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95-466: Desktop publishing often requires the use of a personal computer and WYSIWYG page layout software to create documents for either large-scale publishing or small-scale local printing and distribution – although non-WYSIWYG systems such as TeX and LaTeX are also used, especially in scientific publishing . Originally, desktop publishing methods provided more control over design, layout, and typography than word processing software but

190-442: A TV set or an appropriately sized computer display , and is often used as a digital photo viewer, music and video player, TV receiver, and digital video recorder. HTPCs are also referred to as media center systems or media servers . The goal is to combine many or all components of a home theater setup into one box. HTPCs can also connect to services providing on-demand movies and TV shows. HTPCs can be purchased pre-configured with

285-401: A kit form and in limited volumes, and were of interest mostly to hobbyists and technicians. Minimal programming was done with toggle switches to enter instructions, and output was provided by front panel lamps. Practical use required adding peripherals such as keyboards, computer displays , disk drives , and printers . Micral N was the earliest commercial, non-kit microcomputer based on

380-507: A multitasking operating system . Eventually, due to the influence of the IBM PC on the personal computer market , personal computers and home computers lost any technical distinction. Business computers acquired color graphics capability and sound, and home computers and game systems users used the same processors and operating systems as office workers. Mass-market computers had graphics capabilities and memory comparable to dedicated workstations of

475-544: 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

570-469: A touchscreen display, which can be controlled using either a stylus pen or finger. Some tablets may use a hybrid or convertible design, offering a keyboard that can either be removed as an attachment, or a screen that can be rotated and folded directly over top the keyboard. Some tablets may use desktop-PC operating system such as Windows or Linux, or may run an operating system designed primarily for tablets. Many tablet computers have USB ports, to which

665-831: A 4096-color palette, stereo sound, Motorola 68000 CPU, 256 KB RAM, and 880 KB 3.5-inch disk drive, for US$ 1,295. IBM's first PC was introduced on 12 August 1981 setting what became a mass market standard for PC architecture. In 1982 The Computer was named Machine of the Year by Time magazine. Somewhat larger and more expensive systems were aimed at office and small business use. These often featured 80-column text displays but might not have had graphics or sound capabilities. These microprocessor-based systems were still less costly than time-shared mainframes or minicomputers. Workstations were characterized by high-performance processors and graphics displays, with large-capacity local disk storage, networking capability, and running under

760-502: A DTP program. However, many web designers still prefer to write HTML without the assistance of a WYSIWYG editor, for greater control and ability to fine-tune the appearance and functionality. Another reason that some Web designers write in HTML is that WYSIWYG editors often result in excessive lines of code, leading to code bloat that can make the pages hard to troubleshoot . Desktop publishing produces primarily static print or digital media ,

855-435: A Typewriter , and it had to actually explain how a Mac could do so much more than a typewriter. The ability to create WYSIWYG page layouts on screen and then print pages containing text and graphical elements at 300 dpi resolution was a major development for the personal computer industry. The ability to do all this with industry standards like PostScript also radically changed the traditional publishing industry, which at

950-425: A bad reputation as a result of untrained users who created poorly organized, unprofessional-looking " ransom note effect " layouts. (Similar criticism was leveled again against early World Wide Web publishers a decade later.) However, some desktop publishers who mastered the programs were able to achieve near professional results. Desktop publishing skills were considered of primary importance in career advancement in

1045-410: A computer that could fit on a desk was remarkably small, leading to the desktop nomenclature. More recently, the phrase usually indicates a particular style of computer case . Desktop computers come in a variety of styles ranging from large vertical tower cases to small models which can be tucked behind or rest directly beneath (and support) LCD monitors . While the term desktop often refers to

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1140-557: A computer with a vertically aligned computer tower case , these varieties often rest on the ground or underneath desks. Despite this seeming contradiction, the term desktop does typically refer to these vertical tower cases as well as the horizontally aligned models which are designed to literally rest on top of desks and are therefore more appropriate to the desktop term, although both types qualify for this desktop label in most practical situations aside from certain physical arrangement differences. Both styles of these computer cases hold

1235-506: A desk, including a keyboard, a small one-line display, and printer. The Wang 2200 microcomputer of 1973 had a full-size cathode ray tube (CRT) and cassette tape storage. These were generally expensive specialized computers sold for business or scientific uses. 1974 saw the introduction of what is considered by many to be the first true personal computer, the Altair 8800 created by Micro Instrumentation and Telemetry Systems (MITS) . Based on

