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Computer Revision Quiz- For grade 4

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

This can be used to record videos and photos. Also the data is stored in digital memory.

a)

Webcams

b)

Video camera

c)

Digital camera

d)

Film camera

2.

An input device which the user can use to type in numbers into a computer.

a)

QWERTY keyboard

b)

Concept keyboard

c)

Ergonomic keyboard

d)

Numeric keypad

3.

A mouse,touch-pad, and a trackball are all examples of:

a)

Scanning Device

b)

Voice-Input Devices

c)

Pointing Device

d)

Output Device

4.

A pen shaped device which can sense light, and is used to point at spots on a screen.

a)

Light pen

b)

Tracker ball

c)

Mouse

d)

Joystick

5.

Used to enter information on papers into a computer

a)

Printer

b)

Scanner

c)

QWERTY keyboard

d)

Touchpad

6.

Used by artists and designers to create and store digital graphics into a computer

a)

Touch screen

b)

Monitor

c)

Laptop

d)

Graphics tablet

7.
What does OMR stand for?
a)
Optical Mark Recognition
b)
Optical Meter Reader
c)
Operator Mark Recognition
d)
Online Meter Reader
8.

This mouse function allows you to select an item on the screen

a)

Clicking

b)

Double clicking

c)

Dragging and Dropping

d)

Right clicking

9.

Used by artists and designers to create and store digital graphics into a computer

a)

Touch screen

b)

Monitor

c)

Laptop

d)

Graphics tablet

10.

This mouse function allows you to select an item on the screen

a)

Clicking

b)

Double clicking

c)

Dragging and Dropping

d)

Right clicking

11.

This option is often used to open a document on a computer

a)

Clicking

b)

Double Clicking

c)

Dragging and dropping

d)

Right clicking

12.

Which of the following is not a pointing device

a)

Mouse

b)

Light pen

c)

Keyboard

d)

Joystick

13.

A device mainly used for playing games

a)

keyboard

b)

OCR

c)

Joystick

d)

Scanner

14.

Enters sound onto a computer

a)

Microphone

b)

Speakers

c)

Touch Screen

d)

Light pen

15.

Example of software.

a)

Monitor

b)

MS. Word

c)

Mouse

d)

Keyboard

16.

______________ is used to input by drawing directly on the screen

a)

light pen

b)

Web cam

c)

printer

17.

Tick the input devices

a)

Keyboard

b)

Mouse

c)

Monitor

d)

game pad

e)

printer

18.

Is it an input or output device?

a)

Input

b)

Output

c)

Input and output

d)

I don't know

19.
Microphone
a)
Input 
b)
Output
20.

Device that allows the user to put data into the computer

a)

INPUT DEVICES

b)

OUTPUT DEVICES

c)

STORAGE DEVICES

d)

PROCESSING DEVICES

21.

Which one is not the input device?

a)

trackball

b)

photo scanner

c)

printer

22.

Which part of the computer serves as the backbone of the system unit?

a)

CPU

b)

Power supply

c)

System Unit

d)

Motherboard

23.

_____________ controls each part of computer.

a)

Motherboard

b)

CPU

c)

CD-ROM

24.

Mother board is also known as system board.

a)

True

b)

False

25.

A (a)   is a large circuit board inside the system unit.

26.

Full form of CPU

(a)  

27.

Full Form of ROM

(a)  

28.

Full Form of RAM

(a)  

29.

The system unit connects the....

a)

input devices to the output devices.

b)

mouse to the keyboard.

c)

printer to the screen.

30.

What is this device?

a)

RAM.

b)

CPU.

c)

Hard disk.

d)

Motherboard.

31.

What is this device?

a)

RAM.

b)

Central Processing Unit (CPU).

c)

Motherboard.

32.

Choose the Motherboard

a)
b)
c)
d)
33.

It is the main component wherein all the devices inside the system unit connected to it:

a)

Hard drive

b)

Mother board

c)

Power Supply Unit

d)

Port

34.

_____________ acts as a processing device

a)

CPU

b)

VDU

c)

CRT

35.
What is the main function of the CPU?
a)
To carry out processing of the data.
b)
To help with playing games.
c)
To fetch instructions from memory, decode them and execute the instructions.
d)
To heat up the computer.
36.
What is the job of the control unit?
a)
It carries out calculations
b)
It stores information.
c)
It does nothing.
d)
It controls the input and output of data to make sure that it gets to the right place.
37.

The acronym ALU stands for a computer's ___

a)

accepted language utility

b)

advanced logarithmic unit

c)

arithmetic and linguistic utility

d)

arithmetic and logic unit

38.

The handling of all numerical operations in a computer is done by ___

a)

the logic unit

b)

the arithmetic unit

c)

the linguistics unit

d)

random access memory

39.

Scanned file is known as

a)

Paper document

b)

Hard copy

c)

Soft copy

40.

Rohan is washing clothes. In which stage of IPO cycle he is in?

a)

Input

b)

Process

c)

Output

41.

__________ is the part of CPU that controls the working of all parts of the computer.

a)

Control Unit

b)

Memory Unit

c)

ALU

42.

Select the correct order of processing of data 2+4.

1. Input (2,+,4) goes to ALU

2. Input (2,+,4) goes to Memory Unit first

3. The result (6) obtained displays on the output device

4. The result (6) obtained goes from ALU to the memory unit

5. From memory unit result goes to the output devices.

a)

1-2-3-4-5

b)

1-3-4-5-2

c)

2-1-4-5-3

d)

2-3-1-5-4

43.

Printed copy is also known as

(a)  

44.

What is a storage device?

a)

A device use for calculating data

b)

A device used to store data temporarily

c)

A device used to supply power to the computer

d)

A device used to store data permanently

45.
What type of device is this? USB memory stick
a)
Input
b)
Output
c)
Storage
46.

Computer working without getting tired is ................ feature.

a)

Reliability

b)

Versatility

c)

Diligence

47.

Computer is a dumb machine because

a)

It lacks storage

b)

It lacks intelligence

c)

It lacks understanding

48.

If a computer is programmed to harm people, will it decide itself whom to harm?

a)

Yes

b)

No

c)

Maybe

49.

Computer performing variety of tasks ................ feature.

a)

Storage

b)

Accuracy

c)

Multi-tasking

50.

Which part of CPU is known as "The heart of the computer system"?

a)

Memory Unit (MU)

b)

Control Unit (CU)

c)

Arithmetic and Logic Unit (ALU)

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