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1. Which of the following data structure is Non-linear type?
(A) Strings
(B) Lists
(C) Stacks
(D) None of the above
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Correct Answer is D
2. The total number of comparisons in a bubble sort is
(A) 0(log n)
(B) 0(n log n)
(C) 0(n)
(D) None of the above
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Correct Answer is B
3. Which of the following is a bad example of recursion?
(A) Factorial
(B) Fibonacci numbers
(C) Tower of Hanai
(D) Tree traversal
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Correct Answer is B
4. Domain and Range of the function Y = √(-2x + 3) is
(A) x≥3/2, y≥0
(B) x≥3/2, y≤0
(C) x≥3/2, y≤0
(D) x≤3/2, y≤0
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Correct Answer is D
5. Maximum number of edges in a n-Node undirected graph without self loop is
(A) n2
(B) n(n – 1)
(C) n(n + 1)
(D) n(n – 1)/2
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Correct Answer is D
6. A hash table has space for 75 records, then the probability of collision before the table is 6% full.
(A) .25
(B) .20
(C) .35
(D) .30
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Correct Answer is B
7. BCC in the internet refers to
(A) Black carbon copy
(B) Blind carbon copy
(C) Blank carbon copy
(D) Beautiful carbon copy
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Correct Answer is B
8. Hub is a term used with
(A) A Star Networks
(B) A Ring Networks
(C) A Router
(D) A Bridge
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Correct Answer is A
9. The amount of uncertainty in a system of symbol is called
(A) Bandwidth
(B) Entropy
(C) Loss
(D) Quantum
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Correct Answer is B
10. Which of the following network access standard disassembler is used for connection station to a packet switched network?
(A) X.3
(B) X.21
(C) X.25
(D) X.75
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Correct Answer is C
11. A station in a network in a network forward incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
(A) Hot potato routing
(B) Flooding
(C) Static routing
(D) Delta routing
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Correct Answer is A
12. Start and stop bits are used in serial communications for
(A) Error detection
(B) Error correction
(C) Synchronization
(D) Slowing down the communication
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Correct Answer is C
13. For a data entry project for office staff who have never used computers before (user interface and user-friendliness are extremely important), one will use
(A) Spiral model
(B) Component based model
(C) Prototyping
(D) Waterfall model
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Correct Answer is C
14. An SRS
(A) establishes the basis for agreement between client and the supplier.
(B) provides a reference for validation of the final product.
(C) is a prerequisite to high quality software.
(D) all of the above.
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Correct Answer is D
15. McCabe’s cyclomatic metric V(G) of a graph G with n vertices, e edges and p connected component is
(A) e
(B) n
(C) e – n + p
(D) e – n + 2p
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Correct Answer is C
16. Emergency fixes known as patches are result of
(A) adaptive maintenance
(B) perfective maintenance
(C) corrective maintenance
(D) none of the above
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Correct Answer is C
17. Design recovery from source code is done during
(A) reverse engineering
(B) re-engineering
(C) reuse
(D) all of the above
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Correct Answer is D
18. Following is used to demonstrate that the new release of software still performs the old one did by rerunning the old tests :
(A) Functional testing
(B) Path testing
(C) Stress testing
(D) Regression testing
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Correct Answer is D
19. The post order traversal of a binary tree is DEBFCA. Find out the preorder traversal.
(A) ABFCDE
(B) ADBFEC
(C) ABDECF
(D) ABDCEF
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Correct Answer is C
20. B+ tree are preferred to binary tree in database because
(A) Disk capacities are greater than memory capacities
(B) Disk access much slower than memory access
(C) Disk data transfer rates are much less than memory data transfer rate
(D) Disk are more reliable than memory
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Correct Answer is B
21. What deletes the entire file except the file structure?
(A) ERASE
(B) DELETE
(C) ZAP
(D) PACK
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Correct Answer is C
22. Which command classes text file, which has been created using
“SET ALTERNATIVE” <FILE NAME > “Command” ?
(A) SET ALTERNATE OFF
(B) CLOSE DATABASE
(C) CLOSE ALTERNATE
(D) CLEAR ALL
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Correct Answer is A
23. Data security threats include
(A) privacy invasion
(B) hardware failure
(C) fraudulent manipulation of data
(D) encryption and decryption
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Correct Answer is C
24. Which of the following statements is true, when structure of database file with 20 records is modified?
(A) ? EOF ( ) Prints T
(B) ? BOF ( ) Prints F
(C) ? BOF ( ) Prints T
(D) ? EOF ( ) Prints F
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Correct Answer is A
25. The SQL Expression
Select distinct T. branch name
from branch T, branch S
where T. assets > S. assets and S. branch-city = DELHI
finds the name of
(A) all branches that have greater asset than any branch located in DELHI.
(B) all branches that have greater assets than allocated in DELHI.
(C) the branch that has the greatest asset in DELHI.
(D) any branch that has greater asset than any branch located in DELHI.
