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Thursday 11 July 2013

UGC NET JUNE 2012 SOLVED PAPER II PART-1

 UGC NET JUNE 2013 SYLLABUS, MODEL PAPER/ PREVIOUS YEARS SOLVED QUESTION PAPERS.
UGC NET (NATIONAL ELIGIBILITY TEST) : OLD SOLVED/PREVIOUS EXAM QUESTION PAPERS WITH SOLUTIONS AND EXPLANATIONS AND FREE STUDY MATERIALS.
COMPUTER MEMORY BASED PREVIOUS YEARS SOLVED PAPERS I, II AND III TO PREPARE AND PASS THE UGC NET/SLET ENTRANCE EXAMINATION WITH HIGH PERCENTAGE.
COMPUTER BASIC QUESTIONS FOR BANK EXAM, HTAT, CTAT, TAT, UGC-NET, INTERVIEW AND OTHER EXAM'S, WHERE BASIC QUESTION'S ARE REQUIRED. 

NOTE: Move mouse over your answer to see your  answer is right or wrong.
1. The postfix expression AB + CD – * can be evaluated using a
(A) stack
(B) tree
(C) queue
(D) linked list

2. The post order traversal of a binary tree is DEBFCA. Find out the preorder traversal.
(A) ABFCDE
(B) ADBFEC
(C) ABDECF
(D) None of the above

3. The branch logic that provides making capabilities in the control unit is known as
(A) Controlled transfer
(B) Conditional transfer
(C) Unconditional transfer
(D) None of the above

4. The number of colours required to properly colour the vertices of every planer graph is
(A) 2
(B) 3
(C) 4
(D) 5

Note: 2 colour may not be apply for every planer graph

5. Networks that use different technologies can be connected by using
(A) Packets
(B) Switches
(C) Bridges
(D) Routers

6. Both hosts and routers are TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which protocol software is not needed by a router is
(A) Layer – 5 (Application)
(B) Layer – 1 (Physical)
(C) Layer – 3 (Internet)
(D) Layer – 2 (Network Interface)

7. In multiuser database if two users wish to update the same record at the same time, they are prevented from doing so by
(A) Jamming
(B) Password
(C) Documentation
(D) Record lock

8. A binary search tree is a binary tree :
(A) All items in the left subtree are less than root
(B) All items in the right subtree are greater than or equal to the root
(C) Each subtree is itself a binary search tree
(D) All of the above

9. What deletes the entire file except the file structure ?
(A) ERASE
(B) DELETE
(C) ZAP
(D) PACK

10. Which command is the fastest among the following ?
(A) COPY TO <NEW FILE>
(B) COPY STRUCTURE TO <NEW FILE>
(C) COPY FILE <FILE 1> <FILE 2>
(D) COPY TO MFILE-DAT DELIMITED

11. B+ tree are preferred to binary tree in Database because
(A) Disk capacity are greater than memory capacities
(B) Disk access is much slower than memory access
(C) Disk data transfer rates are much less than memory data transfer rate
(D) Disks are more reliable than memory

12. A Transaction Manager is which of the following ?
(A) Maintains a log of transactions
(B) Maintains before and after database images
(C) Maintains appropriate concurrency control
(D) All of the above

13. Leaves of which of the following trees are at the same level ?
(A) Binary tree
(B) B-tree
(C) AVL-tree
(D) Expression tree

14. Which of the following TCP/IP Internet protocol is diskless machine uses to obtain its IP address from a
server ?
(A) RAP
(B) RIP
(C) ARP
(D) X.25

15. Decryption and encryption of data are the responsibility of which of the following layer ?
(A) Physical layer
(B) Data Link layer
(C) Presentation layer
(D) Session layer

16. In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?
(A) Space division
(B) Time division
(C) Virtual
(D) Packet

17. In which Routing Method do all the routers have a common database ?
(A) Distance vector
(B) Link state
(C) Link vector
(D) Dijkestra method

18. Page Shift Keying (PSK) Method is used to modulate digital signal at 9600 bps using 16 level. Find the line signals and speed (i.e. modulation rate).
(A) 2400 bauds
(B) 1200 bauds
(C) 4800 bauds
(D) 9600 bauds
Hint: D = R/b or D = R/log2 L
where D= modulation rate in baud ; R data rate in bps; L number of di erent signal elements; b number of bits per signal element

19. The station to hub distance in which it is 2000 metres.
(A) 100 Base-Tx
(B) 100 Base-Fx
(C) 100 Base-T4
(D) 100 Base-T1

20. Main aim of software engineering is to produce
(A) program
(B) software
(C) within budget
(D) software within budget in the given schedule

21. Key process areas of CMM level 4 are also classified by a process which is
(A) CMM level 2
(B) CMM level 3
(C) CMM level 5
(D) All of the above

22. Validation means

(A) are we building the product right
(B) are we building the right product
(C) verification of fields
(D) None of the above

23. If a process is under statistical control, then it is
(A) Maintainable
(B) Measurable
(C) Predictable
(D) Verifiable

24. In a function oriented design, we
(A) minimize cohesion and maximize coupling
(B) maximize cohesion and minimize coupling
(C) maximize cohesion and maximize coupling
(D) minimize cohesion and minimize coupling

25. Which of the following metric does not depend on the programming language used ?
(A) Line of code
(B) Function count
(C) Member of token
(D) All of the above
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