1330-415: A few years before. Even local area networking, originally a way to allow business computers to share expensive mass storage and peripherals, became a standard feature of personal computers used at home. An increasingly important set of uses for personal computers relied on the ability of the computer to communicate with other computer systems, allowing interchange of information. Experimental public access to

1425-432: A graphics card installed. For this reason, desktop computers are usually preferred over laptops for gaming purposes. Unlike desktop computers, only minor internal upgrades (such as memory and hard disk drive) are feasible owing to the limited space and power available. Laptops have the same input and output ports as desktops, for connecting to external displays, mice, cameras, storage devices and keyboards. Laptops are also

1520-591: A hardware specification called Handheld PC was later released by Microsoft that run the Windows CE operating system. Letter spacing Letter spacing , character spacing or tracking is an optically consistent typographical adjustment to the space between letters to change the visual density of a line or block of text. Letter spacing is distinct from kerning , which adjusts the spacing of particular pairs of adjacent characters such as "7." which would appear to be badly spaced if left unadjusted, and leading ,

1615-484: A hinged second panel containing a flat display screen. Closing the laptop protects the screen and keyboard during transportation. Laptops generally have a rechargeable battery , enhancing their portability. To save power, weight and space, laptop graphics chips are in many cases integrated into the CPU or chipset and use system RAM, resulting in reduced graphics performance when compared to desktop machines, that more typically have

1710-408: A keyboard or mouse can be connected. Smartphones are often similar to tablet computers , the difference being that smartphones always have cellular integration. They are generally smaller than tablets, and may not have a slate form factor. The ultra-mobile PC (UMPC) is a small tablet computer . It was developed by Microsoft , Intel and Samsung , among others. Current UMPCs typically feature

1805-530: A larger screen or use with video projectors. IBM PC-compatible suitcase format computers became available soon after the introduction of the PC, with the Compaq Portable being a leading example of the type. Later models included a hard drive to give roughly equivalent performance to contemporary desktop computers. The development of thin plasma display and LCD screens permitted a somewhat smaller form factor, called

1900-459: A little more expensive compared to desktops, as the miniaturized components for laptops themselves are expensive. Notebook computers such as the TRS-80 Model 100 and Epson HX-20 had roughly the plan dimensions of a sheet of typing paper ( ANSI A or ISO A4 ). These machines had a keyboard with slightly reduced dimensions compared to a desktop system, and a fixed LCD display screen coplanar with

1995-474: A local printer, then print the same file at DTP service bureaus using optical resolution 600+ ppi PostScript printers such as those from Linotronic . Later, the Macintosh II was released, which was considerably more suitable for desktop publishing due to its greater expandability, support for large color multi-monitor displays, and its SCSI storage interface (which allowed hard drives to be attached to

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2090-708: A microprocessor, the Intel 8008 . It was built starting in 1972, and a few hundred units were sold. This had been preceded by the Datapoint 2200 in 1970, for which the Intel 8008 had been commissioned, though not accepted for use. The CPU design implemented in the Datapoint 2200 became the basis for x86 architecture used in the original IBM PC and its descendants. In 1973, the IBM Los Gatos Scientific Center developed

2185-481: A new naming scheme: devices without an integrated phone are called Windows Mobile Classic instead of Pocket PC, while devices with an integrated phone and a touch screen are called Windows Mobile Professional. Palmtop PCs were miniature pocket-sized computers running DOS that first came about in the late 1980s, typically in a clamshell form factor with a keyboard. Non-x86 based devices were often called palmtop computers, examples being Psion Series 3 . In later years

2280-426: A parameter designating the way text flows around the object (also known as "wraparound" or "runaround"). As desktop publishing software still provides extensive features necessary for print publishing, modern word processors now have publishing capabilities beyond those of many older DTP applications, blurring the line between word processing and desktop publishing. In the early 1980s, the graphical user interface

2375-413: A perception of smallness. Letter spacing adjustments are frequently employed in news design . Due to deadlines, news editors do not usually have time to rewrite paragraphs that end in split words or create widows or orphans . Discussing Comic Sans , some researchers, including Sue Walker, Jenny Thomson, and John Stein , posit that the typeface's wide spacing, rather than the shape of its characters,

