2.1 IntroMultithreading.pdf

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Introduction to Multithreading
•
When we run a program , the running program is called
‘Process’
•
A running program(process) will have its own flow of control
•
When a
single process
is running then its called
“uni-tasking”
•
When
more than one process
is running then its called
“Multitasking”
•
If two programs are running simultaneously then theses two programs will have
its own flow of control
•
Hardware( CPU) will execute some lines of program 1 then some lines of
program 2 then again 1 then 2 so on… this gives us the impression that they
are running simultaneously but only one core I.e, CPU will execute these
programs at a time
•
Multithreading
is same as multitasking but the difference is , in a main
program they are sub independent program that run simultaneously and each
sub program is having its own flow control.
they are children of main program.
•
A process is a heavy process , but a thread is a light weighted process because
Advantages of Multithreading :
-
We can create animations
-
We can create games
-
Chatting between multiple users
-
Providing web services for multiple clients connected to the server at a time

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