What is a dispatcher, Operating System

Assignment Help:

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 context
  • Switching to user mode
  • Jumping to the proper location in the user program to restart that program.

 


Related Discussions:- What is a dispatcher

Define busy waiting and spinlock, Define busy waiting and spinlock. Whe...

Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c

What is the use of system calls, Q. What is the use of system calls? A...

Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.

Define swapping, Define swapping. A process requires being in memory to...

Define swapping. A process requires being in memory to be executed. Though a process can be swapped temporarily out of memory to a backing store and then brought back into memo

Designing issues in a network-scalability, Scalability Scalability is t...

Scalability Scalability is the ability of the system to adapt to increased service load. A scalable system will respond more gracefully to increased load than a non scalable on

Threads, What is single and multithreading and thread pool?

What is single and multithreading and thread pool?

Can broadcast packets pass between networks, Q. Why would it be an awful id...

Q. Why would it be an awful idea for gateways to pass broadcast packets between networks? What would be the merite of doing so? Answer: All broadcasts would be spreads to all

Define request edge and assignment edge, Define request edge and assignment...

Define request edge and assignment edge. Answer:  A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance

What is a path name, What is a path name? A pathname is the path from t...

What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name explain a pa

How is a process chosen for being swapped either in or out?, How is a proce...

How is a process chosen for being swapped either in or out? Swap out: a.         If the process is idle. b.         If process has been in main memory for a long time.

PSEUDO CODE FOR PROGRAM, THE PROGRAM WILL CHOOSE TWO RANDOM NUMBERS,THEN PR...

THE PROGRAM WILL CHOOSE TWO RANDOM NUMBERS,THEN PRINT THEM OUT AS AN ADDITION PROBLEM.THE PROGRAM WILL THEN ASK THE USERTO ENTER THE CORRECT ANSWER.IF THE ANSWER IS CORRECT,THE PRO

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd