Q
What characterstic of read only memory (ROM) makes it useful ?
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A
A. Rom information can be easily updated
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B
B. Data in rom is non volatile, that is, it remains there even without electrical power
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C
C. Rom provides very large amounts of inexpensive data storage
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D
D. Rom chips are easily swapped between different brands of computers
Correct Answer:
B. B. Data in rom is non volatile, that is, it remains there even without electrical power
