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What is an I/O subsystem?
The control of devices connected to the computer is a main issue while designing operating systems. Since I/O devices differ widely in their function and speed, different methods are needed to control them and these methods form the I/O subsystem of the kernel which separates the rest of the kernel from the managing I/O devices.
Write note on process, process state? A process is in excess of the program code which is sometimes known as text section. It as well includes the current activity as represent
scattered resposibi;ity and authority -necessity of operation research
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
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Process termination A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that tim
Explain process scheduling in time sharing The relevant features of time sharing are: 1. Process priorities do not depend on the nature of the processes 2. Proc
What are the requirements for solution of critical section problems? Mutual exclusion : If process p is implementing in its critical section then no other processes can be exe
Now we consider the following questions: how can the parent process communicate with its child? Or how can children processes communicate with other children? The exact answer depe
Q. Name two differences between logical and physical addresses? Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in
In this exercise we are going to use pthread()to simulate the dynamics between a warehouse, factory and retail. The factory produces product by using parts supplied by the warehou
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