Y9 4.1 & 4.2 Combined

A set of equipment that works together to help you do useful work is known as

• a computer system
• a control unit
• a central processing unit
• an arithmetic and logic unit

The work in the CPU is managed by

• the control unit
• a computer system
• a central processing unit
• an arithmetic and logic unit

In the CPU, all the calculations are done by

• the Arithmetic & Logic Unit (ALU)
• a computer system
• a central processing unit
• a control unit

In the CPU, regular electrical pulses are sent by

• the clock
• the Arithmetic & Logic Unit (ALU)
• a computer system
• a central processing unit
• a control unit

Every time the CPU clock ticks,

• the control unit sends an instruction to the ALU
• the buses move data to the memory
• the computer system requests another input
• the cpu sends data to an output device

The three parts of the CPU are joined together by connections called

• Buses
• trains
• guaguas
• wires

Another name for the microprocessor at the centre of the computer system is

• the CPU
• the ALU
• the Control Unit
• the RAM

The part of the computer system that does all the work is called

• the microprocessor
• the RAM
• the memory
• the ALU

How many parts of the CPU are there?

• 3.0
• 5.0
• 1.0
• 7.0

The parts of the CPU are (select all)

• Control Unit
• Arithmetic & Logic Unit (ALU)
• Clock
• Buses