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C Programming MCQ Solved Paper for SSC JHT

Thursday 9th of March 2023

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1. Which of the following is allowed in a C Arithmetic instruction
A. []
B. {}
C. ()
D. None of the above
Answer : C
2. 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
3. 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
4. What is Keywords?
A. Keywords have some predefine meanings and these meanings can be changed.
B. Keywords have some unknown meanings and these meanings cannot be changed.
C. Keywords have some predefine meanings and these meanings cannot be changed.
D. None of the above
Answer : C
5. The identifier argv[] is a pointer to an array of strings.
A. True
B. False
C.
D.
Answer : B
6. /* The C language.
/* is a procedural language .*/*/
The above statement is valid.
A. True
B. False
C.
D.
Answer : B
7. Which of the following expressions is wrong
A. float a =123.56;
B. char ch ='T' * 'A';
C. char ch ='T' *20;
D. 3 +a = b;
Answer : D
8. The expression "int i = j = k = 0;" is invalid.
A. True
B. False
C.
D.
Answer : A
9. All elements of a structure are allocated contiguous memory locations.
A. True
B. False
C.
D.
Answer : A
10. 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
11. 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
12. 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
13. && and & operators have the same meaning.
A. True
B. False
C.
D.
Answer : B
14. 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
15. 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
16. Character data types cannot be declared as unsigned.
A. True
B. False
C.
D.
Answer : B
17. The expression (i + j)++ is illegal.
A. True
B. False
C.
D.
Answer : A
18. Which among the following is a unconditional control structure
A. do-while
B. if-else
C. goto
D. for
Answer : C
19. 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
20. Right shifting an operand 1bit is equivalent to multiplying it by 2.
A. True
B. False
C.
D.
Answer : B
21. 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
22. 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
23. What is the right way to access value of structure variable book{ price, page }?
A. printf("%d%d", book.price, book.page);
B. printf("%d%d", price.book, page.book);
C. printf("%d%d"< price::book< page::book);
D. printf("%d%d", price?>book, page?>book);
Answer : A
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. Which escape character can be used to beep from speaker in C?
A. \a
B. \b
C. \m
D.
Answer : A
26. Left shift operator rotates the bits on the left and places them to the right.
A. True
B. False
C.
D.
Answer : B
27. The array 'char name[10] can consist of a maximum of 9 characters.
A. True
B. False
C.
D.
Answer : A
28. 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
29. Identify the wrong statement
A. putchar(65)
B. putchar('x')
C. putchar("x")
D. putchar('
')
Answer : C
30. What's wrong? while( (i < 10) && (i > 24))
A. the logical operator && cannot be used in a test condition
B. the while loop is an exit-condition loop
C. the test condition is always true
D. the test condition is always false
Answer : D
31. Which of the following correctly describes C++ language?
A. Statically typed language
B. Dynamically typed language
C. Both Statically and dynamically typed language
D. Type-less language
Answer : D
32. What is right way to Initialization array?
A. int num[6] = { 2, 4, 12, 5, 45, 5 } ;
B. int n{} = { 2, 4, 12, 5, 45, 5 } ;
C. int n{6} = { 2< 4< 12 } ;
D. int n(6) = { 2, 4, 12, 5, 45, 5 } ;
Answer : A
33. A declaration float a, b; occupies ___ of memory
A. 1 byte
B. 4 bytes
C. 8 bytes
D. 16 bytes
Answer : C
34. printf() is not a library function.
A. True
B. False
C.
D.
Answer : B
35. 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
36. 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
37. 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
38. The contents of a file opened in 'r+' mode cannot be changed.
A. True
B. False
C.
D.
Answer : B
39. void' is a datatype.
A. True
B. False
C.
D.
Answer : A
40. Which of the following is not true about preprocessor directives
A. They begin with a hash symbol
B. They are processed by a preprocessor
C. They form an integral part of the code
D. They have to end with a semi colon
Answer : A
41. # define PI = 8;' is the correct declaration of macros.
A. True
B. False
C.
D.
Answer : B
42. fopen() function returns a pointer to the open file.
A. True
B. False
C.
D.
Answer : A
43. unsigned' is a valid variable name.
A. True
B. False
C.
D.
Answer : B
44. Nested macros are allowed.
A. True
B. False
C.
D.
Answer : B
45. ------ is the ternary operator
A. ?,-
B. ?,:
C. ++<--
D. none of the above
Answer : B
46. Which header file is essential for using strcmp() function?
A. string.h
B. strings.h
C. text.h
D. strcmp.h
Answer : A
47. Which of the following is not a preprocessor directive
A. #if
B. #elseif
C. #undef
D. #pragma
Answer : B
48. Structures within structures cannot be created.
A. True
B. False
C.
D.
Answer : B
49. All macro substitutions in a program are done before compilation of the program.
A. True
B. False
C.
D.
Answer : A
50. 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
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