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A desktop computer, often abbreviated as desktop, [1] is a personal computer designed for regular use at a stationary location on or near a desk ...
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
40×10 3: multiplication on Hewlett-Packard 9100A early desktop electronic calculator, 1968; 53×10 3: Lincoln TX-2 transistor-based computer, 1958 [2] 92×10 3: Intel 4004, first commercially available full function CPU on a chip, released in 1971; 500×10 3: Colossus computer vacuum tube cryptanalytic supercomputer, 1943
Average lifespan: c. 2000 hrs MTBF [citation needed] c. 2,500,000 hrs ... the typical speed of a hard drive in an average desktop computer is 7,200 rpm, ...
Later models released from 1997 onwards include the 2000 series. Altogether, models that were produced during this period include the 2200, 3020, 4100, 4400, 4500, 4600, 4700, 4800, 6700, and 8700 series. This was the last generation of computers in the Presario family to offer all-in-one form factors for desktop computers.
CD-R recording systems available in 1990 were similar to the washing machine-sized Meridian CD Publisher, based on the two-piece rack mount Yamaha PDS audio recorder costing $35,000, [citation needed] not including the required external ECC circuitry for data encoding, SCSI hard drive subsystem, and MS-DOS control computer.