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Correct Answer is A
26. Dijkestra banking algorithm in an operating system, solves the problem of
(A) deadlock avoidance
(B) deadlock recovery
(C) mutual exclusion
(D) context switching
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Correct Answer is A
27. The multiuser operating system, 20 requests are made to use a particular resource per hour, on an average the probability that no request are made in 45 minutes is
(A) e-15
(B) e-5
(C) 1-e-5
(D) 1-e-10
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Correct Answer is A
28. On receiving an interrupt from an I/O device, the CPU
(A) halts for predetermined time.
(B) branches off to the interrupt service routine after completion of the current instruction
(C) branches off to the interrupt service routine immediately.
(D) hands over control of address bus and data bus to the interrupting device.
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Correct Answer is B
29. The maximum amount of information that is available in one portion of the disk access arm for a removal disk pack (without further movement of the arm with multiple heads)
(A) a plate of data
(B) a cylinder of data
(C) a track of data
(D) a block of data
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Correct Answer is B
30. Consider a logical address space of 8 pages of 1024 words mapped with memory of 32 frames. How many bits are there in the physical address?
(A) 9 bits
(B) 11 bits
(C) 13 bits
(D) 15 bits
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Correct Answer is D
31. CPU does not perform the operation
(A) data transfer
(B) logic operation
(C) arithmetic operation
(D) all of the above
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Correct Answer is D
32. A chip having 150 gates will be classified as
(A) SSI
(B) MSI
(C) LSI
(D) VLSI
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Correct Answer is B
33. If an integer needs two bytes of storage, then the maximum value of unsigned integer is
(A) 216 - 1
(B) 215 - 1
(C) 216
(D) 215
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Correct Answer is A
34. Negative numbers cannot be represented in
(A) signed magnitude form
(B) 1’s complement form
(C) 2’s complement form
(D) none of the above
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Correct Answer is D
35. The cellular frequency reuse factor for the cluster size N is
(A) N
(B) N2
(C) 1/N
(D) 1/N2
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Correct Answer is C
36. X - = Y + 1 means
(A) X = X - Y + 1
(B) X = -X - Y - 1
(C) X = -X + Y + 1
(D) = X - Y - 1
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Correct Answer is A
37. Handoff is the mechanism that
(A) transfer an ongoing call from one base station to another
(B) initiating a new call
(C) dropping an ongoing call
(D) none of above
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Correct Answer is A
38. Which one of the following statement is false?
(A) Context-free languages are closed under union.
(B) Context-free languages are closed under concatenation.
(C) Context-free languages are closed under intersection.
(D) Context-free languages are closed under Kleene closure.
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Correct Answer is D
39. All of the following are examples of real security and privacy risks except
(A) Hackers
(B) Spam
(C) Viruses
(D) Identify theft
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Correct Answer is B
40. Identify the incorrect statement :
(A) The ATM adoption layer is not service dependent.
(B) Logical connections in ATM are referred to as virtual channel connections.
(C) ATM is streamlined protocol with minimal error and flow control capabilities
(D) ATM is also known as cell delays.
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Correct Answer is A
41. Software risk estimation involves following two tasks :
(A) Risk magnitude and risk impact
(B) Risk probability and risk impact
(C) Risk maintenance and risk impact
(D) Risk development and risk impact
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Correct Answer is B
42. The number of bits required for an IPV6 address is
(A) 16
(B) 32
(C) 64
(D) 128
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Correct Answer is D
43. The proposition ~q∨p is equivalent to
(A) p→q
(B) q→p
(C) p↔q
(D) p∨q
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Correct Answer is B
44. Enterprise Resource Planning (ERP)
(A) has existed for over a decade.
(B) does not integrate well with the functional areas other than operations.
(C) is inexpensive to implement.
(D) automate and integrates the majority of business processes.
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Correct Answer is D
45. Which of the following is false concerning Enterprise Resource Planning (ERP)?
(A) It attempts to automate and integrate the majority of business processes.
(B) It shares common data and practices across the enterprise.
(C) It is inexpensive to implement.
(D) It provides and access information in a real-time environment.
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Correct Answer is C
46. To compare, overlay or cross analyze to maps in GIS
(A) both maps must be in digital form
(B) both maps must be at the same equivalent scale.
(C) both maps must be on the same coordinate system
(D) All of the above
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Correct Answer is D
47. Web Mining is not used in which of the following areas?
(A) Information filtering
(B) Crime fighting on the internet
(C) Online transaction processing
(D) Click stream analysis.
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Correct Answer is B
48. A telephone conference call is an example of which type of communications?
(A) same time / same place
(B) same time / different place
(C) different time / different place
(D) different time / same place
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Correct Answer is B
49. What is the probability of choosing correctly an unknown integer between 0 and 9 with 3 chances?
(A) 963/1000
(B) 973/1000
(C) 983/1000
(D) 953/1000
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Correct Answer is A
50. The number of nodes in a complete binary tree of height h (with roots at level 0) is equal to
(A) 20 + 21 + ….. 2h
(B) 20 + 21 + ….. 2h-1
(C) 20 + 21 + ….. 2h+1
(D) 20 + ….. 2h+1
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Correct Answer is A
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