computer
The second section covers the history of computing. Increasingly, computers can also learn and adapt as they operate. Computers also have limitations, some of which are theoretical. The first devices used switches operated by electromagnets. Visit your nearest Reseller today. At first they represented quantities with mechanical components but after World War II voltages were used; by the digital computers had largely replaced them. computer, device for processing, storing, and displaying information. Computer once meant a person who did computations, but now the term almost universally refers to automated electronic machinery. Visit your nearest Apple Reseller today. Because they were complex systems, they were operated by a staff of systems programmers, who alone had access to the computer. During the International Business Machines Corporation (IBM), and other companies made large, expensive computers of increasing power. For historical developments, see the section Inven...