| C TEST
This test consists of 50 questions. The Set Code for this paper is D.
1. The C language terminator
is
(a)
semicolon
(b)
colon
(c)
period
(d) exclamation mark
2. What is false about the following -- A compound statement
is
(a) A set of simple
statements
(b) Demarcated on either side by curly
brackets
(c) Can be used in
place of simple
statement
(d) A C function is not a compound statement.
3. What is true about the following C
Functions
(a) Need not
return any
value
(b) Should always return an
integer
(c) Should always
return a
float
(d) Should always return more than one value
4. Main must be written
as
(a) The first function in
the
program
(b) Second function in the
program
(c) Last function in
the
program
(d) Any where in the program
5. Which of the following about automatic variables within a function
is correct ?
(a) Its type
must be declared before using the
variable
(b) They are local
(c) They
are not initialized to
zero
(d) They are global
6. Write one statement equivalent to the following two
statements: x=sqr(a); return(x);
Choose from one of the
alternatives
(a)
return(sqr(a));
(b) printf("sqr(a)");
(c)
return(a*a*a);
(d) printf("%d",sqr(a));
7. Which of the following about the C comments is incorrect
?
(a) Comments can go over
multiple lines
(b) Comments
can start any where in the
line
(c) A line can contain
comments with out any language
statements
(d) Comments can
occur within comments
8. What is the value of y in the following
code?
x=7;
y=0;
if(x=6) y=7;
else y=1;
(a)
7
(b)
0
(c)
1
(d) 6
9. Read the function conv() given
below
conv(int
t)
{
int u;
u=5/9 *
(t-32);
return(u);
}
What is
returned
(a)
15
(b)
0
(c)
16.1
(d) 29
10. Which of the following represents true statement either x is in the
range of 10 and 50 or y is
zero
(a) x >= 10
&& x <= 50 || y = =
0
(b) x<50
(c) y!=10
&&
x>=50
(d) None of these
11. Which of the following is not an infinite loop
?
(a) while(1)\{
....}
(b) for(;;){...}
(c)
x=0;
(d) # define TRUE 0
do{
/*x unaltered within the
loop*/
...
.....}while(x = =
0);
while(TRUE){ ....}
12. What does the following function
print?
func(int
i)
{
if(i%2)return 0;
else return
1;
}
main()
{
int
=3;
i=func(i);
i=func(i);
printf("%d",i);
}
(a)
3
(b)
1
(c)
0
(d) 2
13. How does the C compiler interpret the following two
statements
p=p+x;
q=q+y;
(a) p=
p+x;
(b)p=p+xq=q+y;
(c)p=
p+xq;
(d)p=p+x/q=q+y;
q=q+y;
q=q+y;
For questions 14,15,16,17 use the following
alternatives:
a.int
b.char
c.string
d.float
14. '9'
15. "1 e 02"
16. 10e05
17. 15
18. Read the folllowing
code
# define MAX
100
# define MIN
100
....
....
if(x>MAX)
x=1;
else
if(x<MIN)
x=-1;
x=50;
if the initial value of x=200,what is the value after executing
this code?
(a)
200
(b)
1
(c)
-1
(d) 50
19. A memory of 20 bytes is allocated to a string declared as char *s
then the following two statements are
executed:
s="Entrance"
l=strlen(s);
what is the
value of l ?
(a)20
(b)8
(c)9
(d)21
20. Given the piece of
code
int
a[50];
int
*pa;
pa=a;
To access the 6th
element of the array which of the following is
incorrect?
(a)
*(a+5)
(b)
a[5]
(c)
pa[5]
(d) *(*pa + 5}
21. Consider the following
structure:
struct num
nam
{
int
no;
char
name[25];
}
struct num nam
n1[]={{12,"Fred"},{15,"Martin"},{8,"Peter"},{11,Nicholas"}};
.....
.....
printf("%d%d",n1[2],no,(*(n1 + 2),no) + 1);
What
does the above statement
print?
(a)
8,9
(b)
9,9
(c)
8,8
(d) 8,unpredictable value
22. Identify the in correct
expression
(a)a=b=3=4;
(b)a=b=c=d=0;
(c)float a=int b= 3.5; (d)int a;
floatb;a=b=3.5;
23. Regarding the scope of the varibles;identify the incorrect
statement:
(a) automatic variables are automatically initialized to
0 (b) static variables are are automatically initialized
to 0
(c) the address of a register variable is not
accessible (d) static variables cannot
be initialized with any expression
24. cond 1?cond 2?cond 3?:exp 1:exp 2:exp 3:exp 4;
is equivalent to
which of the
following?
