Computer Knowledge Quiz for NIACL Assistant Mains 2017 - Set 7




Hello and welcome to exampundit. Here is a set of Computer Knowledge Quiz for NIACL Assistant Mains 2017.

1. The main job of a CPU is to
1) carry out program instructions.
2) store data/information for future use.
3) process data and information.
4) Both 1) and 3)
5) None of these


2. A repair for a known software bug, usually available at no charge on the Internet, is called a(n)
1) Version
2) Patch
3) Tutorial
4) FAQ
5) None of these


3. The property that when classes are arranged in a hierarchy, each class assumes the attributes and methods of its ancestors is called
1) generalisation
2) inheritance
3) encapsulation
4) information hiding
5) None of these


4. All of the following are examples of real security and privacy risks except
1) Hackers
2) Spam
3) Viruses
4) Identity theft
5) None of these


5. If you wish to extend the length of the network without having the signal degrade, you would use a
1) repeater
2) router
3) gateway
4) switch
5) None of these


6. Which of the following is used to move down a page in a document?
1) Jump
2) Fly
3) Wriggle
4) Scroll
5) None of these



7. ________ is the process of carrying out commands.
1) Fetching
2) Storing
3) Decoding
4) Coding
5) Executing


8. Which of the following types of viruses are often transmitted by a floppy disk left in the floppy drive?
1) Trojan horse
2) Boot sector
3) Script
4) Logic bomb
5) Worm


9. The binary language consists of________digit(s).
1) 8
2) 2
3) 1,000
4) 1
5) None of these



10. Which of the following is not the basic principle of networks?
1) Each computer must have a network card.
2) There must be communication media connecting the network and hardware devices.
3) There must be at least one connecting device.
4) Each computer must have software that supports the movement of information.
5) None of these


11. For deleting data permanently, we use
1) Delete
2) Shift + Alt + Delete
3) Shift + Delete
4) Erase
5) All the above


12. Integrated circuits are made up of
1) Si
2) Al
3) Mn
4) Mg
5) All the above


13. What is the full form of “XP” in Windows XP?
1) XTRA Power
2) XTREME Programming
3) XTRA Process
4) XTREME Power
5) None of these


14. Which key is used to send a digital signature?
1) Public key
2) Private key
3) Digital key
4) Keypad
5) None of these


15. The first computer made available for commercial use was
1) Mark-I
2) ENIAC
3) UNIVAC
4) EDSAC
5) EDVAC


16. EPROM consists of
1) bipolar transistors
2) Diodes
3) ETL
4) MOSFETs
5) None of these


17. ________ is not an Internet connection.
1) Broadband
2) WWAN
3) DSL
4) WLAN
5) Dial-up


18. The output quality of a printer is measured by
1) dots per sq inch
2) dots per inch
3) dots printed per unit
4) dots printed per line
5) Both 1) and 2)


19. IEEE ________ standard is used for wireless LAN.
1) 802.12
2) 802.13
3) 802.15
4) 802.11
5) 802.10


20. DNS is extremely important for the correct functioning of the Internet. To do so, it
1) encrypts data
2) maps symbolic names for machines onto their IP address
3) translates message into machine language
4) All the above

5) None of these



Answers:
1. 4 
2. 2 
3. 2 
4. 2 
5. 1
6. 4 
7. 5 
8. 2 
9. 2 
10. 2
11. 3 
12. 1
13. 5; The letters “XP” stand for “eXPerience”, meaning the operating system was meant to be a new type of user experience.
14. 2; Private key is used, because it is known to user only.
15. 3 
16. 4 
17. 2 
18. 1 
19. 4
20. 2; DNS (Domain Name System) acts as a resolutor which maps names onto IP address and vice versa.




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