel i386SL , were designed to use minimum power to increase the battery life of portable computers and were supported by dynamic power management features such as Intel SpeedStep and AMD PowerNow! in some designs. Some laptops in

4015-406: The maximum performance of laptop parts compared to that of desktop components, although that difference has increasingly narrowed. In general, laptop components are not intended to be replaceable or upgradable by the end-user, except for components that can be detached; in the past, batteries and optical drives were commonly exchangeable. Some laptops feature socketed processors with sockets such as

4088-479: The most compact laptops, there may be no upgradeable components at all. The following sections summarize the differences and distinguishing features of laptop components in comparison to desktop personal computer parts. The typical laptop has a screen that, when unfolded, is upright to the user. Laptop screens most commonly employ liquid-crystal display (LCD) technology, although use of OLED panels has risen substantially since 2020. The display interfaces with

4161-921: The motherboard using the embedded DisplayPort protocol via the Low-voltage differential signaling (LVDS) 30 or 40 pin connector. The panels are mainly manufactured by AU Optronics , BOE Technology , LG Display or Samsung Display . Externally, it can be a glossy or a matte (anti-glare) screen. In the past, there was a broader range of marketing terms (both formal and informal) to distinguish between different sizes of laptops. These included Netbooks , subnotebooks , Ultra-mobile PC , and Desktop replacement computers ; these are sometimes still used informally, although they are essentially dead in terms of manufacturer marketing. As of 2021, mainstream consumer laptops tend to come with 11", 13" or 15"-16" screens; 14" models are more popular among business machines. Larger and smaller models are available, but less common – there

4234-428: The motherboard. Since 2015, Intel has not offered new laptop CPU models with pins to be interchangeable, preferring ball grid array chip packages which have to be soldered; and as of 2021, only a few rare models using desktop parts. In the past, some laptops have used a desktop processor instead of the laptop version and have had high-performance gains at the cost of greater weight, heat, and limited battery life; this

4307-474: The release of the NEC UltraLite in 1988. Notebooks and laptops continued to occupy distinct market segments into the mid-1990s, but ergonomic considerations and customer preference for larger screens soon led to notebooks converging with laptops in the late 1990s. Today, the terms laptop and notebook are synonymous, with laptop being the more common term in most English-speaking territories. Since

4380-432: The size of mainstream laptops has gone down and their capabilities have gone up; except for niche models, laptop sizes tend to be distinguished by the size of the screen, and for more powerful models, by any specialized purpose the machine is intended for, such as a " gaming laptop " or a " mobile workstation " for professional use. The latest trend of technological convergence in the portable computer industry spawned

4453-511: The size of the screen. There were in the past a number of marketing categories for smaller and larger laptop computers; these included "notebook" and " subnotebook " models, low cost " netbooks ", and " ultra-mobile PCs " where the size class overlapped with devices like smartphone and handheld tablets , and " Desktop replacement " laptops for machines notably larger and heavier than typical to operate more powerful processors or graphics hardware . All of these terms have fallen out of favor as

SECTION 60

#1732859534274

4526-418: The system RAM on laptops (as well as on desktop computers) was physically separate from the graphics memory used by the GPU. Apple's M series SoCs feature a unified pool of memory for both the system and the GPU; this approach can produce substantial efficiency gains for some applications but comes at the cost of eGPU support. Since around the year 2000, most laptops have used SO-DIMM slots in which RAM

4599-491: The term desktop (as in desktop computer ), refers to the fact that the computer can be practically placed on the user's lap ; while the word notebook refers to most laptops sharing a form factor with paper notebooks . As of 2024 , in American English , the terms laptop and notebook are used interchangeably; in other dialects of English , one or the other may be preferred. The term notebook originally referred to

4672-664: The world. In 1979, Adam Osborne viewed the machine along with several hundred other visitors at the first computer show that was sponsored by the IEEE Westec in Los Angeles. Later that year the machine was also shown at the first COMDEX show. The portable micro computer; the " Portal " of the French company R2E Micral CCMC officially appeared in September 1980 at the Sicob show in Paris. The Portal

