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Q. What is the basic function of Assembler ?
Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prepare object program for execution. At one instance computer programmer had at his disposal a basic machine that interpreted through hardware certain fundamental instructions. He will program this computer by writing a sequence of ones and zeros(machine language) and place them into the memory of machine.
What is a Dispatcher? The dispatcher is the module that gives control of the CPU to the process selected by the short- term scheduler. This function includes: Switching
What are the benefits of multiprogramming? Responsiveness : Multithreading is an interactive application may permit a program to continue running even if part of it is block
DESCRIBE OPERATING SYSTEM
advantages and disadvantages
Problem: a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk? b) What is the idea behind backing up data on a secondar
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
DIFFERENT MULTITHREADING MODELS Multithreading Models the majority multithreading models fall into one of the following categories of threading implementation: 1. M
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res
What is the use of fork and exec system calls? Fork is a system call by which a latest process is created. Exec is also a system call, which is used after a fork by one of the
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