Introduction

Question 1

Operator’s precedence determines which operator is ____________.
a.) Faster
b.) Take less memory
c.) Take no argument
d.) Evaluated first

Question 2

The operator &laquo_space;is used for ________________.
a.) Shifting bits to left
b.) Shifting bits to right
c.) Equality Checking
d.) None of these

Question 3

The associability of = operator is ________.
a.) Right to Left
b.) Left to Right
c.) None of these
d.) All of above

Question 4

Which statement is correct?
a.) C Library functions provide I/O facilities
b.) C inherent I/O facilities
c.) C doesn’t have I/O facilities
d.) Both (a) and (c)

Question 5

Header files in C contain ___________.
a.) Compiler Commands
b.) Library functions
c.) Header information of C Programs
d.) Operators for files

Question 6

Which pair is used for single character I/O.?
a.) getchar() and putchar()
b.) scanf() and printf()
c.) input() and output()
d.) None of these

Question 7

The printf() returns __________ value when an error occurs.
a.) Positive value
b.) Zero
c.) Negative Value
d.) None of these

Question 8

Identify wrong statement:
a.) putchar(65)
b.) putchar(‘x’)
c.) putchar(“x”)
d.) putchar(‘\n’)

Question 9

Null character is represented by _____________.
a.) \n
b.) \0
c.)\o
d.)\e

Question 10

Testing & Conversion character functions in C are available in ____________.
a.) ctype.h
b.) string.h
c.) math.h
d.) conio.h

Question 11

An Ampersand in scanf() before the name of a variable denotes ___________.
a.) Actual Value
b.) Variable Name
c.) Address
d.) Data Type

Question 12

Symbolic constants can be defined using _____________.
a.) #define
b.) const
c.) symbols
d.) None of these

Question 13

Which header file is essential for using strcmp() function.?
a.) string.h
b.) strings.h
c.) text.h
d.) strcmp.h

Question 14

malloc() used in Dynamic Memory Allocation is available in ____________.
a.) stream.h
b.) malloc.h
c.) alloc.h
d.) stdio.h

Question 15

A statement differs from an expression by terminating with a _________.
a.) Semicolon (;)
b.) Colon (:)
c.) NULL
d.) dot (.)

Question 16

C supports ________ Looping statements.
a.) 5
b.) 3
c.) 6
d.) 8

Question 17

Which of the following is an unconditional control structure?
a.) Do-while
b.) if-else
c.) goto
d.) for

Question 18

Which of the following is a keyword is used for a storage class.?
a.) printf
b.) external
c.) auto
d.) scanf

Question 19

In C language ‘a’ represents ______________________.
a.) a digit
b.) an integer
c.) a character
d.) a word

Question 20

How many keywords are available in ‘C’?
a.) 32
b.) 34
c.) 36
d.) 30

Question 21

The number of Arithmetic operators in C language is ____________.
a.) 4
b.) 5
c.) 6
d.) 7

Question 22

Advantage of UNION over STRUCTURE is _______________.
a.) Memory Storage
b.) Memory Location
c.) Memory Screen
d.) None of these

Question 23

Maximum number of elements in the array declaration “ int arr[5][8]; ” is ________.
a.) 28
b.) 32
c.) 35
d.) 40

Question 24

Array subscripts in C always start at __________.
a.) 1
b.) -1
c.) as per programmer
d.) 0

Question 25

Output of the printf(“2.3f\n”,17.23478) will be _____________.
a.) 17.23478
b.) 17.235
c.) 17.2348
d.) 17.23

Question 26

Which is the correct way to declare a pointer?
a.) int ptr;
b.) *int *ptr;
c.) int *ptr;
d.) *int ptr;

Question 27

What will be the value of the following:
1. floor(5.8)
2. floor(-5.8)
a.) -5,-6
b.) 5, -6
c.) -5,6
d.) 5,6

Question 28

What would be the value of X after execution of the following statements?
int x,y=10;
char z=’a’;
x=y+z;
a.) Invalid
b.) 17
c.) 107
d.) 10a

Question 29

What will be the output the following:
#include<stdio.h>
#include<conio.h>
void main()
{
int *i, *j, a=12, b=2, c ;
c= (a=a+b, b=a/b, a=a*b, b=a-b);
i= &c;
printf (“%d”,--(*i));
}
a.) 93
b.) 92
c.) 91
d.) 90</conio.h></stdio.h>

