Binary Logic - CPU, Memory and Storage Flashcards Preview

Year 9 Computer Science Revision 2023 > Binary Logic - CPU, Memory and Storage > Flashcards

Flashcards in Binary Logic - CPU, Memory and Storage Deck (12)
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1
Q

What does RAM stand for?

A

Random Access Memory

2
Q

What does ROM stand for?

A

Read Only Memory

3
Q

Does a washing machine have an embedded system?

A

Yes - it controls the programs and temperature cycles

4
Q

What is a computer system?

A

A device which processes inputs and turns them into outputs

5
Q

Is a microwave a computer or embedded system?

A

Embedded system

6
Q

How do embedded systems work?

A

They use microprocessors to control specific functions on a device

7
Q

An embedded system is one that is…

A

built into a larger system and has only limited functions

8
Q

Does RAM or ROM store programs being used by the CPU?

A

RAM

9
Q

Why is ROM needed?

A

It stores the ‘bootstrap’ which loads the operating system. Without it, the computer wouldn’t start up.

10
Q

The characteristics of RAM are?

A

Temporary, volatile, expandable and you can write to it

11
Q

What happens to RAM when a device is restarted?

A

Data is volatile so it is lost

12
Q

What type of storage is a hard drive?

A

Secondary storage