Programming Quiz(BCA 3rd)

Which of the following is not a valid C keyword?

• for

• while

• loop

• if

Which operator is used to get the address of a variable in C?

• *

• &

• %

• $

What will be the output of the following code snippet?

int x = 10;

printf("%d", x++);

• 9

• 11

• 10

• 12

In C, which function is used to read a character from the standard input?

• scanf()

• getchar()

• getch()

• gets()

Which of the following is an exit-controlled loop?

• for

• do-while

• while

• if

What is the default return type of a function in C if not specified?

• float

• int

• void

• char

Which symbol is used to define a preprocessor macro in C?

• $

• #

• &

• @

The complexity of linear search is:

• O(1)

• O(n)

• O(log n)

• O(n^2)

What will be the output of the pseudocode?

set x = 5

set y = 10

print x + y * 2

• 30

• 25

• 20

• 15

Which of the following is used for dynamic memory allocation in C?

• malloc()

• sizeof()

• realloc()

• calloc()