C instruction set

C uses the uppercase letter A to Z, the lowercase letters a to z, the digits 0 to 9, and certain special characters as building blocks to form basic program elements ( e.g., constants, variables, …

In previous section we discuss about various types of C constants, variables and keyword. Now in this section we will discuss about how they are grouped to from instructions. There are basically four types of …

This type of instruction is used to declare the type of variable being used in the program. Any variable used in the program must be declared before using it in any statement. This instruction is …

These types of instructions are used to perform arithmetic operations between constants and variables. Some of the arithmetic operators are: +, -, * and /. Example: int a; float b, deta, alpha, gamma, beta; a=500; …

These types of instructions are used for controlling the sequence of execution of various statements in C program. It determines the ‘flow of control’ in a program. There are four types of control instructions in …