A process is program is execution.it is basic unit of resource allocation is an operating system .A process has starting and ending point.it must execute and progress sequentially. A process is controlled and scheduled b by operating system .an operating system execute different program depending on the system
Process attributes
program counter: It is used to keep track of the address of the next instruction to be executed.
Stack: a stack is used to store temporary data for the process
Data section: a data section is used that may contain global variables
Heap: a process may include heap .it is memory that dynamically allocated during process execution
Process states
New: The process not yet created in memory
Running: The process has an instruction that being executed
Waiting: The process waiting some event to occur
Ready: The process is waiting to be executed
Terminated: the process ha finish the execution and is no longer in memory
Terminated: the process ha finish the execution and is no longer in memory
