Which characteristic makes read-only memory (ROM) useful?

1. A Option A: Data in ROM is non-volatile, so it remains there even without electrical power
2. B Option B: ROM information can be easily updated
3. C Option C: ROM provides very large amounts of inexpensive data storage
4. D Option D: ROM chips are easily swapped between different brands of computers

Answer checked 11 October 2026 · How we write and check questions