Title: Computers

Essay Details

Subject: Technology
Author: Thomas D
Date: May 16, 2017
Level: University
Grade: A
Length: 6 / 1538
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

An electrical circuit may be open or closed. The magnetic pulses on a disk or tape may be present or absent. Current may be high voltage or low voltage. A punched card or tape may have a hole or not have a hole. This two-state situation allows computers to use the binary system to represent data and programs...

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This two-state situation allows computers to use the binary system to represent data and programs. The decimal system that we are accustomed to has 10 digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9). By contrast, the binary system has only two digits: 0 and 1. (Bi- means "two.") Thus, in the computer the 0 can be represented by the electrical current being off (or at low voltage) and the 1 by the current being on (or at high voltage)...

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