Struggling in the aftermath of the dot-com bubble bust, Compaq was acquired for US $ 25 billion by HP in 2002.

The Compaq brand remained used by HP for lower-end systems.

Compaq shelved the idea of cloning MCA and formed an alliance with HP and seven others to develop EISA.

The expected layoffs at Compaq and HP, 8500 and 9000 jobs, respectively, would leave the combined company with a workforce of 145, 000.

While Compaq shareholders unanimously approved the deal, there was a public proxy battle within HP as the deal was strongly opposed by numerous large HP shareholders, including the sons of the company founders, Walter Hewlett and David W. Packard, as well as the California Public Employees ’ Retirement System ( Calpers ) and the Ontario Teachers Pension Plan.

Detractors of the deal noted that buying Compaq was a " distraction " that would not directly help HP take on IBM's breadth or Dell Computer's direct sales model.

Plus there were significant cultural differences between HP and Compaq ; which made decisions by consensus and rapid autocratic styles, respectively.

HP laid off thousands of former Compaq, DEC, HP, and Tandem employees, its stock price generally declined and profits did not perk up.

Several senior executives from the Compaq side including Jeff Clarke and Peter Blackmore would resign or be ousted from the post-merger HP.

Overall, it has been suggested that the purchase of Compaq was not a good move for HP, due to the narrow profit margins in the commoditized PC business, especially in light of IBM's 2005 announcement to sell its PC division to Lenovo.

Former Compaq CEO Capellas was mentioned by some as a potential successor, but several months afterwards, Mark Hurd was hired as President and CEO of HP.

Most Compaq products have been re-branded with the HP nameplate, such as the company's market leading ProLiant server line, while the Compaq brand remains on only some consumer-oriented and budget products, notably Compaq Presario PCs.

HP's business computers line was discontinued in favour of the Compaq Evo line, which was rebranded HP Compaq.

HP's Jornada PDAs were replaced by Compaq iPAQ PDAs, which were renamed HP iPAQ.

All Compaq computers now ship with HP software.

In May 2007, HP announced in a press release a new logo for their Compaq Division to be placed on the new model Compaq Presarios.

The " Compaq " name from its " HP Compaq " series was originally used for all of HP's business and budget notebooks.

) The HP 21MX real-time computer ( 1974 ) denoted ( which is 192 × 1024 ) as 196K and as 1M,

while the HP 3000 business computer ( 1973 ) could have 64K, 96K, or 128K bytes of memory.

In 2010, the last Compaq Presario branded laptop was produced at an HP computer assembly facility in China.

Since then, the Presario was rebranded under HP's laptop computer line as the HP 2000 series.

During its existence as a division of HP, Compaq primarily competed against other budget-oriented personal computer series from manufacturers including Acer, Lenovo, and Toshiba.

Desktop sized programmable calculators by Hewlett Packard had evolved into the HP 9830 BASIC language computer by 1972, with IBM's releasing its own IBM 5100 in 1975.

Few personal computers used the 80186, with some notable exceptions: the Australian Dulmont Magnum laptop, one of the first laptops ; the Wang Office Assistant, marketed as a PC-like stand-alone word processor ; the Mindset ; the Siemens PC-D ( not 100 % IBM PC-compatible but using MS-DOS 2. 11: de: Siemens PC-D ); the Compis ( a Swedish school computer ); the RM Nimbus ( a British school computer ); the Unisys ICON ( a Canadian school computer ); ORB Computer by ABS ; the HP 100LX, HP 200LX, HP 1000CX and HP OmniGo 700LX ; the Tandy 2000 desktop ( a somewhat PC-compatible workstation with sharp graphics for its day ); the Philips: YES ; the Nokia MikroMikko 2.

In 1989, HP determined that reduced instruction set computer ( RISC ) architectures were approaching a processing limit at one instruction per cycle.

During development, Intel, HP, and industry analysts predicted that IA-64 would dominate in servers, workstations, and high-end desktops, and eventually supplant RISC and complex instruction set computer ( CISC ) architectures for all general-purpose applications.

* The HP 21MX real-time computer ( 1974 ) denoted 196, 608 ( which is 192 × 1024 ) as " 196K ", while the HP 3000 business computer ( 1973 ) denoted 131, 072 ( which is 128 × 1024 ) as " 128K ".

* HP Deskjet Marks 20 Years as World ’ s Best-selling Printer

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HP LaserJet 4200 series printer, installed atop high-capacity paper feeder

After personal computers became more widespread, the first laser printer intended for a mass market was the HP LaserJet 8ppm, released in 1984, using a Canon engine controlled by HP software.

The HP LaserJet printer was quickly followed by laser printers from Brother Industries, IBM, Apple Computer ( with the LaserWriter ) and others.

In the worldwide consumer market, four manufacturers account for the majority of inkjet printer sales: Canon, HP, Epson, and Lexmark, a 1991 spin-off from IBM .< REF name =" Auto5I-3 "/>

A sophisticated programmable calculator, the HP 9800 series desktop computers | HP 9830A was actually an early desktop computer with printer.

HPGL ( Hewlett-Packard Graphics Language ; sometimes hyphenated as HP-GL ) is a printer control language created by Hewlett-Packard ( HP ).

HPGL was the primary printer control language used by HP plotters.

The data stream used by these systems to drive page layout on printers and imagesetters, often proprietary or specific to a manufacturer or device, drove development of generalized printer control languages, such as Adobe Systems ' PostScript and Hewlett-Packard's HP PCL.

HP adopted Centronics parallel on their printer models and introduced a bidirectional version known as Bitronics on the LaserJet 4 in 1992.

All printer drivers were stored in that directory, and covered the standard printers in 1985-1989 circa, included EpsonFX standard driver, XEROX 4020, HP, etcetera.

HP Model 9830A desktop computer with optional Model 9866 thermal printer.

HP LaserJet 1012, a low-end personal laser printer.

The HP LaserJet 1012 is a low-end, monochrome laser printer from Hewlett-Packard that retails for US $ 199. 99 and was designed as an inexpensive laser alternative to Inkjet printers for home and small office use.

It is attached to one of the four ports on the calculator and provides functions for printing ( by HP 82162A printer ), storing on cassettes ( by HP 82161A digital cassette drive ) and general controlling interface.

Note that if there is already a plug-in printer attached to calculator ( HP 82143A ), you must disable the Print function on HP-IL module, sliding the switch Print to off.

* HP 82162A Thermal Printer ( HP-IL version of HP 82143A printer for HP-41C )

It supports only printers that can connect via a parallel printer port, such as most HP Deskjets and which can run under MS-DOS ; it does not support printers that require a USB connection or are labelled " Windows only ".

Some software companies that employed the Hexachrome system were Aldus ( now Adobe ), Adobe Photoshop, and QuarkXPress ; as well as the printer manufacturers HP, Epson, and Xerox.

The HP LaserJet was the world's first desktop laser printer.