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Computer Science MCQS For PAF, PPSC, NTS And FPSC Test

Computer Science Quizz Mcqs For Free In PDF

8. _________ uses liquid crystal between the glass plates.
(A) ELD
(B) LCD
(C) CRT
(D) None of These

9. Open System Interconnection(OSI) model consists of _________ layers.
(A) Eight
(B) Six
(C) Seven
(D) Five

10. MHz stands for?
(A) Millihertz
(B) Microhertz
(C) Megahertz
(D) None Of These

11. DRAM stands for?
(A) Digital Random Access Memory
(B) Dynamic Random Access Memory
(C) Digital Read Access Memory
(D) Dynamic Read Access Memory

12. CPU consists of the following parts:
(A) Control unit and ALU
(B) CU and Main memory
(C) Main memory and ALU
(D) Operating system and Main memory

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13. What is a diagrammatic way of representing the relationship between the entities in a database?
(A) Flowchart
(B) ERD
(C) DFD
(D) Algorithm

14. Which transmission allows data to travel in both directions but only one direction at a time?
(A) Simplex
(B) Full duplex
(C) Half duplex
(D) Reverse

15. SQL stands for
(A) Structured Query Language
(B) Sequential Query Language
(C) Simple Query Language
(D) None Of These

16. Which number system is used by computers?
(A) digital
(B) decimal
(C) analogue
(D) binary

17. A computer virus that replicates itself is called
(A) Bug
(B) Worm
(C) Bomb
(D) Hoax

18. URL is an abbreviation for
(A) Universal Resource Locator
(B) Uniform Resource Locator
(C) Universal Resource Location
(D) Uniform Resource Location

19. LAN is an abbreviation of
(A) Large Access Network
(B) Local Access Network
(C) Large Area Network
(D) Local Area Network

20. FTP is an abbreviation for
(A) File Transfer Position
(B) File Transfer Protection
(C) File Transfer Protocol
(D) File Transfer Possibility

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