1. What characteristic of read only menory (ROM) makes it useful?
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 amount of inexpensive data storage
d. ROM chips are easily swapped between different brands of computers
Answers & Comments
Answer:
B. Data in ROM is non-volatile, that is, it remains there even without electrical power