C Language Multiple Choice Questions and Answers

21 Choose the option that contains only Unary operators of C:

A sizeof, (type conversion)

B short hand operator, &

C increment(++), >=, !

D ==, !=

Answer: Option [A]

The sizeof() operator is used to calculate the size of a variable. This works in single operand.

22 Maximum value of an unsigned integer is

A 65535

B 32767

C -32767

D -65535

Answer: Option [A]

23 The keyword typedef is used to

A create a type of function

B define the type of function

C define the type of a variable

D create a new datatype name

Answer: Option [D]

The existing name in C program can be changed by using typedef keyword.

24 What will happen if an element is assigned a value to an element of an array whose subscript exceeds the size of the array?

A It will not be allowed, but no error message will be generated

B Compiler will generate an error message suggesting the name

C The element will be assigned NULL VALUE

D Some other data may be overwritten

Answer: Option [D]

25 By default a real number is treated as a

A float

B double

C long double

D integer

Answer: Option [A]

C Language Multiple Choice Questions with Answers