os structures, Operating System

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#question.explain varios types of system calls..

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Activities of an operating system, Q. What are the five main activities of ...

Q. What are the five main activities of an operating system in regard to process management? Answer: a. The creation as well as deletion of both user and system processes

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Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with

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Q. What is the use of system programs? Answer: System programs are able to be thought of as bundles of useful system calls. They provide fundamental functionality to users so

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What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.

How memory utilization factor shall be computed, How Memory utilization fac...

How Memory utilization factor shall be computed  Memory utilization factor shall be defined as Memory in use/total memory connected

What is a buddy system?, What is a buddy system? We are dividing the me...

What is a buddy system? We are dividing the memory as powers of two therefore the division will be 2, 4, 8, 16, 32, 64, 128, 256...i.e. in powers of 2 as well as we are selecti

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Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose

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What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.

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MEMORY MANAGEMENT USING BUDDY SUSTEM Here we are dividing the memory as powers of two as well as we are selecting the space which is smallest but large enough to hold a process

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