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Components of

a Process

 A process contains The execution context is

three components: essential:
 it is the internal data by

 an executable program which the OS is able to

 the associated data supervise and control the
process
needed by the program  includes the contents of the

(variables, work space, various process registers

buffers, etc.)  includes information such

 the execution context as the priority of the process

(or “process state”) of and whether the process is
waiting for the completion
the program of a particular I/O event