Computer Systems Test

What does CPU stand for?

• Central Processing Unit

• Central Performance Unit

• Computer Processing Unit

• Central Programming Unit

What is the role of the CPU in a computer?

• To display graphics

• To store data permanently

• To execute all instructions and calculations

• To manage the computer's power supply

John is working on his computer. Which of the following activities involves the CPU?

• Checking emails

• Plugging in a USB drive

• Drawing power from an outlet

• Connecting to a wireless network

How does the CPU process data?

• In a continuous stream

• In cycles

• In random order

• Only when the computer is turned off

What cycle does the CPU operate by repeating over and over again?

• Input-Output Cycle

• Compile-Run Cycle

• Fetch-Decode-Execute Cycle

• Read-Write Cycle

What is the first step in the Fetch-Decode-Execute cycle?

• Execute

• Decode

• Fetch

• Save

During which step of the Fetch-Decode-Execute cycle does the CPU work out what the instruction is?

• Fetch

• Execute

• Decode

• Load

What happens during the Execute step of the Fetch-Decode-Execute cycle?

• The instruction is brought to the CPU from memory.

• The CPU works out what the instruction is.

• The instruction is carried out.

• The instruction is saved to memory.

Which of the following is NOT one of the key components of a CPU?

• The Control Unit

• The Clock

• CPU Memory

• The Power Supply

What is the term used to collectively refer to the components of a CPU?

• A bundle

• A core

• A chip

• A package