Desktop computer
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A desktop computer, often abbreviated as desktop, is a personal computer designed for regular use at a stationary location on or near a desk due to its size and power requirements. The most common con
Apple II computer
IBM 5150 Personal Computer
A person working on a 2004 tower PC with a Dell monitor
Laptops in store
Computer
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A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations. Modern digital electronic computers can perform generic sets of operations know
Desktop computer
…often, a printer for output. The case may be oriented horizontally or vertically and placed either underneath, beside, or on top of a desk. Desktop computers with their cases oriented vertically are referred to as towers. As the majority of cases offered since the mid 1990s are in this form factor, the term…
A human computer, with microscope and calculator, 1952
The Ishango bone, a bone tool dating back to prehistoric Africa
Charles Babbage
A diagram of a portion of Babbage's Difference engine