question_answer

What characteristic of read-only memory (ROM) makes it useful?                                          [SBI Clerk, 2014]

A)  ROM information can be easily updated.

B)  ROM provides very large amounts of inexpensive data storage.

C)  Data in ROM is nonvolatile, that is, it remains there even without electrical power.

D)  ROM chips are easily swapped between different brands of computer.

E)  None of these