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C Programming MCQ Solved Paper for SBI PO

Thursday 9th of March 2023

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1. Which among the following is a unconditional control structure
A. do-while
B. if-else
C. goto
D. for
Answer : C
2. Which of the following is not recommended in a header file?
A. Type definitions (typedefs)
B. Class definitions
C. Function definitions
D. Template definitions
Answer : D
3. void' is a datatype.
A. True
B. False
C.
D.
Answer : A
4. The output of the following code is: 
void main() 
{
int a; 
int &b = a;
a=100; 
printf("b=%d\ta=%d
", b,a);
}
A. b=100 a=100
B. b=100 a=0
C. b=0 a=100
D. Error
Answer : D
5. There are total ------ numbers of operators in 'C'.
A. 35
B. 45
C. 55
D. 40
Answer : B
6. For 16?bit compiler allowable range for integer constants is ______ ?
A. ?3.4e38 to 3.4e38
B. ?32767 to 32768
C. ?32768 to 32767
D. ?32668 to 32667
Answer : C
7. The contents of a file opened in 'r+' mode cannot be changed.
A. True
B. False
C.
D.
Answer : B
8. Single operations involving entire arrays are permitted in C.
A. True
B. False
C.
D.
Answer : A
9. 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
10. Which classes allow primitive types to be accessed as objects?
A. Storage
B. Virtual
C. Friend
D. Wrapper
Answer : B
11. The default initial value of automatic storage class is 0.
A. True
B. False
C.
D.
Answer : B
12. The size of signed integer is ------ bytes.
A. 4
B. 2
C. 8
D. 10
Answer : B
13. 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
14. strcat() function ----------------------- two strings.
A. delete
B. concatenate
C. compare
D. none of the above
Answer : B
15. Which of the following is not a preprocessor directive
A. #if
B. #elseif
C. #undef
D. #pragma
Answer : B
16. 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
17. Operation between an integer and float always yields a float result.
A. True
B. False
C.
D.
Answer : A
18. 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
19. Bitwise operators can operate upon?
A. double and chars
B. floats and doubles
C. ints and floats
D. ints and chars
Answer : D
20. emp name' is a valid variable name.
A. True
B. False
C.
D.
Answer : B
21. A multidimensional array A[10][9] can store-------- number of elements
A. 91
B. 88
C. 90
D. 89
Answer : C
22. The main() function can call itself recursively.
A. True
B. False
C.
D.
Answer : A
23. A continue statement causes execution to skip to
A. the return 0; statement
B. the first statement after the loop
C. the statement following the continue statement
D. the next iteration of the loop
Answer : C
24. 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
25. The identifier argv[] is a pointer to an array of strings.
A. True
B. False
C.
D.
Answer : B
26. The function fopen() on failure returns---------------------.
A. 0
B. NULL
C. 1
D. none of the above
Answer : B
27. The output of the following code is: 
void main()
{ 
int a = 20;
printf("%d\t%d
", ++a, a);
}
A. 21 21
B. 20 21
C. 21 20
D. 20 20
Answer : C
28. What does STL stand for?
A. Simple Template Library
B. Standard Template Library
C. Static Type Library
D. Single Type-based Library
Answer : A
29. The expression "int i = j = k = 0;" is invalid.
A. True
B. False
C.
D.
Answer : A
30. 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
31. All elements of a structure are allocated contiguous memory locations.
A. True
B. False
C.
D.
Answer : A
32. Which of the following is an example of compounded assignment statement?
A. a = 5
B. a += 5
C. a = b = c
D. a = b
Answer : C
33. The expression (i + j)++ is illegal.
A. True
B. False
C.
D.
Answer : A
34. continue statement is used
A. to go to the next iteration in a loop
B. come out of a loop
C. exit and return to the main function
D. restarts iterations from beginning of loop
Answer : D
35. struct stud
{
int roll;
char name[20];
float marks;
} *p;
What will be the byte size of p?
A. 24
B. 2
C. 26
D. None
Answer : B
36. static variable will not always have assigned value.
A. True
B. False
C.
D.
Answer : A
37. Left shift operator rotates the bits on the left and places them to the right.
A. True
B. False
C.
D.
Answer : B
38. Which of the following language is predecessor to C Programming Language?
A. A
B. B
C. BCPL
D. C++
Answer : B
39. The same variable names of automatic type can be used in different functions without any conflict.
A. True
B. False
C.
D.
Answer : A
40. 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
41. The output of the following code is:
void change (char *k) 
{
k="Hello";
return; 
} 
main() 
{ 
char *ch = "World";;
change(ch); 
printf("%s", ch); 
}
A. Hello
B. World
C. Compilation error
D. Hello World
Answer : B
42. 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
43. # define PI = 8;' is the correct declaration of macros.
A. True
B. False
C.
D.
Answer : B
44. An array elements are always stored in _________ memory locations.
A. Sequential
B. Random
C. Sequential and Random
D. None of the above
Answer : A
45. The output of the following code is: 
main() 
{
int a[10], i; 
for (i = 1; I <= 0; i++) 
{
scanf("%d", a[i]); 
printf("%d", a[i]); 
}
}
A. 10
B. Logical error
C. Runtime error
D. 1 to 10 will be displayed
Answer : B
46. The output of the following code is: 
main() 
{ 
int sub[50]; 
for(i=0; i<=48;i++) 
{ 
sub[i]=i; 
printf("
%d", sub[i]);
}
}
A. 0 to 48 will be displayed
B. 48
C. 49
D. Compilation Error
Answer : D
47. The output of the following code is: 
main() 
{ 
unsigned int a = 10; 
while (a>=10) 
{ 
int a; a-- ; 
} 
printf("%i", a); 
}
A. Infinite loop
B. 9
C. 0
D. None
Answer : A
48. 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
49. Expression 4**3 evaluates to 64.
A. True
B. False
C.
D.
Answer : B
50. The output of the following code is: 
void main() 
{
int a = 0; 
while (a<=50) for(;;) if(++a % 50==0) break;
printf("a = %d", a); 
}
A. a = 100
B. a = 50
C. compilation error
D. runtime error
Answer : A
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