Computer Operator Questions-Part 32

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

1. Which one of the following refers to copies of the same data occupying the memory space at multiple places?

Data repository
Data inconsistency
Data Mining
Data redundancy

2. Which one of the following refers to the data about data?

Directory
Data house
Sub data
Metadata

3. ___ key to represent relationships between table

Primary
Secondary
Foreign
All of these

4. Restarting a computer is called

Cold Boot
Warm boot
Booting
Safe mode

5. A ___ can hide a user's browsing activity.

Firewall
Antivirus
Incognito mode
VPN

6. The I/O devices are connected to the CPU via

SDRAM
Control Circuit
Signal
Bus

7. Which device typically attachable to a computer keyboard that allows a blind people to read?

Light pen
Joystick
Braille display
Touch screen

8. The speed of computer is measured in

Nanosecond
Picosecond
Megabytes
Megahertz

9. Protection offered by Microsoft is called

Antivirus
Firewall
Utility
Defender

10. What type of keys are Ctrl and Shift?

Toggle keys
Modifier keys
Function keys
None of the above

11. The fastest memory is

Cache
Register
Flipflop
RAM

12. Which of the following is an example of utility software?

Antivirus
Word
Operating System
Data recovery

13. Which is the slowest internet connection service?

Broadband service
Cable service
Dial up service
LAN service

14. When cutting and pasting, the item cut is temporarily stored in

Register
Clipboard
RAM
ROM

15. What is the smallest and largest font size available in Font Size tool on formatting toolbar?

8 and 72
8 and 68
6 and 72
6 and 68

16. DOS uses ___ of file system.

NTFS
HFS
FAT
MAC

17. Programs stored in ROM are called

Hardware
Firmware
Software
None of these

18. Touchscreen is ___ device.

Input
Output
Both A and B
None of the above

19. Which of the following is known as Malicious software?

Bad ware
Illegal ware
Malware
Malicious ware

20. Who wrote the first computer worm?

Bob Thomas
Marcus Hess
Ray Tomlinson
Tim Berners Lee

21. The first computer virus is

Creeper
Brain
I Love You
Trojan Horse

22. The first Boot Sector Virus is

Brain
Creeper
Ransomware
Trojan Horse

23. MacAfee is

Quick heal
Virus
Antivirus
Disk cleaner

24. ___is a software pretend to be useful but actually is not

Trojan
Virus
Worm
Bots

25. Unsolicited commercial email is

Spyware
Malware
Spam
Virus