Answer Posted / geetha.v

A multi threaded program contains 2 or more threads

running concurently.
In a multitasking environment 2 or more processes will run
concurently.
Multithreading requires less overhead than
multitasking.

Interprocess communication is very expensive
and context switching from one process to another procees
is costly since they are runningin different address spases.

In case of multithreading threads are lightweightprocess and
can share same addressspace and interthread communication
is less.

expensive
than interprocees

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