Question 30

A ________ is a place where we can store values. Size of INT is ____________ bits.
a.) int, 2
b.) variable, 2
c.) variable, 16
d.) int, 16

Question 31

What will be the output the following:
#include<stdio.h>
#include<conio.h>
void main()
{
int *i, *j, a=12, b=2, c ;
c= (a=a+b, b=a/b, a=a*b, b=a-b);
i= &c;
printf (“%d”,--(*i));
}
a.) 93
b.) 92
c.) 91
d.) 90</conio.h></stdio.h>

Question 32

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int a=7,b=5;
switch(a/a%b)
{
case 1: a=a-b;
case 2: a=a+b;
case 3: a=a*b;
case 4: a=a/b;
default: a=a;
}
printf(“%d”, a);
}
What will be the output?
a.) 7
b.) 5
c.) 2
d.) None of above</conio.h></stdio.h>

Question 33

A ________ operator applies to two operands, while a _______ operator applies to a single
operand.
a.) Binary, Unary
b.) Ternary, Binary
c.) Unary, Ternary
d.) None of these

Question 34

Study the following C program:
#include<stdio.h>
#include<conio.h>
void main()
{
char *str1,*str2,*str3;
str1=”India is my”;
str2=”!!yrtnuoC”;
str3=”Gujarat”;
clrscr();
strncat(str1,strrev(str2),strlen(str3));
puts(str1);
}
What will be the value of STR1 after execution of the above program?
a.) India is my Country!!
b.) India is my !!yrtnuoC
c.) India is my Country
d.) None of these</conio.h></stdio.h>

Question 35

Study it:
#include<stdio.h>
#include<conio.h>
void main()
{
int count=1,digit=0;
while(digit<=9)
{
\++count;
\++digit;
}
printf(“%d”,count);
}
What will be the output?
a.) 10
b.) 9
c.) 11
d.) 12</conio.h></stdio.h>

Question 36

What will be the output of following program?
#include<stdio.h>
#include<conio.h>
void main()
{
int i, j, k;
j=5;
i= 2*j/2;
k=2*(j/2);
printf(“i=%d \n k=%d”, i, k);
}
a.) i=5, k=5
b.) i=4, k=4
c.) i=5, k=4
d.) i=4, k=5</conio.h></stdio.h>

Question 37

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int a, b, c;
a=2;
b=2*(a++);
c=2*(++a);
printf(“b=%d \n c=%d”,b,c);
}
a.) b=4,c=6
b.) b=3,c=8
c.) b=3, c=6
d.) b=4, c=8</conio.h></stdio.h>

Question 38

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int *ptr, i;
i=12;
*ptr=i * i;
\++i;
printf(“%d %d”, i, *ptr);
}
a.) 12, 144
b.) 13, 144
c.) 13, 0
d.) None of these</conio.h></stdio.h>

Question 39

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int a=3;
switch(a)
{ case 1: printf(“One”);
case 3: printf(“Three”);
case 5: printf(“Five”);
case 7: printf(“Seven”);
default: printf(“Odd”);
break; }
What will be the output of above program?
a.) Three
b.) Three Five Odd
c.) Three Five Seven Odd
d.) Three Five Seven</conio.h></stdio.h>

Question 40

Study the following program:
#include<stdio.h>
#include<conio.h>
union example
{
int i;
float f;
double d;
};
void main()
{
union example e;
printf(“\n Size of union is: %d”, size of(e));
}
What will be the output of this program?
a.) 8
b.) 6
c.) 10
d.) 14</conio.h></stdio.h>

Question 41

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int i=0, X=0;
do
{
if(i%5==0)
{
X++;
}
\++i;
} while (i <20);
}
What will be the output of this program?
a.) X=4
b.) X=20
c.) X=25
d.) X=10</conio.h></stdio.h>

Question 42

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int i=0, X=0;
while (i<20)
{
if(i%5==0) { X+=i; }
i++;
}
printf(“X=%d”, X);
}
What will be the output of above program?
a.) X=30
b.) X=20
c.) X=25
d.) X=10</conio.h></stdio.h>

Question 43

Study the following program:
#include<stdio.h>
#include<conio.h>
void main()
{
int i, n=2;
for(i=0; i<2; i++)
{
if(!(i<=n) && (++n==i))
n=n+2;
else
n=n-2;
}
}
What will be the output of this program?
a.) 3
b.) 4
c.) 2
d.) None of these</conio.h></stdio.h>