2470-406: A preview of features that would later become staples of personal computers: e-mail , hypertext , word processing , video conferencing , and the mouse . The demonstration required technical support staff and a mainframe time-sharing computer that were far too costly for individual business use at the time. Early personal computers‍—‌generally called microcomputers‍—‌were often sold in

2565-446: A printable area if bleed printing is not possible as is the case with most desktop printers . A web page is an example of a digital page that is not constrained by virtual paper parameters. Most digital pages may be dynamically re-sized, causing either the content to scale in size with the page or the content to re-flow . Master pages are templates used to automatically copy or link elements and graphic design styles to some or all

2660-600: A shared mainframe computer system was demonstrated as early as 1973 in the Community Memory project, but bulletin board systems and online service providers became more commonly available after 1978. Commercial Internet service providers emerged in the late 1980s, giving public access to the rapidly growing network. In 1991, the World Wide Web was made available for public use. The combination of powerful personal computers with high-resolution graphics and sound, with

2755-471: A software which separates itself from the TeX world and develops itself in the direction of WYSIWYG markup-based typesetting is GNU TeXmacs . On a different note, there is a slight overlap between desktop publishing and what is known as hypermedia publishing (e.g. web design , kiosk, CD-ROM ). Many graphical HTML editors such as Microsoft FrontPage and Adobe Dreamweaver use a layout engine similar to that of

2850-640: A television already in the home as the computer display, with low-detail blocky graphics and a limited color range, and text about 40 characters wide by 25 characters tall. Sinclair Research , a UK company, produced the ZX Series‍—;‌the ZX80 (1980), ZX81 (1981), and the ZX Spectrum ; the latter was introduced in 1982, and totaled 8 million unit sold. Following came the Commodore 64 , totaled 17 million units sold,

2945-406: A time, they are commonly connected to a local area network and run multi-user operating systems . Workstations are used for tasks such as computer-aided design , drafting and modeling, computation-intensive scientific and engineering calculations, image processing, architectural modeling, and computer graphics for animation and motion picture visual effects. Before the widespread use of PCs,

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3040-495: A visually pleasing result can be achieved with some control of the space between letters. With CSS1 , a standard of 1996, the letter-spacing property (illustrated) offers some control for "kerning perception", as kerning can be simulated with non-uniform spacing between letters. The CSS3 standard includes the font-kerning property. In the meantime, web designers used the workaround of letter-spacing , mainly to enhance spaced texts of titles and banners . Adjusting

3135-584: A wide range of users, not just experienced electronics hobbyists who had the soldering skills to assemble a computer kit. The Apple I as delivered was still technically a kit computer, as it did not have a power supply, case, or keyboard when it was delivered to the Byte Shop. The first successfully mass-marketed personal computer to be announced was the Commodore PET after being revealed in January 1977. However, it

3230-542: Is a desktop computer that generally comprises a high-performance video card , processor and RAM, to improve the speed and responsiveness of demanding video games . An all-in-one computer (also known as single-unit PCs) is a desktop computer that combines the monitor and processor within a single unit. A separate keyboard and mouse are standard input devices, with some monitors including touchscreen capability. The processor and other working components are typically reduced in size relative to standard desktops, located behind

3325-495: Is a portable computer that provides the full capabilities of a desktop computer . Such computers are currently large laptops. This class of computers usually includes more powerful components and a larger display than generally found in smaller portable computers, and may have limited battery capacity or no battery. Netbooks , also called mini notebooks or subnotebooks , were a subgroup of laptops suited for general computing tasks and accessing web-based applications . Initially,

3420-407: Is barely noticeable. Letter spacing may also refer to the insertion of fixed spaces, as was commonly done in hand-set metal type to achieve letter spacing. Fixed spaces vary by size and include hair spaces, thin spaces, word spaces, en-spaces, and em-spaces. An en-space is equal to half the current point size, and an em-space is the same width as the current point size. Even with no kerning control,

3515-422: Is important. In the 2010s, interactive front-end components of TeX, such as TeXworks and LyX , have produced "what you see is what you mean" ( WYSIWYM ) hybrids of DTP and batch processing. These hybrids are focused more on the semantics than the traditional DTP. Furthermore, with the advent of TeX editors the line between desktop publishing and markup-based typesetting is becoming increasingly narrow as well;

