51. Consider
the following two function declarations :
(i) int *f( ) (ii) int (*f)( )
Which of the following is true?
(A) Both are identical.
(B) The first is a correct declaration and
the second is wrong.
(C) Both are different ways of declaring
pointer to a function.
(D) The first declaration is a function
returning a pointer to an integer and the second is a pointer to function returning
integer.
Answer: D
52. Assume
that we have constructor function for both Base and Derived classes. Now
consider the declaration :
main ( )
Base *p = new Derived;
In what sequence, the constructor will be
executed?
(A) Derived class constructor is followed by
Base class constructor.
(B) Base class constructor is followed by
Derived class constructor.
(C) Base class constructor is never called.
(D) Derived class constructor is never
called.
Answer: B
53. What
is the output of the following program?
#include<stdio.h>
main( )
{
int a, b = 0;
static int c[10] = {1, 2, 3, 4, 5, 6, 7, 8,
9, 0};
for (a=0; a<10;++a);
if ((c[a]%2)= =0) b+=c[a];
printf(“%d”,b);
}
(A) 15
(B) 25
(C) 45
(D) 20
Answer: D
54. A
Program contains the following declarations and initial assignments
int i = 8, j = 5;
double x = 0.005, y = –0.01;
char c=’c’, d=’d’;
Determine the value of the following expressions
which involve the use of library functions:
abs(i-2*j) ; log(exp(x)) ; toupper(d)
(A) 2; 0.005; D
(B) 1; 0.005; D
(C) 2; 0.005; E
(D) 1; 0.005; e
Answer: A
55. MPEG
involves both spatial compression and temporal compression. The spatial compression
is similar to JPEG and temporal compression removes .............. frames.
(A) Temporal
(B) Voice
(C) Spatial
(D) Redundant
Answer: D
56. If
the data unit is 111111 and the divisor is 1010. In CRC method, what is the
dividend at the transmission before division?
(A) 1111110000
(B) 1111111010
(C) 111111000
(D) 111111
Answer: C
57. If
user A wants to send an encrypted message to user B. The plain text of A is
encrypted with the .................
(A) Public Key of user A
(B) Public Key of user B
(C) Private Key of user A
(D) Private Key of user B
Answer: B
58. A
............... can forward or block packets based on the information in the
network layer and transport layer header.
(A) Proxy firewall
(B) Firewall
(C) Packet filter firewall
(D) Message digest firewall
Answer: A
59. Which
of the following graphics devices are known as active graphics devices?
(i) Alphanumeric devices
(ii) Thumb wheels
(iii) Digitizers
(iv) Joystics
(A) (i) and (ii)
(B) (iii) and (iv)
(C) (i), (ii) and (iii)
(D) (i), (ii), (iii) and (iv)
Answer: D
60. A
diametric projection is said to be trimetric projection when
(i) two of the three foreshortening factors
are equal and third is arbitrary.
(ii) all of the three foreshortening factors
are equal.
(iii) all of the three foreshortening factors
are arbitrary.
Which of the above is true?
(A) (i) and (ii)
(B) (ii) and (iii)
(C) (i) only
(D) (iii) only
Answer: C
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