S1 CPU Plenary

What does CPU stand for?

• Computer Processor Unit

• Computer Performance Unit

• Central Processing Unit

• Central Performance Unit

What is the purpose of the CPU?

• It ensures that the instructions of the running programs are carried out

• It is the collection of lines that carry data

• It stores instruction that tell the computer how to start up

• It stores files for later use

What do buses do?

• They ensure that the instructions of the running programs are carried out

• They are the collection of lines that carry data between the CPU and main memory

• They store instructions that tell the computer how to start up

• They stores files for later use

What is the basic operation of a computer called?

• The Fetch Cycle

• The Execute Cycle

• The Fetch-Execute Cycle

• The Fetch-Decode-Excecute Cycle

Which is the correct order of the fetch-execute cycle?

• Execute instructions - Fetch instructions - Decode instructions - Repeat until complete

• Fetch instructions - decode instructions - Execute instructions - Repeat until complete

• Decode instructions -Execute instructions - Fetch instructions - Repeat until complete

• Repeat until complete - Decode instructions -Execute instructions - Fetch instructions

What is the advantage of having more than one core?

• The computer is more expensive

• The computer is cheaper

• More tasks can be worked on at the same time

• Only one task can be worked on at a time

What is the advantage of having a high clock speed?

• The system can process more operations every second

• The computer can be used as a clock

• The system processes fewer operations every second

• Only one task can be worked on at a time

What is clock speed usually measured in?

• Hours, minutes and seconds

• miles per hour (mph)

• metres per second (mps)

• gigahertz (GHz)

The three main parts of a CPU core are the ALU, CU and registers. What does ALU stand for?

• Automatic Logic Unit

• Arithmetic Logic Unit

• Arithmetic Labelling Unit

• Automatic Labelling Unit

The three main parts of a CPU core are the ALU, CU and registers. What does CU stand for?

• Core Unit

• Computer Unjumbler

• Control Unit

• Control Unjumbler