COMPUTER AWARENESS TEST
1.In the command scanf, h is used for
Ans. Short int
2.A process is defined as
Ans. Program in execution
3.A thread is
Ans. Detachable unit of executable code)
4.What is the advantage of Win NT over Win 95
Ans. Robust and secure
5.How is memory management done in Win95
Ans. Through paging and segmentation
6.What is meant by polymorphism
Ans. Redfinition of a base class method in a derived class
7.What is the essential feature of inheritance
Ans. All properties of existing class are derived
8.What does the protocol FTP do
Ans. Transfer a file b/w stations with user authentification
9.In the transport layer ,TCP is what type of protocol
Ans. Connection oriented
10.Why is a gateway used
Ans. To connect incompatible networks
11.How is linked list implemented
Ans. By referential structures
12.What method is used in Win95 in multitasking
Ans. Non preemptive check
13.What is meant by functional dependency
14.What is a semaphore
Ans. A method synchronization of multiple processes
15.What is the precedence order from high to low ,of the symbols ( ) ++ /
Ans.( ) , ++, /
16.Preorder of A*(B+C)/D-G
Ans.*+ABC/-DG
18. B-tree (failure nodes at same level)
19. Dense index (index record appers for every search -key in file)
20.What is the efficiency of merge sort
Ans. O(n log n)
21.A program on swaping ( 10,5 )was given (candidate cannot recollect)
22.In which layer are routers used
Ans.In network layer
23.In which layer are packets formed ( in network layer )
24.heap ( priority queue )
25.copy constructor ( constant reference )
26.Which of the following sorting algorithem has average sorting behavior --
Bubble sort,merge sort,heap sort,exchange sort
Ans. Heap sort
27.In binary search tree which traversal is used for getting ascending order values--Inorder ,post
order,preorder
Ans.Inorder
28.What are device drivers used for
Ans.To provide software for enabling the hardware
29. Irrevalent to unix command ( getty)
30.What is fork command in unix
Ans. System call used to create process
31.What is make command in unix
Ans. Used forcreation of more than one file
32.In unix .profile contains
Ans. Start up program
33.In unix echo is used for ( answer C)
34.In unix 'ls 'stores contents in
Ans.inode block
QUANTITATIVE SECTION
1.In a class composed of x girls and y boys what part of the class is composed of girls
A.y/(x + y)
B.x/xy
C.x/(x + y)
D.y/xy
Ans.C
2.What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of
cream(2 pt.=1 qt. and 4 qt.=1 gal)
A.16
B.24
C.30
D.64
Ans.D
3.If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3
A.0
B.1
C.-1
D.4
Ans.B
4.A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p.
a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive
grade,how much will the shop save in blending 100 gms.
A.Rs.90
B.Rs.1.00
C.Rs.3.00
D.Rs.8.00
Ans.C
5.There are 200 questions on a 3 hr examination.Among these questions are 50 mathematics
problems.It is suggested that twice as much time be spent on each maths problem as for each
other question.How many minutes should be spent on mathematics problems
A.36
B.72
C.60
D.100
Ans.B
6.In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either.How
many of these studied both Latin and Greek
A.0
B.3
C.4
D.5
Ans.B
7.If 13 = 13w/(1-w) ,then (2w)2 =
A.1/4
B.1/2
C.1
D.2
Ans.C
8. If a and b are positive integers and (a-b)/3.5 = 4/7, then
(A) b < a
(B) b > a
(C) b = a
(D) b >= a
Ans. A
9. In june a baseball team that played 60 games had won 30% of its game played. After a
phenomenal winning streak this team raised its average to 50% .How many games must the team
have won in a row to attain this average?
A. 12
B. 20
C. 24
D. 30
Ans. C
10. M men agree to purchase a gift for Rs. D. If three men drop out how much more will each have
to contribute towards the purchase of the gift/
A. D/(M-3)
B. MD/3
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