3610-466: Is most often proprietary, or free and open-source software , which is provided in ready-to-run , or binary form. Software for personal computers is typically developed and distributed independently from the hardware or operating system manufacturers. Many personal computer users no longer need to write their programs to make any use of a personal computer, although end-user programming is still feasible. This contrasts with mobile systems, where software

3705-400: Is often available only through a manufacturer-supported channel, and end-user program development may be discouraged by lack of support by the manufacturer. Since the early 1990s, Microsoft operating systems (first with MS-DOS and then with Windows ) and Intel hardware – collectively called Wintel – have dominated the personal computer market, and today the term PC normally refers to

3800-590: Is that DTP software is generally interactive and "What you see [onscreen] is what you get" ( WYSIWYG ) in design, while other digital typesetting software, such as TeX, LaTeX and other variants, tend to operate in " batch mode ", requiring the user to enter the processing program's markup language (e.g. HTML ) without immediate visualization of the finished product. This kind of workflow is less user-friendly than WYSIWYG, but more suitable for conference proceedings and scholarly articles as well as corporate newsletters or other applications where consistent, automated layout

3895-442: Is typically used for tasks such as word processing , internet browsing , email , multimedia playback, and gaming . Personal computers are intended to be operated directly by an end user , rather than by a computer expert or technician . Unlike large, costly minicomputers and mainframes , time-sharing by many people at the same time is not used with personal computers. The term home computer has also been used, primarily in

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3990-527: The Apple I computer circuit board, which was fully prepared and contained about 30 chips. The Apple I computer differed from the other kit-style hobby computers of era. At the request of Paul Terrell , owner of the Byte Shop , Jobs and Wozniak were given their first purchase order, for 50 Apple I computers, only if the computers were assembled and tested and not a kit computer. Terrell wanted to have computers to sell to

4085-578: The Bendix G15 and LGP-30 of 1956, and the Soviet MIR series of computers developed from 1965 to 1969. By the early 1970s, people in academic or research institutions had the opportunity for single-person use of a computer system in interactive mode for extended durations, although these systems would still have been too expensive to be owned by a single person. The personal computer was made possible by major advances in semiconductor technology. In 1959,

4180-634: The Galaksija (1983) introduced in Yugoslavia and the Amstrad CPC series (464–6128). In the same year, the NEC PC-98 was introduced, which was a very popular personal computer that sold in more than 18 million units. Another famous personal computer, the revolutionary Amiga 1000 , was unveiled by Commodore on 23 July 1985. The Amiga 1000 featured a multitasking, windowing operating system, color graphics with

4275-615: The IBM Personal Computer incorporated the designation into its model name, the term originally described personal computers of any brand. In some contexts, PC is used to contrast with Mac, an Apple Macintosh computer. Since none of these Apple products were mainframes or time-sharing systems, they were all personal computers but not PC (brand) computers. In 1995, a CBS segment on the growing popularity of PC reported: "For many newcomers PC stands for Pain and Confusion." The "brain" [computer] may one day come down to our level [of

4370-575: The Monotype System , letter spacing had to be uniform. In modern digital page-layout software, high-end applications all use relative measurements proportional to the size of the type. QuarkXPress uses units of 1/200 of an em , and Adobe InDesign uses 1/1000 of an em. Therefore, in QuarkXPress, a tracking setting of 3 reduces the visual density of the text noticeably, but in InDesign a tracking setting of 3

4465-403: The fonts available on the user's web browser or display device. A wide variety of DTP applications and websites are available and are listed separately. The design industry standard is PDF . The older EPS format is also used and supported by most applications. Personal computer A personal computer , often referred to as a PC , is a computer designed for individual use. It

4560-405: The lunchbox computer. The screen formed one side of the enclosure, with a detachable keyboard and one or two half-height floppy disk drives, mounted facing the ends of the computer. Some variations included a battery, allowing operation away from AC outlets. A laptop computer is designed for portability with clamshell design, where the keyboard and computer components are on one panel, with

4655-460: The silicon integrated circuit (IC) chip was developed by Robert Noyce at Fairchild Semiconductor , and the metal–oxide–semiconductor (MOS) transistor was developed by Mohamed Atalla and Dawon Kahng at Bell Labs . The MOS integrated circuit was commercialized by RCA in 1964, and then the silicon-gate MOS integrated circuit was developed by Federico Faggin at Fairchild in 1968. Faggin later used silicon-gate MOS technology to develop