4745-512: Was Prolog . A few hundred were sold between 1980 and 1983. The first mass-produced microprocessor-based portable computer released in 1981 was the Osborne 1 , developed by Osborne, which owed much to the NoteTaker's design. The company had early success with the design and went public but later due to small screen sizes and other devices being released found trouble selling the Osborne. The Osborne 1

4818-453: Was a large circuit board populated with over a dozen chips. In the late 1960s, such a machine would have been nearly as large as two desks and would have weighed about half a ton (0.45 t). In comparison, the IBM 5100 weighed about 53 pounds (24 kg and very portable for that time). The MIT Suitcase Computer, constructed in 1975, was the first known microprocessor-based portable computer. It

4891-409: Was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E Micral in 1980 at the request of the company CCMC specializing in payroll and accounting. The Portal was based on an intel 8085 processor, 8-bit, clocked at 2 MHz. It was equipped with a central 64 KB RAM, a keyboard with 58 alpha numeric keys and 11 numeric keys (separate blocks),

4964-454: Was based on the Motorola 6800 . Constructed in a Samsonite suitcase approximately 20 by 30 by 8 inches (510 mm × 760 mm × 200 mm) and weighing approximately 20 lb (9.1 kg), it had 4K of SRAM, a serial port to accept downloaded software and connect to a modem, a keyboard and a 40-column thermal printer taken from a cash register. Built by student David Emberson in

5037-525: Was based on the ideas of the de facto standard HP-85 . Within the Integral PC CPU, RAM, ROM, memory management, I/O buffering, system timing and keyboard interface are integrated on a single logic-board. All peripheral units and the 14 connections are built using independent boards. Each board is smaller than a letter sized sheet. To make it easier to check the boards, each board contains an own timer. The I/O-board (with two connections for optional addons),

5110-522: Was powerful, lightweight, and compact. The military Special Forces also purchased the machine, as it could be used by paratroopers in combat. Although Columbia Data Product 's MPC 1600, "Multi Personal Computer" came out in June 1983, one of the first extensively IBM PC compatible computers was the Compaq Portable . Eagle Computer then came out with their offering. and Corona Data Systems 's PPC-400.,

5183-903: Was released to the public in December 1989 and was one of the first laptop-like portables. Apple Inc. introduced and released the Macintosh Portable in 1989, though this device came with a battery, which added to its substantial weight. The Portable has features similar to the Atari STacy , include integrated trackball and clamshell case. After release of IBM PC Convertible in 1986, IBM still produced classic portable computers, include released in 1989 PS/2 P70 (with upgrade in 1990 to P75 ), and IBM produce portables for up to release of PS/2 Note and PS/55note notebook lines. In today's world of laptops, smart phones, and tablets, portable computers have evolved and are now mostly used for industrial, commercial or military applications. Clock speed

5256-798: Was the Epson HX-20 , invented (patented) by Suwa Seikosha 's Yukio Yokozawa in July 1980, introduced at the COMDEX computer show in Las Vegas by Japanese company Seiko Epson in 1981, and released in July 1982. It had an LCD screen, a rechargeable battery, and a calculator-size printer, in a 1.6 kg (3.5 lb) chassis, the size of an A4 notebook . It was described as a "laptop" and "notebook" computer in its patent. Both Tandy/RadioShack and Hewlett-Packard (HP) also produced portable computers of varying designs during this period. The first laptops using

5329-490: Was the first to emulate APL\1130 performance on a portable, single user computer, PC Magazine in 1983 designated SCAMP a "revolutionary concept" and "the world's first personal computer". The engineering prototype is in the Smithsonian Institution . Xerox NoteTaker , developed in 1976 at Xerox PARC , was a precursor to later portable computers from Osborne Computer Corporation and Compaq , though it remained

#273726