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Unit 2 Operating System

  Unit- 2  Process and Process Scheduling 2.1 Introduce Process, Program and Process Life Cycle  Process Process is something that is currently under execution. So, an active program can be called a Process. Examples: ●        Opening a web browser to search something on the internet — the browser becomes a process. ●        Launching a music player to enjoy your favorite tunes — the music player is also a process. In computing, a process is the instance of a computer program that is being executed by one or many threads. It contains the program code and its activity. Modern operating systems support multithreading , meaning a process can have multiple threads running concurrently .   A Process has various attributes associated with it. Some of the attributes of a Process are: ●          Process Id: Every process will be given a unique id that identifies the process...