18-02-2013, 09:12 AM
Knowledge Question Paper 2012
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1. A floating point is said to be normalized if the most significant digit of the mantissa is —–
a) Zero
b) Non-Zero
c) Negative
d) Positive
e) None of these
Ans : b) Non-Zero
2. Which of the following applications is suitable for FIFO Queue?
a) An inventory of parts is to be processed by part number
b) A dictionary of words used by a spelling checker id to be created.
c) A program to solve a maze is to back track to an earlier position when a dead end position is reached.
d) A program to keep track of patients as the check into clinic,assigning them to doctors a first come, first served basis
e) None of these
Ans : c) A program to solve a maze is to back track to an earlier position when a dead end position is reached.
3. The field that investigates the mechanics of human intelligence is:
a) Artificial science
b) Cognitive science
c) Psychology
d) Sociology
e) None of these
Ans : b) Cognitive science
4. Which data structure is needed to convert infix notation to post fix notation is
a) Branch
b) Queue
c) Tree
d) Stack
e) None of these
Ans: d) Stack
5. Data are followed to be transmitted in only one direction in a:
a) Simplex channel
b) Dump channel
c) Half-Duplex channel
d) Full duplex channel
e) None of these
Ans : a) Simplex channel
6. Which of the following statement is not true regarding graph?
a) A graph consists of set of nodes and a set of arcs
b) A graph is a tree
c) A tree is a graph
d) Graphs can be directed
e) None of these
Ans : c) A tree is a graph
7. Implementation of an inverted list to maintain the record list for each value for a given attribute can be done by —
a) Sequential file
b) Direct file
c) Indexed file
d) Indexed sequential
e) None of these
Ans : a) Sequential file
8. A 6-MHz channel is used by digital signaling system utilizing 4 – level signals. What is maximum possible transmission rate?
a) 1.5 M band/sec
b) 6 M band/sec
c) 12 M band/sec
d) 24 M band/sec
e) None of these
Ans : c) 12 M band/sec
9. Which of the following is a type of ISDN (Integrated Services Digital Network)?
a) Narrow band
b) Broad band
c) Both (a) and (b)
d) Medium band
e) None of these
Ans : c) Both (a) and (b)
10. Which of the following is easiest software development process model?
a) Waterfall model
b) Prototyping
c) Interactive enhancement
d) Spiral model
e) None of these
Ans : a) Waterfall model
11. Which of the following feature is related to virtual circuit?
a) Connection oriented
b) Each packet sent is routed independently of its predecessors
c) Successive packets may follow different routes
d) Congestion control is difficult
e) None of these
Ans: a) Connection oriented
12. Which one of the following interrupt is non-makeable?
a) TRAP
b) RST 7.5
c) INTR
d) RST 6.5
e) None of these
Ans : a) TRAP
13. Binding the same name to multiple operations whose signatures differ in number or types of arguments?
a) Overloading
b) Origin class
c) Object model
d) Package
e) None of these
Ans : a) Overloading
14. The C declaration in A [3] [5] of containing …….. elements is itself an array containing …… integers.
a) 3, 5
b) 5, 3
c) 3, 3
d) 5, 5
Ans : a) 3, 5
15. What is the drawback of infrared and millimeter waves?
a) They are directional
b) They cannot pass throught solid objects.
c) License is needed
d) Can be used outdoor
e) None of these
Ans : b) They cannot pass throught solid objects.
16. Indexes created from a sequential (or sorted) set of primary keys are referred to as —-
a) Indexed file organization
b) Sequential file
c) Index sequential
d) All of the above
e) None of these
Ans : c) Index sequential
17. A central computer surrounded by one or more satellite computers is called
a) Bus network
b) Ring network
c) Star network
d) All of the above
e) None of these
Ans : c) Star network
18. Which of the following is a major component of the telephone system?
a) Local loop
b) Trunks
c) Switching office
d) All of these
e) None of these
Ans: d) All of these
19. A linear list of elements in which deletion can be done from one end and insertion can take place only at other end (rear) is known as
a) Queues
b) Stacks
c) Trees
d) Branch
e) None of these
Ans : a) Queues
20. For tree, which of the following list traversing through the entire list is not necessary?
a) Circular list
b) Singly linked list
c) Doubly linked list
d) Both (2) and (3) above
e) None of these
Ans : a) Circular list
21. Which of the following is not included in DML (data manipulation language)?
(a)INSERT
(b) UPDATE
© DELETE
(d) CAREATE
(e) None of these
Ans : (d) CAREATE
22. Which of the following communications service provides messages preparation And transmission facilities
(a) Teletex
(b) Teletext
© x.400
(d) fax
(e) none of these
Ans : (a) Teletex
23. Which of the following scheduler is in charge of handling the swapped out process?
(a) Short term
(b) Long term
© Medium term
(d) Both(1) and(2)
(e)none of these
Ans : © Medium term
24. Which of the following is not used as a data structure?
(a)Array
(b) Linked list
© Graph
(d) Directory
(e) none of these
Ans : (d) Directory
25. Which of the following statement is not true in context of strings in c language?
(a) It is array of characters
(b) last character of character array is always ‘/o’
© C inserts the null character automatically
(d) Any string in c can be read by the function getchar 0
(e) None of these
Ans : (d) Any string in c can be read by the function getchar 0
26. Which command will be used with vi editor to append text at end of line?
(a) A
(b) a
© i
(d) I
(e)none these
Ans : (a) A
27. Which the result of a computation depends on the speed of the processes involved there
Is said to be
(a)cycle stealing
(b) race condition
©a time look
(d) a deadlock
(e) None of these
Ans : (b) race condition
28. Which of the following feature is true regarding concatenated virtual circuits?
(a) A sequence of virtual circuits is set up from source through one or more gate ways to the destination
(b) Each gateway maintains table telling which virtual circuit pass through it
© The scheme works best when all the networks have roughly the same properties
(D) All of the above
(e) None these
Ans : (e) None these
29. A compiler which runs on one machine and generates a code for another machine
(a)Bootstrap
(b) Cross-compiler
© Lexical analyzer
(d) All of the above
(e) None of these
30. Banker’s algorithm for resource allocation deals with
(a) Dead look preventation
(b) Dead look avoidance
© Dead look recovery
(e) Mutual exclusion
(f) None of these
Ans : (b) Dead look avoidance