What characteristic of read-only memory (ROM) makes it useful?
Correct answer: B. Data in ROM is non-volatile, that is, it remains there even without electrical power.
- A. ROM information can be easily updated.
- B. Data in ROM is non-volatile, that is, it remains there even without electrical power.
- C. ROM provides very large amounts of inexpensive data storage.
- D. ROM chips are easily swapped between different brands of computers.Exploring Educational Science Kits
Explanation
ROM is non-volatile memory, so its contents remain stored when electrical power is removed. It is not intended for easy updating and does not provide large, inexpensive storage like a disk.
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