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 statments
b. Demarcated on either side by curly brackets
c. Can be used in place of simple statement
d. 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 initialised to zero
d. they are global.
6.Write one statement equalent 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. comment scan go over multiple lines
b. comments can start any where in the line
c. 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
a.15
b.0
c.16.1
d.29
10.which of the following represents true statement
either x is inthe 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;
do{
/*x unaltered within theloop*/
...
}while(x==0);
d.# define TRUE 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; q=q+y
b.p=p+xq=q+y
c.p=p+xq; q=q+y
d.p=p+x/q=q+y
14. Read the following 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
15. 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
16. 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}
17. 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
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 vlaue 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="Etrance"
l=strlen(s);
what is the value of l ?
a.20
b.8
c.9
d.21
20. 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; float b;a=b=3.5;
19. Regarding the scope of
the varibles;identify the incorrect statement:
(a)
automatic variables are automatically initialized to 0
(b)
static variables are areautomatically
initialized to 0
(c)
the
address of a register variable is not accessible
(d)
static variables cannot be initialized with
any expression
20. The operator for
exponentiation is
(a)
** (b) ^ (c) % (d)
not available
21. Which of the following
is invalid
(a) a+=b (b) a*=b (c)
a>>=b (d) a**=b
22. 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
Giving error message
23. What will be the output?
a=0;
while(a<5)
printf("%d\n",a++);
How many times does the loop
occurs?
(a) infinite (b)5 (c)4 (d)6
24. 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
25. 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
26. Pick out the odd one out
(a) malloc() (b) calloc() (c)
free() (d)
realloc()
27. # 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
No comments:
Post a Comment