CPU and RAM - Year 8

CPU stands for...

• Central Programming Unit
• Centrally Processing Universally
• Core Processing Unit
• Central Processing Unit

CPU carries out a cycle called___.

• Execute-decode-fetch

• Fetch-decode-execute

• Fetch-execute-decode

• Decode-execute-fetch

What is processor speed measured in?

• Hertz

• Watts

• Amps

• Volts

RAM is non-volatile memory

• True
• False

What does RAM stand for?

• Random Access Memory
• Random Area Machine
• Real Access Machine
• Rapid Access Memory

What does volatile mean?

• Data is lost when the power is turned off

• Data is NOT lost when the power is turned off

What happens at the Decode step of the fetch-decode-execute cycle?

• The CPU makes sense of the instructions.
• The CPU fetches the information from RAM.
• The instructions are executed.

The CPU fetches instructions from.... and executes those instructions.

• RAM

• Output device

• A peripheral

• Input Device

A computer has a CPU with a clock speed of 4-GHz - how many instructions can be carried out per second?

• 4

• 4-million

• 4-billion

• 4-thousand

Main memory is known as?

• The hard drive

• RAM

• ROM

• USB