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What is the benefits OS co-operating process?
Information sharing.
Computation speeds up.
Modularity.
Convenience.
How the Nested Macro calls are expanded LIFO (Last in First out)
What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
Device Drivers Communicates straight with peripheral devices (disks, tapes, etc.). Responsible for begin physical I/O operations on the device. Pro
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
advantages and disadvantages of monolithic and layered approach
Lexical substitution during macro expansion Lexical substitution is employed to produce an assembly statement from a model statement. A model statement contains 3 types of stri
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Q. Why is it significant to balance file system I/O among the disks as well as controllers on a system in a multitasking environment? Answer: A system can perform mere
What is virtual file system? A Virtual file system switch (VFS) or Virtual file system is an abstraction layer on top of a more concrete file system. The purpose of a VFS
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