What does 'PROM' stand for?

Question

Question

This question was previously asked in

RRB JE ECE 22 Apr 2025 Shift 1 CBT 2 Official Paper

Answer 1

The correct answer is Programmable read-only memory

Key Points

PROM stands for Programmable Read-Only Memory.
Read-only memory (ROM) is a type of memory that is used in electronics and computers.
It is a non-volatile memory, that is, information stored in such memory is permanent and cannot be changed.
The other two types of ROM are
- Electrically Erasable Programmable ROM (EEPROM)
- Erasable Programmable ROM (EPROM)

Additional Information

Primary memory can be divided into RAM (Random Access Memory) and ROM (Read Only Memory)

RAM	ROM
It is a Volatile or temporary memory	It is Non Volatile or permanent memory
Data gets erased when the power supply is off	Data stored permanently
Faster memory	Slow memory
It is used in the normal operations of a computer after starting up and loading the operating system	A ROM chip is used primarily in the start-up process of a computer