MULTITHREADING MODEL o Process:Operating system abstraction to code data files represent what is needed to run a single, registers registers registers multithreaded program o Two parts: stack stack stack Multiple Threads o Each thread is a single, sequential stream of execution 3 thread Protected Resources: o Main Memory State (contents of Address Space) oI/O state (i.e.file descriptors) multithreaded processMULTITHREADING MODEL  Process: Operating system abstraction to represent what is needed to run a single, multithreaded program  Two parts:  Multiple Threads  Each thread is a single, sequential stream of execution  Protected Resources:  Main Memory State (contents of Address Space)  I/O state (i.e. file descriptors)