Computer Operator Questions-Part 7

Here, you can read and text important MCQ of loksewa computer operator.

1. Which of the following database object hold data?

Report
Query
Table
Form

2. In DBMS, which command is used to modify data in a database table?

MODIFY
UPDATE
CHANGE
ALL THE ABOVE

3. If you want an organization logo to be appeared on every slide in the presentation,you should include it on

Slide master
Design Template
Design master
None of the above

4. What is a motion path?

A method of advancing slides
A type of animation entrance effect
A method of moving items on a slide
All the above

5. Which of the following device can be used for both input and output device?

Barcode reader
Plotter
Touch screen
All the above

6. The output quality of printer is measured by

Dots per inch
Dots per square inch
Dots printer per unit time
Dots per cm

7. An information in a disk in drive is accessed by address containing

Track number
Sector number
Surface number
All the above

8. All the following are examples of real security and privacy risks except

Hackers
Spam
Viruses
Identify theft

9. Which of the following extends a private network across public networks?

A local area network
Virtual private network
Enterprise private network
Storage area network

10. The reason for the implementation of cache memory is

To increase the internal memory of the system
To reduce the memory access and cycle time
To control the difference in speed of operation of the processor and memory
All the above

11. IBM 1401 is ..... generation computer.

First
Second
Third
Fourth

12. The ALU of a computer normally contains a number of high speed storage element called

Semiconductors memory
Registers
Hard disk
Magnetic disk

13. What is a compiler?

Convert the low level language into high level language
Convert the high level language into low level language line by line
Convert the assembly language into machine code
Convert the high level language into low level language at once

14. In computer networking, which is not any network typr

Metropolitan Area Network
Public Area Network
Wireless Local Area Network
Personal Area Network

15. A private enterprise network which is designed to support an organization's employee to communicate,collaborate and perform their roles is callrd

Email
Internet
Extranet
Intranet

16. Which of the following is an example of binary number?

B134FD
458745
100011
1237

17. Which of the following is not processing?

Arranging
Manipulating
Calculating
Gathering

18. Two devices are in network if

A process in one device is able to exchange information with a process in another device
A process is running in both devices
PIDs of the processes running of different devices are same
None of the above

19. The primary purpose of an operating system is

To make efficient use of hardware
To allow people to use the computer
To make computer easier to use
To interact with user

20. The component of WIndows OS that provides the facility to add or remove hardware and software,control user accounts and access a network setting called

Device Manager
Computer Manager
Control Panel
System tools

21. Which function key needs to be pressed during reboot to enter in safe mode on a window machine?

F2
F8
F9
F12

22. Which command is used to clear the screen and display operating system prompt on the first line of the display?

cd
md
rename
cls

23. In windows OS, which system tools checks hard drive for bad sector errors and attempt to fix it?

Disk scanning
Disk defragmentation
Disk management
Disk formatting

24. Ms word automatically move the text to the next line when it reaches the right edge of the screen and is called

Carriage return
Adjust
Word wrap
Enter

25. The keystroke Ctrl+I is used to

Increase the font size
Insert a line break
Bold a text
Apply italic format to selected text