1.The meaning of process:

Process is a computer program on a collection of data on a run, the system is the basic unit of resource allocation and scheduling, is the basis of the operating system structure . Process is a program execution. A process is a parallel computation. A process is an activity that occurs when a program is executed sequentially on the processor.

2.Reason for process with program:

A program by itself is not a process; a program is a passive entity, such as a file c