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Week#10 Grade3 How does a computer work

Total questions: 20

Worksheet time: 24mins

Name
Class
Date
1.

You have to tell the computer what to do by giving instructions to your computer .

a)

a. True

b)

b. False

2.

Output devices receive input .

a)

a. True

b)

b. False

3.

_______________devices receive input .

a)

a. Output devices

b)

b. Input devices

c)

c. Processing devices

4.

______________ processes data and convert it into useful information .

a)

a. Input device

b)

b. Processor device

c)

c. Output device

5.

CPU is same of processor .

a)

a. True

b)

b. False

6.

Write the full form of CPU .

4 lines
7.

_______________ processes information .

a)

a. Input device

b)

b. Out put device

c)

c. Processor

8.

_______________ produce output .

a)

a. Input devices

b)

b. Output devices

c)

c. Processor

9.

In the Microwave Example , _______________is the input ,

a)

a. Hot food

b)

b. raw food

c)

c. Microwave

10.

_______________ is the process operation in Microwave's Example .

a)

a. Cooking

b)

b. raw food

c)

c. hot food

11.

_______________is the output in Microwave's example.

a)

a. Hot food

b)

b. cooking

c)

c. raw food

12.

Data can be what ?

4 lines
13.

How do people enter data ? which tools are used ?

4 lines
14.

________________,___________________ and ______________ are examples of input devices .

a)

a. printer, projector and monitor

b)

b. Scanner , joystick ,graphic tablet , track ball

c)

c. CPU

15.

People use _________________to enter data to the computer .

a)

a. Input devices

b)

b. output devices

c)

c. processor

16.

The data entered into the computer is called _______________.

a)

a. output

b)

b. input

c)

c. processor

17.

Performing calculations or processing data is called _____________.

a)

a. entering

b)

b. processing

c)

c. giving

18.

The processing is done by the ____________________.

a)

a. CPU

b)

b. input devices

c)

c. output devices

19.

Explain the input -processing - storage -output cycle

4 lines
20.

Write the full form of IPO cycle

4 lines