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What do you mean by semaphore?
Semaphore: A synchronization variable that acquires on positive integer values. Invented by the Dijkstra
The names arrive from the Dutch, verhogen (increment) and proberen (test). Semaphores are elegant and easy and permit the solution of many interesting problems. They do many more than just mutual exclusion.
Define the Global vs. local variables It is also important to discuss the scope of resources being granted to the application program. Variable scoping is defined as the acces
What are the advantages of multi threading? Multithreading a code can have several advantages. Improve application responsiveness --Any program in which var
draw a state diagram showing the transissions of a process from creation to termination
What are the differences between process and thread? The fundamental difference between a process and a thread is that a process has an entire copy of the program to itself and
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
summary of what operating system do
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
difference between process and thread
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