4750-639: The "1977 trinity". Mass-market, ready-assembled computers had arrived, and allowed a wider range of people to use computers, focusing more on software applications and less on development of the processor hardware. In 1977 the Heath company introduced personal computer kits known as Heathkits , starting with the Heathkit H8 , followed by the Heathkit H89 in late 1979. With the purchase of the Heathkit H8 you would obtain

4845-662: The 1980s, but increased accessibility to more user-friendly DTP software has made DTP a secondary skill to art direction , graphic design , multimedia development, marketing communications , and administrative careers . DTP skill levels range from what may be learned in a couple of hours (e.g., learning how to put clip art in a word processor), to what's typically required in a college education. The discipline of DTP skills range from technical skills such as prepress production and programming, to creative skills such as communication design and graphic image development . As of 2014, Apple computers remain dominant in publishing, even as

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4940-458: The 2010s, vendors have sought to provide users with a single application that can meet almost all their publication needs. In earlier modern-day usage, DTP usually did not include digital tools such as TeX or troff , though both can easily be used on a modern desktop system, and are standard with many Unix-like operating systems and are readily available for other systems. The key difference between digital typesetting software and DTP software

5035-547: The 8-bit Intel 8080 Microprocessor, the Altair is widely recognized as the spark that ignited the microcomputer revolution as the first commercially successful personal computer. The computer bus designed for the Altair was to become a de facto standard in the form of the S-100 bus , and the first programming language for the machine was Microsoft's founding product, Altair BASIC . In 1976, Steve Jobs and Steve Wozniak sold

5130-533: The Windows XP, Windows Vista, Windows 7, or Linux operating system , and low-voltage Intel Atom or VIA C7-M processors. A pocket PC is a hardware specification for a handheld-sized computer ( personal digital assistant , PDA) that runs the Microsoft Windows Mobile operating system . It may have the capability to run an alternative operating system like NetBSD or Linux . Pocket PCs have many of

5225-469: The ability to be programmed in both APL and BASIC for engineers, analysts, statisticians, and other business problem-solvers. In the late 1960s such a machine would have been nearly as large as two desks and would have weighed about half a ton. Another desktop portable APL machine, the MCM/70 , was demonstrated in 1973 and shipped in 1974. It used the Intel 8008 processor. A seminal step in personal computing

5320-468: The capabilities of desktop PCs . Numerous applications are available for handhelds adhering to the Microsoft Pocket PC specification, many of which are freeware . Microsoft-compliant Pocket PCs can also be used with many other add-ons like GPS receivers , barcode readers, RFID readers and cameras. In 2007, with the release of Windows Mobile 6, Microsoft dropped the name Pocket PC in favor of

5415-573: The chassis and CPU card to assemble yourself, additional hardware such as the H8-1 memory board that contained 4k of RAM could also be purchased in order to run software. The Heathkit H11 model was released in 1978 and was one of the first 16-bit personal computers; however, due to its high retail cost of $ 1,295 was discontinued in 1982. During the early 1980s, home computers were further developed for household use, with software for personal productivity, programming and games. They typically could be used with

5510-673: The common people] and help with our income-tax and book-keeping calculations. But this is speculation and there is no sign of it so far. In the history of computing , early experimental machines could be operated by a single attendant. For example, ENIAC which became operational in 1946 could be run by a single, albeit highly trained, person. This mode pre-dated the batch programming, or time-sharing modes with multiple users connected through terminals to mainframe computers. Computers intended for laboratory, instrumentation, or engineering purposes were built, and could be operated by one person in an interactive fashion. Examples include such systems as

5605-435: The composition and editing of purely textual documents. Word did not begin to acquire desktop publishing features until a decade later, and by 2003, it was regarded only as "good" and not "great" at desktop publishing tasks. The term "desktop publishing" is attributed to Aldus founder Paul Brainerd , who sought a marketing catchphrase to describe the small size and relative affordability of this suite of products, in contrast to

5700-628: The cost, letter spacing was used in print advertising, book publishing, and custom printing (such as high-end stationery, business cards, wedding invitations, and such). It was also used for very short phrases set in all caps or small caps to prevent the phrases from appearing too dark compared to the rest of the page. Increased letter-spacing has sometimes been used for emphasis , most often in blackletter typesetting and in typewriter manuscripts, where alternative emphatics like italic or bold fonts are less available. In German-language contexts, where blackletter typefaces survived longer than elsewhere,

