UGC Net Computer Science Paper 1 December 12 , Page 3-Solved

25. ALU stands for
(A) American Logic Unit
(B) Alternate Local Unit
(C) Alternating Logic Unit
(D) Arithmetic Logic Unit
Answer : D

26. A Personal Computer uses a number of chips mounted on a circuit board called

(A) Microprocessor

(B) System Board

(C) Daughter Board

(D) Mother Board

Answer : A

27. Computer Virus is a

(A) Hardware

 (B) Bacteria

(C) Software 

(D) None of these

Answer : C

28. Which one of the following is correct ?

(A) (17)10 = (17)16

(B) (17)10 = (17)8

(C) (17)10 = (10111)2

(D) (17)10 = (10001)2

Answer : D

29. The file extension of MS-Word document in Office 2007 is _______.

(A) .pdf 

(B) .doc

(C) .docx

 (D) .txt

Answer : C

30. _______ is a protocol used by e-mail clients to download e-mails to your computer.

(A) TCP 

(B) FTP

(C) SMTP

 (D) POP

Answer : C

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