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CTET - C Programming 1000+ MCQ [Solved] PDF Download

Thursday 9th of March 2023

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1. do-while loop is useful when we want the statements within the loop must be executed
A. Only once
B. At least once
C. More than Once
D. Any one of the above
Answer : B
2. Which header file is essential for using strcmp() function?
A. string.h
B. strings.h
C. text.h
D. strcmp.h
Answer : A
3. enum helps to create user defined datatype.
A. True
B. False
C.
D.
Answer : A
4. What is the difference between overloaded functions and overridden functions?
A. Overloading is a dynamic or run-time binding and Overriding is static or compile-time binding
B. Redefining a function in a friend class is called function overriding while Redefining a function in a derived class is called a overloaded fucntion.
C. Overloading is a static or compile-time binding and Overriding is dynamic or run-time binding
D. Redefining a function in a friend class is called function overloading while Redefining a function in a derived class is called as overridden fucnion.
Answer : B
5. Variables declared as register storage type gets stored in CPU registers.
A. True
B. False
C.
D.
Answer : A
6. The value of an enumerated datatype can be read using scanf() function.
A. True
B. False
C.
D.
Answer : B
7. A C variable cannot start with
A. An alphabet
B. A number
C. A special symbol other than underscore
D. both (b) and (c)
Answer : D
8. ------ is the ternary operator
A. ?,-
B. ?,:
C. ++<--
D. none of the above
Answer : B
9. Which of the following shows the correct hierarchy of arithmetic operations in C
A. / + * ?
B. * ? / +
C. + ? / *
D. * / + -
Answer : D
10. perror( ) function used to ?
A. Work same as printf()
B. prints the error message specified by the compiler
C. prints the garbage value assigned by the compiler
D. None of the above
Answer : B
11. Which classes allow primitive types to be accessed as objects?
A. Storage
B. Virtual
C. Friend
D. Wrapper
Answer : B
12. A function to be called must be ended with a----------------
A. .
B. ?
C. ;
D. none of the above
Answer : C
13. The output of the following code is: 
int f(int a, int b); 
void main() 
{
int a = 12, b=154; 
printf("%d", f(a, b)); 
}
int f(int a, int b) 
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
A. 2
B. 1
C. Compilation error
D. Runtime error
Answer : A
14. unsigned' is a valid variable name.
A. True
B. False
C.
D.
Answer : B
15. What does STL stand for?
A. Simple Template Library
B. Standard Template Library
C. Static Type Library
D. Single Type-based Library
Answer : A
16. Which of the following is a valid destructor of the class name "Country"
A. int ~Country()
B. void Country()
C. int ~Country(Country obj)
D. void ~Country()
Answer : B
17. What is an array?
A. An array is a collection of variables that are of the dissimilar data type.
B. An array is a collection of variables that are of the same data type.
C. An array is not a collection of variables that are of the same data type.
D. None of the above.
Answer : B
18. Structures within structures cannot be created.
A. True
B. False
C.
D.
Answer : B
19. /* The C language.
/* is a procedural language .*/*/
The above statement is valid.
A. True
B. False
C.
D.
Answer : B
20. A multidimensional array A[10][9] can store-------- number of elements
A. 91
B. 88
C. 90
D. 89
Answer : C
21. The output of the following code is: 
void main() 
{
int a = 1, b=2; 
int *ip; 
ip=&a; 
b=*ip; 
printf("%d", b);
}
A. 2
B. 1
C. 100
D. 0
Answer : B
22. The expression "int i = j = k = 0;" is invalid.
A. True
B. False
C.
D.
Answer : A
23. Which of the following is invalid?
A. ''
B. " "
C. 'a'
D. abc'
Answer : D
24. What is C Tokens?
A. The smallest individual units of c program
B. The basic element recognized by the compiler
C. The largest individual units of program
D. A & B Both
Answer : D
25. How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
A. 3
B. 4
C. 5
D. infinite
Answer : B
26. A declaration float a, b; occupies ___ of memory
A. 1 byte
B. 4 bytes
C. 8 bytes
D. 16 bytes
Answer : C
27. 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");
}
A. B
B. b
C. bca
D. bc
Answer : D
28. The statement "for (i = 0, j = 2; j <= 10; j++)" is a valid statement in 'C'.
A. True
B. False
C.
D.
Answer : A
29. The output of the following code is: 
main() 
{
int a = 0; 
for (; i = 0; i++) 
printf("%d", a); 
}
A. 0
B. Nothing will be displayed
C. Infinite loop
D. None of the above
Answer : D
30. The output of the following code is: 
main() 
{ 
int k, num = 30; 
k = (num > 5 ? (num <= 10 ? 100 : 200) : 500); 
printf("
%d", num); 
}
A. 200
B. 500
C. 30
D. Unpredictable
Answer : C
31. Union is used to hold different data at different time.
A. True
B. False
C.
D.
Answer : A
32. static variable will not always have assigned value.
A. True
B. False
C.
D.
Answer : A
33. There are total ------ numbers of operators in 'C'.
A. 35
B. 45
C. 55
D. 40
Answer : B
34. printf("%d", sizeof('2')); will print 2.
A. True
B. False
C.
D.
Answer : B
35. The-------------------- statement helps immediate exit from any part of the loop
A. break
B. continue
C. exit
D. All of the above
Answer : A
36. What would be the output of the following program?
int x=40;
main(){
int x=20;
printf("
%d",x);
}
A. 40
B. 20
C. Compilation Error
D. Garbeg Value
Answer : B
37. Single operations involving entire arrays are permitted in C.
A. True
B. False
C.
D.
Answer : A
38. The output of the following code is: 
main() 
{ 
void msg() 
{ 
printf("HELLO WORLD"); 
} 
}
A. HELLO WORLD
B. Error
C. None of the above
D. Null
Answer : B
39. Expression 4**3 evaluates to 64.
A. True
B. False
C.
D.
Answer : B
40. C is a ___ language
A. High Level and Procedural
B. Low Level and OOPS
C. Middle Level and Procedural
D. Machine Level and OOPS
Answer : A
41. Which among the following is a unconditional control structure
A. do-while
B. if-else
C. goto
D. for
Answer : C
42. The output of the following code is: 
main() 
{
int a = 5, b = 6; 
(a == b? printf("%d", a)); 
}
A. 0
B. 5
C. Error
D. None of the above
Answer : C
43. C programs are converted into machine language with the help of
A. An Editor
B. A compiler
C. An operating system
D. None of the above
Answer : B
44. Which one of the following is not a fundamental data type in C++
A. float
B. string
C. int
D. wchar_t
Answer : A
45. All elements of a structure are allocated contiguous memory locations.
A. True
B. False
C.
D.
Answer : A
46.

What will be output if you will compile and execute the following c code?


#include 
int main(){     
char c=125;     
c=c+10;     
printf("%d",c);     
return 0;   
}

 
A. 135
B. +INF
C. -121
D. -135
Answer : C
47. A pointer is an indication of the variable to be accessed next.
A. True
B. False
C.
D.
Answer : B
48. What's wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);
A. the question mark should be an equal sign
B. the first semicolon should be a colon
C. there are too many variables in the statement
D. the conditional operator is only used with apstrings
Answer : D
49. Which options shows the correct hierarchy of arithmetic operators
A. **, * or /, + or -
B. **, *, /, +, -
C. **< /< *< +<-
D. / or *, - or +
Answer : D
50. If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?
A. const X* const
B. X* const
C. X*
D. X&
Answer : D
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