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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 that users don't need to write their own programs to solve common problems.
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
how response times are reduced by allowing time sharing on top of multiprogramming
What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require
categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
What is a semaphore? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; w
why we say " OS is a resource allocator" and “OS is a control program"?
Transparency : Users must be able to access remote resources as though these resources were local. Transparency should as well promote user mobility. Users must be allowed to lo
Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th
unequal size partition
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