Multiple choice

Which of the following memories is non volatile and may be written only once?

  1. RAM

  2. ROM

  3. PROM

  4. EE-ROM
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

PROM (Programmable Read-Only Memory) can be written only once by the user using special equipment. After programming, it becomes permanent and non-volatile like ROM. RAM is volatile, ROM is pre-programmed, and EEPROM can be rewritten multiple times.

Keep practicing — related questions