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
Correct Answer
Wrong Answer
2. Which one of the following refers to the data about data?
Directory
Data house
Sub data
Metadata
Correct Answer
Wrong Answer
3. ___ key to represent relationships between table
Primary
Secondary
Foreign
All of these
Correct Answer
Wrong Answer
4. Restarting a computer is called
Cold Boot
Warm boot
Booting
Safe mode
Correct Answer
Wrong Answer
5. A ___ can hide a user's browsing activity.
Firewall
Antivirus
Incognito mode
VPN
Correct Answer
Wrong Answer
6. The I/O devices are connected to the CPU via
SDRAM
Control Circuit
Signal
Bus
Correct Answer
Wrong Answer
7. Which device typically attachable to a computer keyboard that allows a blind people to read?
Light pen
Joystick
Braille display
Touch screen
Correct Answer
Wrong Answer
8. The speed of computer is measured in
Nanosecond
Picosecond
Megabytes
Megahertz
Correct Answer
Wrong Answer
9. Protection offered by Microsoft is called
Antivirus
Firewall
Utility
Defender
Correct Answer
Wrong Answer
10. What type of keys are Ctrl and Shift?
Toggle keys
Modifier keys
Function keys
None of the above
Correct Answer
Wrong Answer
11. The fastest memory is
Cache
Register
Flipflop
RAM
Correct Answer
Wrong Answer
12. Which of the following is an example of utility software?
Antivirus
Word
Operating System
Data recovery
Correct Answer
Wrong Answer
13. Which is the slowest internet connection service?
Broadband service
Cable service
Dial up service
LAN service
Correct Answer
Wrong Answer
14. When cutting and pasting, the item cut is temporarily stored in
Register
Clipboard
RAM
ROM
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
16. DOS uses ___ of file system.
NTFS
HFS
FAT
MAC
Correct Answer
Wrong Answer
17. Programs stored in ROM are called
Hardware
Firmware
Software
None of these
Correct Answer
Wrong Answer
18. Touchscreen is ___ device.
Input
Output
Both A and B
None of the above
Correct Answer
Wrong Answer
19. Which of the following is known as Malicious software?
Bad ware
Illegal ware
Malware
Malicious ware
Correct Answer
Wrong Answer
20. Who wrote the first computer worm?
Bob Thomas
Marcus Hess
Ray Tomlinson
Tim Berners Lee
Correct Answer
Wrong Answer
21. The first computer virus is
Creeper
Brain
I Love You
Trojan Horse
Correct Answer
Wrong Answer
22. The first Boot Sector Virus is
Brain
Creeper
Ransomware
Trojan Horse
Correct Answer
Wrong Answer
23. MacAfee is
Quick heal
Virus
Antivirus
Disk cleaner
Correct Answer
Wrong Answer
24. ___is a software pretend to be useful but actually is not
Trojan
Virus
Worm
Bots
Correct Answer
Wrong Answer
25. Unsolicited commercial email is
Spyware
Malware
Spam
Virus
