What characterstics of read-only memory (ROM) makes it useful ?
Correct answer: B. Data in ROM is non volatile, that is, it remains there even without electrial power
- A. ROM information can be easily updated
- B. Data in ROM is non volatile, that is, it remains there even without electrial power
- C. ROM provides very large amounts or inexpensive data storage
- D. ROM chips are easily swapped between different brands of computers
Explanation
ROM is non-volatile, so its contents remain available after electrical power is removed. Its stored information is not normally meant to be easily updated, which distinguishes it from RAM.
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