The number of arguments to the program

The first argument to the program

Changing the way you learn

Question 1

Question

A C variable name can start with a ____

Answer

Number
Plus Sign (+)
Underscore
Asterisk (*)

Question 2

Question

Name the loop that executes at least once.

Answer

for
if
do-while
while

Question 3

Question

A pointer pointing to a memory location of the variable even after deletion of the variable is known as _____

Answer

far pointer
dangling pointer
null pointer
void pointer

Question 4

Question

Which of the following correctly shows the hierarchy of arithmetic operations in C?

Answer

/ + * -
* - / +
+ - / *
/ * + -

Question 5

Question

The output of the following code is: main() { int z, a = 5, b = 3; z = a * 2 + 26 % 3; printf("%d", z); }

Answer

10
0
12
None of the above

Question 6

Question

The output of the following code is: void main() { char a = 'B'; switch (a) { case 'A' : printf("a"); case 'B' : printf("b"); default : printf("c"); } }

Answer

Question 7

Question

What is the output of this C code? main() { int x=35; printf("%d %d %d",x==35,x=50,x>40); }

Answer

1 50 1
0 50 0
Runtime error
Compile time error

Question 8

Question

Which among the following is NOT a logical or relational operator?

Answer

Question 9

Question

Which of the following is not a correct variable type?

Answer

float
real
int
double

Question 10

Question

Which of the following is true?

Answer

1
66
0.1
-1
All of the above

Question 11

Question

Evaluate !(1 && !(0 || 1)).

Answer

True
False
Unevaluatable
Error

Question 12

Question

Which of the following is the proper declaration of a pointer?

Answer

int x;
int &x;
ptr x;
int *x;

Question 13

Question

Which of the following gives the memory address of integer variable a?

Answer

*a;
a;
&a;
address(a);

Question 14

Question

Which of the following gives the value stored at the address pointed to by pointer a?

Answer

a;
val(a);
*a;
&a;

Question 15

Question

Which conversion is not possible?

Answer

int to float
float to int
char to float
All are possible

Question 16

Question

What variables stores the number of arguments to a program in command line arguments?

Answer

argc
argv
count
arglen

Question 17

Question

What is argv[0]?

Answer

The number of arguments to the program
The name of the program
The first argument to the program
This syntax is illegal

Question 18

Question

The parameter passing mechanism for an array is

Answer

call by value
call by value-result
call by reference
none of these

Question 19

Question

Consider the statement int val[2] [4] = { 1, 2, 3, 4, 5, 6, 7, 8} ; 4 will be the value of

Answer

val[0][ 3]
val[0][4]
val[1][1]
none of the above

Question 20

Question

The following program fragment int a = 4, b = 6; printf (" %d ", a == b);

Answer

outputs an error message
prints 0
prints 1
none of the above

Question 21

Question

The following program fragment int a = 4, b = 6; printf ("%d", a = b) ;

Answer

outputs an error message
prints 0
prints 1
6

Question 22

Question

main( ) { int a = 5, b = 2; printf("%d", a+++b); }

Answer

results in syntax error
prints 7
prints 8
none of above

Question 23

Question

Let x be an integer which can take a value of 0 or 1. The statement if(x = =0) x = 1; else x = 0; is equivalent to which one of the following?

Answer

x=1+x;
x=1—x;
x=x—1;
x=1%x;

Question 24

Question

Which command is used to skip the rest of a loop and carry on from the top of the loop again?

Answer

break;
resume;
continue;
skip ;
exit;

Question 25

Question

Which of the following is not a storage class in C?

Answer

auto
struct
extern
static
register

Question 26

Question

Which of following is not a valid name for a C variable?

Answer

Hairaj
Hello_raj
Hello raj
Both (a) and (b) above
None of the above.

Question 27

Question

How many times the below loop will get executed? main() { int i; for(i=9;i;i=i-2) { printf("\n%d",i); } }

Answer

5
6
Compilation Error
Infinite

Question 28

Question

What will be the output main() { int i; i = 10; if(i == 20 || 30) {printf("True"); } else {printf("False"); } }

Answer

True
False
Syntax Error
Run time Error

Question 29

Question

What the below statement will print if a=10 and b = 20? printf("%d",a==b);

Answer

Question 30

Question

What is the output of the following code? void main(){ printf("%d%d%d",50,100); }

Answer

50,100
50,100,garbage
50,100,0
0,50,100

Question 31

Question

What is the output of the following program? void main(){ printf("%d%d",100,200,300); }

Answer

100 200
200 300
300 200
100 200 300

Question 32

Question

What is the output of the following program? void main(){ printf("2+3=%d",2+3); }

Answer

2+3=0
2+3=2+3
2+3=5
5=2+3

Question 33

Question

What is the output of the following program? void main(){ int a; a=3+5*5+3; printf("%d",a); }

Answer

43
64
31
none of these

Question 34

Question

what is the output of following program? void main(){ int a; float f; a=12/5; f=12/5; printf("%d%f",a,f); }

Answer

2,2.000000
2,2.00
2,2
none of these

Question 35

Question

What is the output of following program? void main(){ int a; a='a'>'A'; printf("%d",a); }

Answer

0
1
garbage
none of these

Question 36

Question

What is the output of following program? void abc(int a){ ++a; } void main(){ int a=10; abc(); abc(); printf("%d",a); }

Answer

Question 37

Question

What is the output of following program? void main(){ int i=10; printf("%d%d%d",++i, i++, ++i); }

Answer

11 11 13
13 11 11
11 12 13
13 12 11

Question 38

Question

what is the output of following program? void main(){ printf("One"); if(2>1) printf("Two"); else printf("Three"); printf("Four"); }

Answer

One Two Three
Two Three Four
One Two Four
One Three Four

Question 39

Question

what is the output of following program? void main(){ float a; a=6.7; if(a==6.7) printf("A"); else printf("B"); }

Answer

A
B
error
nothing display on screen

Question 40

Question

what is the output of following program? void main(){ int a; a=10; a*=10+2; printf("%d",a); }

Answer

Question 41

Question

what is the output of following program? void main(){ int a; a=100; printf("%d%d",++a,a++); }

Answer

101 101
101 102
102 100
102 101

Question 42

Question

What is the output of the following program? void main(){ int a; a=100>90>80; printf("%d",a); }

Answer

0
1
error
none of these

Question 43

Question

What will be the output of the following program void main( ){ int a=10; printf("%d",a); { int a=20; printf("%d",a); } printf("%d",a); }

Answer

10 10
20 10
10 20 10
10 10 10

Question 44

Question

What is the output of following program? void f1(){ int a=0; ++a; printf("%d",a); } main(){ int a=10; f1(); f1(); f1(); printf("%d",a); return 0; }

Answer

0 1 1 10
10 0 1 10
1 2 3 4
1 1 1 10

	Created by Faheem Ahmed over 6 years ago

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