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Question

The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?

A
Communicates its results
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B
Activates the output device
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C
Monitors the flow of information
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D
Control the printer
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E
None of the above
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Solution

The correct option is B Monitors the flow of information

The ALU of a central processing unit does the essential maths work for the computer. control unit does the Monitors the flow of information.

The Central Processing Unit (CPU) is also known as the microprocessor or processor. The processor contains three sections called the Arithmetic Logic Unit (ALU), the Control Unit and Registers. Control unit: The Control Unit makes decisions and sends the appropriate signal down its lines to other parts of the computer.

The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic/logic unit and input and output devices how to respond to the instructions that have been sent to the processor.


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