Memory and Caching

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  • Created by: congriff
  • Created on: 23-01-24 11:43
RAM
- Stores programs that are currently being executed or data that will be needed for immediate use.

-Volatile
1 of 5
ROM
- Contents cannot be changed or deleted

- non-volatile

- Used to store the bootstrap program as well as any system data that does not change.
2 of 5
Memory Cache
- high-speed, smaller-capacity RAM variant

- close to the CPU

- intended to store commonly used data and instructions.
- Quicker than RAM
3 of 5
Disk cache
- specifically designated part of RAM

- Contains data and instructions from
secondary storage likely to be needed either repeatedly or next

- speeds up retrieval of data and instructions
4 of 5
Secondary storage
- any device that can store data, in addition to main memory.

-non-volatile and are typically high capacity and/or portable

- Factors that can affect the choice of a secondary storage device are speed, cost per storage unit and portability
5 of 5

Other cards in this set

Card 2

Front

- Contents cannot be changed or deleted

- non-volatile

- Used to store the bootstrap program as well as any system data that does not change.

Back

ROM

Card 3

Front

- high-speed, smaller-capacity RAM variant

- close to the CPU

- intended to store commonly used data and instructions.
- Quicker than RAM

Back

Preview of the back of card 3

Card 4

Front

- specifically designated part of RAM

- Contains data and instructions from
secondary storage likely to be needed either repeatedly or next

- speeds up retrieval of data and instructions

Back

Preview of the back of card 4

Card 5

Front

- any device that can store data, in addition to main memory.

-non-volatile and are typically high capacity and/or portable

- Factors that can affect the choice of a secondary storage device are speed, cost per storage unit and portability

Back

Preview of the back of card 5

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