Register variables. Advantages of using register variables

Define register variables. What are the advantages of using register variables?

- The variables of 'register' type modifier inform the compiler for storing the variables in a register of the CPU.

- These variables are stored in the registers, so the speed of processing is become more than the normal variables.

Advantages of Register variable:

- Access optimization and speed of program execution: The operations of these variables are faster by orders of magnitude.

- It is useful when you want to refer a variable frequently.

- It allocates fast memory in the form of a register.

- It helps to speed up program execution.
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