C program MCQ contest

What is the output of this statement "printf("%d", (a++))"?

• The output is the value of 'a' multiplied by 2.
• Garbage.

• Error message.

• The output is the current value of 'a'.

How many times will the following loop execute?

for(j = 1; j <= 10; j = j-1)

• Forever

• Never

• 0

• 1

Which one of the following is a loop construct that will always be executed once?

• for

• while

• switch

• do while

What is the result after execution of the following code if a is 10, b is 5, and c is 10?

If ((a > b) && (a <= c))

a = a + 1;

else

c = c+1;

• a = 10, c = 10

• a = 11, c = 10

• a = 10, c = 11

• a = 11, c = 11

How many characters can a string hold when declared as follows?

char name[20]:

• 18

• 19

• 20

• None of these

Directives are translated by the

• pre-processor

• compiler

• linker

• editor

How many bytes does "int = D" use?

• 0

• 1

• 2 or 4

• 10

What feature makes C so powerful?

• Easy implementation

• Reusing the old code

• Easy memory management

• All the above

What will the result of num variable after execution of the following statements?

int num = 58;

num % = 11;

• 3

• 5

• 8

• 11

What is the maximum number of characters that can be held in the string variable char address line [40]?

• 38

• 39

• 40

• 41