Question 44

Pre-programming technique is.??
a.) Flow Chart
b.) Algorithm
c.) Dry Run
d.) All of Above

Question 45

Which is the step by step representation of program creation?
a.) Algorithm
b.) Dry Run
c.) Flow Chart
d.) None of Above

Question 46

Dry Run is a __________.
a.) Tabular Development
b.) Graphical Representation
c.) Step by Step Development
d.) None of Above

Question 47

‘B’ language is developed by___________.
a.) Martin Richards
b.) Dennis Ritchie
c.) Ken Thompson
d.) Berian Kerningham

Question 48

Which of the following symbol is use for single line comment?
a.) //
b.) /* …… */
c.)
d.) ;

Question 49

Which is not the graphical representation of program creation?
a.) Algorithm
b.) Dry Run
c.) Flow Chart
d.) (A) and (B) both

Question 50

ANSI C permits the use of as many as ________ case labels.
a.) 258
b.) 259
c.) 257
d.) 256

Question 51

Structure template is terminated by symbol _____________.
a.) Semicolon ( ; )
b.) Comma ( , )
c.) Space ( )
d.) Underscore ( _ )

Question 52

? : is ______________ operator.
a.) Logical
b.) Bitwise
c.) Assignment
d.) Conditional

Question 53

Which symbols used to define an array?
a.) [ ]
b.) < >
c.) { }
d.) ( )

Question 54

Find the error:
void mai n()
{
in t a= 11 ;
i f (a>0);
print f (“ I t s POSI TIVE” ) ;
el se
print f (“ I t s NEGAT IVE” );
}
a.) getch(); is missing
b.) statement missing
c.) misplaced else
d.) None of above

Question 55

Which is a relational operator?
a.) &&
b.) >=
c.) ? :
d.) /* …… */

Question 56

To check whether string is in upper case or not, which function is used?
a.) toupper ()
b.) upper ()
c.) isupper()
d.) None of above

Question 57

pow(), abs() & sqrt() are situated in ______________ header file.
a.) stdio.h, math.h, ctype.h
b.) string.h
c.) ctype.h
d.) math.h

Question 58

Which is not the part of UDF?
a.) Prototype of Function
b.) Calling of Function
c.) Definition of Function
d.) None of above

Question 59

How compare that two strings are equal or not?
a.) strcmp()
b.) strcat()
c.) strrev()
d.) strchr()

Question 60

Which is a storage class?
a.) auto
b.) static
c.) register
d.) All of above

Question 61

64 bits occupied by which data type?
a.) double
b.) long double
c.) unsigned int
d.) int

Question 62

Which special symbol is allowed for variable declaration ____________?
a.) Under Score ( _ )
b.) Tiled ( ~ )
c.) Caret ( ^ )
d.) Colon ( : )

Question 63

< , > are used for __________________.
a.) Function Call < , > are used for __________________.
a.) Function Call
b.) Array
c.) Link to Header file
d.) Function Definition

Question 64

Percentage style of “unsigned int” is ____________.
a.) %ld
b.) %c
c.) %u
d.) %lu

Question 65

______________as an alternative of simple if…else statement.
a.) Conditional Operator
b.) Ternary Operator
c.) ? : Operator
d.) All of above

Question 66

Which is not an Entry Control.?
a.) for loop
b.) while loop
c.) do…while loop
d.) All of above

Question 67

How many types of operators are there?
a.) 7
b.) 9
c.) 10
d.) 8

Question 68

What is the output of below program?
void mai n()
{
in t a= 11 , b ;
b=a++
print f (“ \n\ t B: %d” , b);
get ch();
}
a.) Error
b.) 12
c.) 11
d.) None of above

Question 69

a -=b is equivalent to ________________.
a.) a=b-a
b.) a=a-b
c.) b=b-a
d.) b=a-b

Question 70

{ } are used to group statements together as in a function, or in the body of a loop. Such a
grouping is known as _________________.
a.) Statement
b.) Block
c.) Loop
d.) Process

Question 71

Which is the Escape Sequence character?
a.) \n
b.) \o
c.) \a
d.) (A) and (B) both

Question 72

Null character is represented by ___________.
a.) NULL
b.) \o
c.) \0
d.) All of above

Question 73

________ Symbol behaves as STYLE while using with one variable and as REMINDER while
using with two variable/values.
a.) &
b.) %
c.) *
d.) #

Question 74

_____ and _____ are used to test more than one condition.
a.) &&, ||
b.) <=, >=
c.) ==, !=
d.) <, >