What is the difference between RAM and ROM?

RAM and ROM are two different components of a computer. Each has a different function and each one is required for the computer to run effectively.

RAM

ROM

Random Access Memory

Read-only memory

Type of data storage

Type of data storage

Read and Write

Read - only

Can be accessed randomly at any time

Cannot be easily altered or reprogrammed

Volatile memory

Non-volatile memory

Data is lost when the power is turned off

Data is not lost when the power is turned off

Are read faster

Are read slower

Stores the data that is required to run applications

Stores the program required to initially boot the computer

Two main types of RAM are Static RAM and Dynamic RAM.

Types of ROM include PROM, EPROM and EEPROM.

Can store multiple gigabytes (GB) of data

Typically stores only several megabytes (MB) of data

 

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