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P
Post-Processingost-Processing
 A computer works on the principle of IPO (Input-Process-Output) cycle.

 Data and instructions given to a computer is called Input.
 The action performed by the computer on input is called Process.

 The result produced by the computer after processing data is called Output.
 The CPU is made of Control Unit, ALU, and Memory Unit.

Info Retention

A. Tick [3] the correct option.
1. The part of CPU that stores input data temporarily is ______.

ALU Memory Unit

Control Unit CPU box

2. The I in IPO cycle stands for ______.
Important Income

Imported Input

3. The result of processing is called ______.
answer display

output goal

4. The ______ is called the ‘Brain’ of the CPU.
Memory unit ALU

Control Unit Monitor

B. Fill in the blanks using the Data Box.

Data Box input CPU keyboard Output

1. ________ is the result produced by the computer after processing the data.

2. The ________ is the heart as well as the brain of the computer.
3. The output of one process can be the ________ for another process.
4. A ________ is an example of input device.

C. Write ‘T’ for True and ‘F’ for False statement.

1. Keyboard and webcam are examples of output devices. ________
2. The carrying out of instructions by the CPU is called process. ________

3. The Control unit can store data and instructions. ________

4. The CPU is fixed inside the monitor of a computer. ________
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