5795-690: The creation of manuals and other long-format documents. Desktop publishing moved into the home market in 1986 with Professional Page for the Amiga , Publishing Partner (now PageStream) for the Atari ST , GST's Timeworks Publisher on the PC and Atari ST, and Calamus for the Atari TT030 . Software was published even for 8-bit computers like the Apple II and Commodore 64 : Home Publisher, The Newsroom, and geoPublish . During its early years, desktop publishing acquired

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5890-468: The days of hot metal typesetting , letter spacing required adding horizontal space between letters of words set in metal type in increments of a minimum of a half-point. Some publishers and typesetters avoided letter spacing because it was costly in materials and labor. Letter spacing required hand insertion of copper (a half-point), brass (one point), and printer's "lead" (two points) spaces between individual pieces of type or between matrices . Despite

5985-468: The default letter spacing at zero and instead use the character widths and kerning information built into the font itself. Although digital type sets tighter than metal type on average, this results primarily from the availability of kerning. Digital type does allow for negative sidebearings, which were uncommon in metal type because of the difficulty in cutting a " kern ". In the days of machine-implemented lead typesetting, such as Linotype machines and

6080-400: The expensive commercial phototypesetting equipment of the day. Before the advent of desktop publishing, the only option available to most people for producing typed documents (as opposed to handwritten documents) was a typewriter , which offered only a handful of typefaces (usually fixed-width) and one or two font sizes. Indeed, one popular desktop publishing book was titled The Mac is Not

6175-475: The first single-chip microprocessor , the Intel 4004 , in 1971. The first microcomputers , based on microprocessors, were developed during the early 1970s. Widespread commercial availability of microprocessors, from the mid-1970s onwards, made computers cheap enough for small businesses and individuals to own. In what was later to be called the Mother of All Demos , SRI researcher Douglas Engelbart in 1968 gave

6270-439: The focus of this article. Similar skills, processes, and terminology are used in web design . Digital typography is the specialization of typography for desktop publishing. Web typography addresses typography and the use of fonts on the World Wide Web . Desktop style sheets apply formatting for print, Web Cascading Style Sheets (CSS) provide format control for web display. Web HTML font families map website font usage to

6365-591: The inability to control letter spacing , kerning , and other typographic features , and the discrepancies between screen display and printed output. However, it was an unheard-of combination at the time, and was received with considerable acclaim. Behind the scenes, technologies developed by Adobe Systems set the foundation for professional desktop publishing applications. The LaserWriter and LaserWriter Plus printers included scalable Adobe PostScript fonts built into their ROM memory. The LaserWriter's PostScript capability allowed publication designers to proof files on

6460-548: The infrastructure provided by the Internet, and the standardization of access methods of the Web browsers , established the foundation for a significant fraction of modern life, from bus time tables through unlimited distribution of free videos through to online user-edited encyclopedias. A workstation is a high-end personal computer designed for technical, mathematical, or scientific applications. Intended primarily to be used by one person at

6555-604: The introduction of TeX , and was extended in 1985 with the introduction of LaTeX . The desktop publishing market took off in 1985 with the introduction in January of the Apple LaserWriter laser printer for the year-old Apple Macintosh personal computer. This momentum was kept up with the release that July of PageMaker software from Aldus , which rapidly became the standard software application for desktop publishing. With its advanced layout features, PageMaker immediately relegated word processors like Microsoft Word to

6650-507: The introduction of the IBM PC, portable computers consisting of a processor, display, disk drives and keyboard, in a suit-case style portable housing, allowed users to bring a computer home from the office or to take notes at a classroom. Examples include the Osborne 1 and Kaypro ; and the Commodore SX-64 . These machines were AC-powered and included a small CRT display screen. The form factor

6745-549: The keyboard. These displays were usually small, with 8 to 16 lines of text, sometimes only 40 columns line length. However, these machines could operate for extended times on disposable or rechargeable batteries. Although they did not usually include internal disk drives, this form factor often included a modem for telephone communication and often had provisions for external cassette or disk storage. Later, clamshell format laptop computers with similar small plan dimensions were also called notebooks . A desktop replacement computer

