How is data stored electronically and by what method?

Title: How is data stored electronically and by what method?
Category: History / European History | Words: 796 | Pages: 3.4 (approximately 235 words/page)

How is data stored electronically and by what method?

Definitions of storage: The number of instructions and amount of data a computer can store in its memory is measured in bytes. One byte contains 8 bits (short for binary digits, 0 and 1). Computers work by using pulses of voltage which represent either 0 or 1. Low voltages represent 0, high voltages represent 1. 8 bits are normally needed to store one character. A single character can be stored in one byte. We normally refer to storage capacities in terms of kilobytes (…showed first 75 words of 796 total…

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…showed last 75 words of 796 total…CD-ROM drives: CD-ROM drives use the same technology as music CDs and CD players. The data is stored on the disk digitally and a laser beam is used to read the data off the disk. CD-ROMs can be filled with clip art, encyclopaedias, photographs, and all sorts of reference material. CD-ROMs are read-only disks, which mean that you can read the data off the disk but not store new data or alter the existing data.

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