SCIENCE
COMPUTERS ELECTRONICS COMMUNICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Magnetic Tape
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Keypad
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Floppy disc
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Hard disc
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Detailed explanation-1: -It began in 1928, when it was developed for audio storage and subsequently widely adapted in radio and the recording industry. UNIVAC inventors J. Presper Eckert and John Mauchly chose wisely, since a single roll of magnetic tape could hold as much data as 10, 000 punch cards.
Detailed explanation-2: -Magnetic audio tape is used to capture speech and music, and magnetic videotape provides a low-cost medium for recording analog voice and video signals directly and simultaneously. Magnetic technology has other uses in the direct recording of analog information, including alphanumerics.
Detailed explanation-3: -During World War II, the U.S. military used hundreds of thousands of miles of duct tape on tanks, planes and ammunition.