6840-432: The late 1970s and 1980s. The advent of personal computers and the concurrent Digital Revolution have significantly affected the lives of people. Institutional or corporate computer owners in the 1960s had to write their own programs to do any useful work with computers. While personal computer users may develop their applications, usually these systems run commercial software , free-of-charge software (" freeware "), which

6935-454: The latter has evolved to include most, if not all, capabilities previously available only with dedicated desktop publishing software. The same DTP skills and software used for common paper and book publishing are sometimes used to create graphics for point of sale displays , presentations , infographics , brochures , business cards , promotional items , trade show exhibits , retail package designs and outdoor signs . Desktop publishing

7030-517: The layout, placed, or – with database publishing applications – linked to an external source of text which allows multiple editors to develop a document at the same time. Graphic design styles such as color, transparency and filters may also be applied to layout elements. Typography styles may be applied to text automatically with style sheets . Some layout programs include style sheets for images in addition to text. Graphic styles for images may include border shapes, colors, transparency, filters, and

7125-429: The letter spacing of a given text has been shown to affect reading speed and accuracy. A wide body of research suggests that text with wider letter spacing, as well as wider line and word spacing , leads to increased reading comprehension among both dyslexic and non-dyslexic children. Contrarily, tighter spacing is thought to decrease comprehension among such population subgroups, and is accompanied by crowding and

7220-450: The monitor, and configured similarly to laptops. A nettop computer was introduced by Intel in February 2008, characterized by low cost and lean functionality. These were intended to be used with an Internet connection to run Web browsers and Internet applications. A Home theater PC (HTPC) combines the functions of a personal computer and a digital video recorder . It is connected to

7315-772: The most popular software has changed from QuarkXPress – an estimated 95% market share in the 1990s – to Adobe InDesign . An Ars Technica writer said in an article: "I've heard about Windows-based publishing environments, but I've never actually seen one in my 20+ years in design and publishing". There are two types of pages in desktop publishing: digital pages and virtual paper pages to be printed on physical paper pages . All computerized documents are technically digital, which are limited in size only by computer memory or computer data storage space. Virtual paper pages will ultimately be printed , and will therefore require paper parameters coinciding with standard physical paper sizes such as A4, letterpaper and legalpaper. Alternatively,

7410-401: The pages of a multipage document. Linked elements can be modified without having to change each instance of an element on pages that use the same element. Master pages can also be used to apply graphic design styles to automatic page numbering. Cascading Style Sheets can provide the same global formatting functions for web pages that master pages provide for virtual paper pages. Page layout is

7505-607: The practice (called sperren ) is not quite extinct. Printer and type designer Frederic Goudy stated that "Men who would letterspace blackletter would steal sheep." Goudy's statement inspired the title of the book Stop Stealing Sheep , an introduction to typography. Word processing and desktop publishing programs for personal computers, such as LibreOffice Writer , Microsoft Word , Microsoft Publisher , WordPerfect , QuarkXPress , Adobe InDesign , Adobe FrameMaker , Adobe Illustrator , and Adobe Photoshop , use differing methods of adjusting letter spacing. Most systems have

7600-503: The primary defining characteristic of netbooks was the lack of an optical disc drive, smaller size, and lower performance than full-size laptops. By mid-2009 netbooks had been offered to users "free of charge", with an extended service contract purchase of a cellular data plan. Ultrabooks and Chromebooks have since filled the gap left by Netbooks. Unlike the generic Netbook name, Ultrabook and Chromebook are technically both specifications by Intel and Google respectively. A tablet uses

7695-463: The process by which the elements are laid on the page orderly, aesthetically and precisely. The main types of components to be laid out on a page include text , linked images (that can only be modified as an external source), and embedded images (that may be modified with the layout application software). Some embedded images are rendered in the application software, while others can be placed from an external source image file. Text may be keyed into

7790-443: The required hardware and software needed to add television programming to the PC, or can be assembled from components. Keyboard computers are computers inside of keyboards, generally still designed to be connected to an external computer monitor or television . Examples include the Atari ST , Amstrad CPC , BBC Micro , Commodore 64 , MSX , Raspberry Pi 400 , and the ZX Spectrum . The potential utility of portable computers

7885-491: The spacing between lines. Historically, with metal type, a kern meant having a letter stick out beyond the metal slug to which it was attached, or having part of the body of the slug cut off to allow letters to overlap. A kern could therefore only bring letters closer together (negative spacing). Digital kerning could go in either direction. Tracking can similarly go in either direction, but with metal type, one could make groups of letters only farther apart (positive spacing). In

