1000+ Advanced C Programming Interview Questions & Answers - 2

Question: 6

What is pseudo code?

Pseudo code is in-between English and the high level computer languages. In English the sentences may be long and may not be precise. In the computer the syntax has to be followed meticulously. If these two irritants are removed then we have the pseudo code.

Question: 7

Define integer constant?

An integer constant is a decimal number that represents an integral value. It comprises of the digits 0 to 9. If an integer constant begins with the letters 0x or 0X, it is a hexadecimal (base 16) constant. If it begins with 0 then it is an octal (base 8) constant. Otherwise it is assumed to be decimal.

Question: 8

What is an operator?

An operator is defined as a symbol that specifies an operation to be performed. Operators inform the computer what tasks it has to perform as well as the order in which to perform them.

Question: 9

What are pointer variables?

A pointer variable assumes only address as its value. Each variable takes some locations in the main memory according to its type.

Every location in the main memory is addressable.

Question: 10

How variables are classified in C?

The variables in C are classified into ordinary variables and pointer variables.