4. Instructions in C Language
Let us understand Types of instruction in C :
➡️Type Declaration :
The instruction is used to declare the type of variables used in a C program. Any variables used in the program must be declared before using it in any statement.
The type declaration statement is written at the beginning of the main() function.
Ex:
int bas;
float rs, salary;
char name, code;
➡️Arithmetic Instruction
A C arithmetic instruction consists of a variable name on the left hand side of = and variables names & constants on the right hand side of =.
The variables and constants appearing on the right hand side of == are connected by arithmetic operators like +, -, * and /.
Ex:
int ad;
float kot, deta, alpha;
ad = 3200;
kot = 0.0056
deta = ad/kot + 3.2 * 2/5;
➡️Control Instruction
As the name suggests the control instructions enables us to specify the order in which the various instruction in a program will be executed by the computer.
In other words it determines the flow of control in a program.
There are four types of control instructions in C:
▶️Sequence control
▶️Selection/decision control
▶️Repetition or loop control
▶️Case control instruction
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