WJEC 1.1.3 Primary Storage

The function of the cache is...

• temporarily store data or control information needed by the CPU

• Direct the flow of instructions and data

• perform mathematical and logic functions

• store the most frequently used data and instructions

• carry data/control signals/information about RAM locations around

RAM is...

• primary storage

• secondary storage

ROM is...

• primary storage

• secondary storage

ROM stands for...

• Read Optical Memory
• Random Only Memory
• Read Only Memory
• Random Optical Memory

RAM stands for ...

• Read Access Memory
• Random Application Memory
• Read Application Memory
• Random Access Memory

The characteristics of RAM are it is .....

• Non-volatile, read, contents cannot be altered

• Volatile, read & write, contents can be altered

The characteristics of ROM are it is .....

• Non-volatile, read, contents cannot be altered

• Volatile, read & write, contents can be altered

Describe the purpose of RAM

• Stores the instructions to load up the computer

• Stores data or information currently in use

Why is ROM need in a computer system?

• It stores the 'bootstrap loader' which is needed to load the operating system.Without it, the computer wouldn't turn on.
• It stores the data of the operating system and programs that are currently running, for access by the CPU.

A type of non-volatile solid state memory technology.

• RAM
• ROM
• Cache memory
• Flash memory