UGC NET Previous Years Solution: Computer Science and Application Questions with Answers for 2009 December Paper II - Q.37 - Q.50

Computer Science and Application UGC-NET 2009 December Paper II - Q.37 - Q.50

37. A page fault
(A) is an error specific page
(B) is an access to the page not currently in memory
(C ) occur when a page program occur in a page memory.
(D ) page used in the previous page reference.
Ans:- B

38. A semaphore count of negative n means (s=-n) that the queue contains ___n__________ waiting processes.
(A) n + 1 (B) n (C) n – 1 (D) 0
Ans:- B
39. A program is located in the smallest available hole in the memory is ______________
(A) best-fit (B) first-bit (C ) worst-fit (D ) buddy
Ans:- A

40. The unix command used to find out the number of characters in a file is
(A) nc (B) wc (C ) chcnt (D) lc
Ans:- B

41. Software Engineering is a discipline that integrates __________ for the development of computer software.
(A) Process (B) Methods (C ) Tools (D) All
Ans:- D

42. Any error whose cause cannot be identified anywhere within the software system is called _________________.
(A) Internal error (B) External error
(C ) Inherent error (D) Logic error
Ans:- B

43. Recorded software attributes can be used in the following endeavours:
(i) Cost and schedule estimates.
(ii) Software product reliability predictions
(iii )Managing development process
(iv). No where
Codes:
(A) (i) (ii) (iv)
(B) (ii) (iii) (iv)
(C) (i) (ii) (iii)
(D) (i) (ii) (iii) (iv)
Ans :- C

44. Black box testing is done
(A) To show that s/w is operational at its interfaces i.e. input and output.
(B) To examine internal details of code
(C) At client side
(D) None of the above
Ans:- A

45. The name of the transaction file shall be provided by the operator and the file that contains the edited transactions ready for execution shall be called
(A) Batch.exe (B) Trans.exe (C ) Opt.exe (D) Edit.exe
Ans:- C

46. The single stage network is also called
(A) One sided network (B) two sided network (C ) recirculating network
(E) pipeline network
Ans:- C. The single stage network is also called a recirculating network.

47. Analysis of large database to retrieve information is called
(A) OLTP (B) OLAP (C ) OLDP (D) OLPP
Ans:- B

48. Which technology is sometime referred to as wireless cable?
(A) MMDS (B) ATM (C ) LMDS (D) CDMA
Ans:- A.
Explanation: MMDS stands for multipoint multichannel distribution system. MMDS is a broadband wireless technology.

49. Another name of IEEE 802.11 a is ______________
(A) Wi-Max (B) Fast Ethernet (C) Wi-fi (D) 802.11 g
Ans:- C.
Explanation: IEEE 802.11 standards provide the basis for Wi-fi networks.

50. The unlicensed National Information Infrastructure band operates at the ____________frequency
(A) 2.4 GHz (B) 5 GHz (C ) 33 MHz (D) 5 MHz
Ans:- B