7980-489: The system). Macintosh-based systems continued to dominate the market into 1986, when the GEM -based Ventura Publisher was introduced for MS-DOS computers. PageMaker's pasteboard metaphor closely simulated the process of creating layouts manually, but Ventura Publisher automated the layout process through its use of tags and style sheets and automatically generated indices and other body matter. This made it particularly suitable for

8075-418: The systems hardware components such as the motherboard , processor chip and other internal operating parts. Desktop computers have an external monitor with a display screen and an external keyboard, which are plugged into ports on the back of the computer case. Desktop computers are popular for home and business computing applications as they leave space on the desk for multiple monitors . A gaming computer

8170-601: The time was accustomed to buying end-to-end turnkey solutions for digital typesetting which came with their own proprietary hardware workstations. Newspapers and other print publications began to transition to DTP-based programs from older layout systems such as Atex and other programs in the early 1980s. Desktop publishing was still in its early stage in the early 1980s. Users of the PageMaker/LaserWriter/Macintosh 512K system endured frequent software crashes, Mac's low-resolution 512x342 1-bit monochrome screen,

8265-514: The ubiquitous Wintel platform. Alternatives to Windows occupy a minority share of the market; these include the Mac platform from Apple (running the macOS operating system), and free and open-source , Unix-like operating systems, such as Linux . Other notable platforms until the 1990s were the Amiga from Commodore , and the PC-98 from NEC . The term PC is an initialism for personal computer. While

8360-457: The virtual paper page may require a custom size for later trimming. Some desktop publishing programs allow custom sizes designated for large format printing used in posters , billboards and trade show displays . A virtual page for printing has a predesignated size of virtual printing material and can be viewed on a monitor in WYSIWYG format. Each page for printing has trim sizes (edge of paper) and

8455-500: Was apparent early on. Alan Kay described the Dynabook in 1972, but no hardware was developed. The Xerox NoteTaker was produced in a very small experimental batch around 1978. In 1975, the IBM 5100 could be fit into a transport case, making it a portable computer, but it weighed about 50 pounds. Such early portable computers were termed luggables by journalists owing to their heft. Before

8550-631: Was back-ordered and not available until later that year. Three months later (April), the Apple II (usually referred to as the Apple) was announced with the first units being shipped 10 June 1977, and the TRS-80 from Tandy Corporation / Tandy Radio Shack following in August 1977, which sold over 100,000 units during its lifetime. Together, especially in the North American market, these 3 machines were referred to as

8645-489: Was first developed at Xerox PARC in the 1970s. A contradictory claim states that desktop publishing began in 1983 with a program developed by James Davise at a community newspaper in Philadelphia. The program Type Processor One ran on a PC using a graphics card for a WYSIWYG display and was offered commercially by Best Info in 1984. Desktop typesetting with only limited page makeup facilities arrived in 1978–1979 with

8740-401: Was intended to allow these systems to be taken on board an airplane as carry-on baggage, though their high power demand meant that they could not be used in flight. The integrated CRT display made for a relatively heavy package, but these machines were more portable than their contemporary desktop equals. Some models had standard or optional connections to drive an external video monitor, allowing

8835-560: Was still in its embryonic stage and DTP software was in a class of its own when compared to the leading word processing applications of the time. Programs such as WordPerfect and WordStar were still mainly text-based and offered little in the way of page layout, other than perhaps margins and line spacing. On the other hand, word processing software was necessary for features like indexing and spell checking – features that are common in many applications today. As computers and operating systems became more powerful, versatile, and user-friendly in

8930-453: Was the 1973 Xerox Alto , developed at Xerox 's Palo Alto Research Center (PARC) . It had a graphical user interface ( GUI ) which later served as inspiration for Apple's Macintosh , and Microsoft's Windows operating system. The Alto was a demonstration project, not commercialized, as the parts were too expensive to be affordable. Also in 1973 Hewlett Packard introduced fully BASIC programmable microcomputers that fit entirely on top of

9025-490: 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". This seminal, single user portable computer now resides in the Smithsonian Institution , Washington, D.C.. Successful demonstrations of the 1973 SCAMP prototype led to the IBM 5100 portable microcomputer launched in 1975 with

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