What is the Full Form of ROM?

ROM, or Read-Only Memory, is a type of non-volatile memory used in computers and other electronic devices. Unlike RAM, the data stored in ROM remains even when the device is powered off.

 

Function of ROM

  • Storage: Stores the firmware or software that is rarely or never changed during the lifetime of the device.

  • Boot Process: Contains the necessary instructions for the initial booting of the computer or device.

  • Permanence: Ensures critical programs are always available and cannot be accidentally modified or deleted.

Types of ROM

  • PROM (Programmable ROM): Can be programmed once after manufacturing.

  • EPROM (Erasable Programmable ROM): Can be erased and reprogrammed using UV light.

  • EEPROM (Electrically Erasable Programmable ROM): Can be erased and reprogrammed using electrical charge.

Importance of ROM

  • Reliability: Provides reliable storage for essential software and firmware.

  • Security: Ensures that critical code is protected from accidental changes.

  • Consistency: Maintains the integrity of the system's boot process and other essential functions.

 

PYQs On ROM

 

Q. What is the full form of ROM?

Ans. The full form of ROM is Read-Only Memory.