← Back to Dashboard

1.2(a) Memory and Storage

GCSE Computer Science (J277)

Fill in the blanks with the correct words. Click "Check Answer" to see if you're right!

Term: Primary memory

Definition:

It holds data and instructions in use by the processor. Consists of and ROM
No attempts
Term: RAM

Definition:

Random Access Memory. Holds the currently running and data. Volatile which means data is emptied when the is off. Not needed for systems.
No attempts
Term: ROM

Definition:

Read Memory. Non-volatile which means instructions and data when power is off. Stores in general purpose computers and OS in embedded system computers.
No attempts
Term: Virtual memory

Definition:

Using part of the secondary storage as if it were . Used for currently running applications that cannot into RAM.
No attempts
Term: Magnetic storage

Definition:

Data stored on metal disks using electro-magnetism. Pros: capacity, Cost per unit is less than Solid State. Cons: durability due to moving parts.
No attempts
Term: Optical storage

Definition:

Data stored on discs using pits and lands and a laser to read the data. Pros: per unit is low, portable. Cons: Low capacity, very durable.
No attempts
Term: Secondary storage

Definition:

A storage of instructions and data currently in use by the processor. Essential for storing data when the power is off.
No attempts
Term: Solid state storage

Definition:

Pros: Fast speed, durable, large capacity, portable. Cons: cost per unit
No attempts