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Short term scheduling
The short term scheduler as well known as the dispatcher executes most frequently and makes the fine grained decision of which process to execute next. The short term scheduler is appeal to whenever an event occurs that may lead to the suspension of the current process or that may provide an opportunity to preempt a currently running process in favor of another. Illustration include IO interrupts, clock interrupts, operating system calls and signals
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
is there any difference between the trap and interrupt??
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results.
what is Number System
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
Explain the various file types A common technique for executing file types is to contain the type as part of the file name. The name is split into two parts - a name and an ext
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
An operating system act as an intermediary between user of a computer and computer hardware. The objective of an operating system is to provide an environment in that a user can ex
Buddy system of memory allocation Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a th
SEGMENTATION In a memory management system that is properly a programmer views a program to be collection of program components called as segments . Every segment is a logical
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