4th Computer SET 3

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Free Online Best 4th Class Computer Questions for improve your knowledge of Computer Subject and General Knowledge for competitive exams. This 4th Computer Set 3 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

BIOS is used?

A	By operating system
B	By compiler
C	By interpreter
D	By application software

Question 2

How many color dots make up one color pixel on a screen?

A	265
B	16
C	8
D	3

Question 3

Which one of the following is an example of the browser software?

A	Microsoft Word
B	Notepad
C	Internet navigator
D	Internet explorer

Question 4

What is the mean of the Booting in the system?

A	Restarting computer
B	Install the program
C	To scan
D	To turn off

Question 5

It is used to enter typewritten words or text in the picture with different background style.

A	Text box
B	Pencil
C	Brush
D	Airbrush

Question 6

A named area on a disk that is used to store related subfolder and files is called__________

A	desktop
B	folder
C	menu
D	window

Question 7

What is smallest unit of the information?

A	A bit
B	A byte
C	A block
D	A nibble

Question 8

A computer is accurate, but if the result of a computation is false, what is the main reason for it?

A	Power failure
B	The computer circuits
C	Incorrect data entry
D	Distraction

Question 9

Which of the following is the smallest visual element on a video monitor?

A	Character
B	Pixel
C	Byte
D	Bit

Question 10

A process is a_____

A	single thread of execution
B	program in the execution
C	program in the memory
D	task

Question 11

Add new computer hardwareoption exists in__________

A	Main menu
B	status bar
C	task bar
D	control panel

Question 12

What is the term for a temporary storage area that compensates for differences in data rate and data flow between devices?

A	Buffer
B	Bus
C	Channel
D	Modem

Question 13

Which one of the following groups contains graphical file extensions?

A	JPG, CPX, GCM
B	GIF, TCE, WMF
C	TCP, JPG, BMP
D	JPG, GIF, BMP

Question 14

Which of the following would be the correct description for WORM virus?

A	It infects the boot sector
B	It propagates through the internet and e-mail
C	It has no effect in increasing the internet traffic
D	It alters the folder structure

Question 15

Flash is__________

A	Software
B	Hardware
C	ROM
D	PROM

Question 16

Which is a semiconductor memory?

A	Static
B	Dynamic
C	Bubble
D	Both a & b

Question 17

Which is used to set the current foreground or background color of a canvas?

A	Airbrush
B	Pick color
C	Text
D	None of the these

Question 18

Computer mouse event is__________

A	left click
B	Right click
C	Double click
D	All of the Above

Question 19

Which of the following memory is capable of operating at electronics speed?

A	Magnetic tapes
B	Magnetic drums
C	Semiconductor memory
D	Magnetic disks

Question 20

A window which is displayed whenever the program requires additional information from you is called__________

A	film strip
B	menu bar
C	dialog box
D	drop down menu

Question 21

Which of the following is the extension of Notepad?

A	.txt
B	.xls
C	.ppt
D	.bmp

Question 22

Top of the window which display the program' name cosists of__________

A	menu bar
B	Main menu
C	status bar
D	task bar

Question 23

Which of the following natural element is the primary element in computer chips?

A	Silicon
B	Carbon
C	Iron
D	Uranium

Question 24

How is the data stored on the diskette?

A	Ink
B	Laser bubbles
C	Magnetism
D	Circuits

Question 25

Computer files exist in afolder but folder can not exist in a__________

A	file
B	folder
C	paths
D	document

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