Process management and memory management

Process management and memory management

1. ·

   • Process Concept
     • A process is an abstraction of a running program and is the unit of work of the system. You can define a process as a running program. That is, each program is divided into processes that are loaded into memory and run one after another.
       • Status of a Process
         • The states through which a process pass is
           • New
             • The process is being created.
           • Running
             • The instructions are being executed.
               • In the running state there can only be one process, however, several can be ready or blocked.
           • Standby
             • The process is waiting for an event to occur.
           • Ready
             • The process is waiting to be assigned to a processor.
           • Finished
             • You have finished running.