Which of the following statements are true about ROM?

1.ROM stores the most crucial information essential to operate the system, such as the program to boot the computer

2.ROM is used in embedded systems where the programming needs no change

3.ROM is non-volatile as it always retains its data

4.ROM is used in calculators and peripheral devices

5.ROM is classified into four types, MROM, PROM, EPROM and EEPROM

A1, 2, 3 and 4

B2, 3 and 4

C1, 2 and 4

D1, 2, 3, 4 and 5 ✓ Correct

Correct answer: (D) 1, 2, 3, 4 and 5

Explanation

All five statements about ROM are true.

Statement 1 is right, since ROM stores crucial start up data like the boot program.

Statement 2 is right, since ROM suits embedded systems whose programming stays fixed.

Statement 3 is right, since ROM is non volatile and always retains its data.

Statement 4 is right, since ROM is used in calculators and peripheral devices.

Statement 5 is right, since ROM types are MROM, PROM, EPROM and EEPROM.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.