A computer is a machine that manipulates data according to a list of instructions. The first devices that resemble modern computers date to the mid-20th century (1940?1945 ...

Computer programs (also software programs, or just programs) are instructions for a computer.. A computer requires programs to function. Moreover, a computer program does not run ...

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A personal computer (PC) is a computer whose original sales price, size, and capabilities make it useful for individuals, and which is intended to be operated directly by an end ...

A computer mouse is used to tell a computer what to do, including moving the cursor and choosing things on the screen. It got its name because the wire coming out of the end of the ...