(a) if cond
1
exp
1;
else if cond
2
exp
2;
else if cond
3
exp
3;
else exp
4;
(b) if cond
1
if cond
2
if cond
3
exp 1;
else exp
2;
else exp
3;
else exp
4;
(c) if cond 1 && cond 2 && cond
3
exp 1 |exp 2|exp 3|exp
4;
(d) if cond
3
exp
1;
else if cond 2 exp
2;
else if cond 3 exp
3;
else exp 4;
25. The operator for exponentiation
is
(a)
**
(b)
^
(c)
%
(d) not available
26. Which of the following is
invalid
(a)
a+=b
(b)
a*=b
(c)
a>>=b
(d) a**=b
27. What is y value of the code if input
x=10
y=5;
if
(x==10)
else
if(x==9)
else y=8;
(a)9
(b)8
(c)6
(d)7
28. What does the following code
do?
fn(int n, int p, int
r)
{
static int
a=p;
switch(n)
{
case
4:a+=a*r;
case
3:a+=a*r;
case
2:a+=a*r;
case
1:a+=a*r;
}
}
(a) computes simple interest for one
year
(b) computes amount on compound interest for 1 to 4 years
(c) computes
simple interest for four
year
(d) computes compound interest for 1 year
29.
a=0;
while(a<5)
printf("%d\\n",a++);
How many times does the loop
occurs?
(a)
infinite
(b)5
(c)4
(d)6
30. How many times does the loop iterated
?
for(i=0;i=10;i+=2)
printf("Hi\\n");
(a)10
(b)
2
(c)
5
(d) None of these
31. What is incorrect among the
following
A recursive
function
(a) calls
itself
(b) is equivalent to a
loop
(c) has a termination
condition
(d) does not have a return value at all
32. Which of the following go out of the loop if expn 2 becoming
false
(a) while(expn
1)\{...if(expn 2)continue;} (b)
while(!expn 1)\{if(expn
2)continue;...}
(c)
do{..if(expn 1)continue;..}while(expn 2); (d) while(!expn
2)\{if(expn 1)continue;..\}
33. Consider the following
program
main()
{
unsigned int
i=10;
while(i>=0)
{
printf("%u",i)
i--;
}
}
How many times the loop will get
executed
(a)10
(b)9
(c)11
(d) infinite
34.Pick out the odd one
out
(a)
malloc()
(b)
calloc()
(c)
free()
(d) realloc()
35.Consider the following
program
main()
{
int
a[5]={1,3,6,7,0};
int
*b;
b=&a[2];
}
The value of b[-1]
is
(a)
1
(b)
3
(c)
-6
(d) none
36.
# define
prod(a,b)=a*b
main()
{
int
x=2;
int y=3;
printf("%d",prod(x+2,y-10));
}
the output of the program is
(a)
8
(b)
6
(c)
7
(d) None
37.Consider the following program
segment
int
n,sum=1;
switch(n)
{
case
2:sum=sum+2;
case
3:sum*=2;
break;
default:sum=0;
}
If n=2, what is the value of
sum
(a)
0
(b)
6
(c)
3
(d) None of these
38. Identify the incorrect
one
1.if(c=1)
2.if(c!=3)
3.if(a<b)then
4.if(c==1)
(a) 1
only
(b)
1&3
(c) 3
only
(d) All of the above
39. The format specified for hexa decimal
is
(a)
%d
(b)
%o
(c)
%x
(d) %u
40. Find the output of the following
program
main()
{
int x=5,
*p;
p=&x
printf("%d",++*p);
}
(a)
5
(b)
6
(c)
0
(d) none of these
41.Consider the following C
code
main()
{
int
i=3,x;
while(i>0)
{
x=func(i);
i--;
}
int func(int
n)
{
static
sum=0;
sum=sum+n;
return(sum);
}
}
The final value of x
is
(a)
6
(b)
8
(c)
1
(d) 3
43. Int *a[5] refers to
(a) array of pointers (b)
pointer to an array (c) pointer
to a pointer (d)
none of these
44.Which of the following statements is
incorrect
(a)
typedef struct
new
{
int
n1;
char
n2;
} DATA;
(b)
typedef struct
{
int
n3;
char
*n4;
}ICE;
(c)
typedef
union
{
int
n5;
float
n6;
} UDT;
(d)
#typedef union
{
int n7;
float
n8;
} TUDAT; | 
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