C Programming Solved MCQs for Computer Instructor B-17

C Programming MCQS

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1. How many bytes does the declaration int D; use?

a. 10

b. 1

c. 2 or 4

d. 0

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2. What is the size of (char) in a 32-bit C compiler?

a. 2 bits

b. 1 byte

c. 2 bytes

d. 1 bit

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3. Each instance of a class has a different set of ___________.

a. Attribute values

b. Return types

c. Methods

d. Class interfaces

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4. Property which allows to produce different executable for different platforms in C programming is called?

a. File Inclusion

b. Selective Inclusion

c. Recursive Macros

d. Conditional Compilation

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5. Which of the following is NOT achievable with any two operators in C Programming?

a. Different precedence, different associativity

b. Different precedence, same associativity

c. Same precedence, different associativity

d. All of them

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6. What will be the output of the statement printf(“%d”, (a++));?

a. The current value of a

b. Garbage

c. The value of a + 1

d. Error

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7. Functions in C Language are always….?

a. External and Internal are not valid terms for functions

b. External

c. Internal and External

d. Internal

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8. What is short int in C programming?

a. Short is the qualifier and int is the basic data type

b. Qualifier

c. All

d. basic data type of C

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9. What is the result of logical or relational expression in C?

a. None

b. True or False

c. 0 or 1

d. Any positive number if an expression is true and 0 if an expression is false

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10. How to initialize an array in C Programming Language?

a. int arr(2)={10, 20}

b. int arr[2] = {10, 20}

c. int arr[2]=(10, 20)

d. int arr(2) = (10, 20)

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11. In C Programming, FILE is of which data type?

a. char *

b. int

c. None

d. struct

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12. How many number of pointer (*) does C have against a pointer variable declaration?

a. 127

b. 5

c. 255

d. No limits

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13. scanf() is a predefined function in which header file?

a. stdarg.h

b. stdlib.h

c. stdio.h

d. ctype.h

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14. Which of the following cannot be a variable name in C Programming?

a. true

b. export

c. friend

d. volatile

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15. Which of the following is not a valid variable name in C Programming?

a. float rate;

b. int number;

c. int variable_count;

d. int $main;

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16. What is the maximum number of characters that can be held in the string variable char addressline[40]?

a. 41

b. 40

c. 38

d. 39

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17. Functions can return enumeration constants in C programming?

a. depends on the standard

b. true

c. depends on the compiler

d. false

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18. Which of the following will correctly copy the null-terminated string from the src array into the dest array?

a. strcpy(src, dest);

b. strcpy(dest, src);

c. dest == src;

d. dest = src;

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19. Which of the following declarations is not valid in C Programming?

a. char *str;

b. Both “String str;” “float str = 3e2;”

c. String str;

d. float str = 3e2;

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20. All keywords in C Programming are in the?

a. None

b. Uppercase

c. Lowercase

d. Camelcase

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C Programming Solved MCQs

C Programming Solved MCQs for Computer Instructor B-17 | AJKPSC & PPSC Exam

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