In system, process is a unit of done. A process is a set of sequential step that are required to do a particular task. It is an instance of program in execution. Process needs certain resources such as CPU time, memory and I/O devices to accomplish its task. These resources are allocated to the process either when it is created or while it execution.

A process can be identified in operating system by it following components:

  • The object program to be executed.
  • The data on which program will execute.
  • The status of the process execution.
  • The resources that process is utilizing

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