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 a layer that is not of an io management module, Define a layer that ...

Define a layer that is not of an IO management module  MCS that is Management Control System is not of an IO management module

What is the translation lookaside buffer, What is the Translation Lookaside...

What is the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in

Example of producer consumer - semaphore, Now let's implement bounded produ...

Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo

Kernel to context switch between kernel level threads, Q. Explain the actio...

Q. Explain the actions taken by a kernel to context switch between kernel level threads. Answer: Context switching among kernel threads classically requires saving the value

How many cubic feet of storage space would require, Q. Presume that we agr...

Q. Presume that we agree that 1 kilobyte is 1,024 bytes 1 megabyte is 1,0242 bytes and 1 gigabyte is 1,0243 bytes. This progression carries on through terabytes, petabytes, and ex

Define rotational latency and disk bandwidth, Define rotational latency and...

Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the wanted sector to the disk head. The disk bandwidth is

Estimation the number of input - output per second, Q. Remapping of bad bl...

Q. Remapping of bad blocks by sector sparing or else sector slipping could influence performance. Presume that the drive in Subsequent Exercise has a total of 100 bad sectors at r

How does user specify block to be fetched in direct access, How does user s...

How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.

Process abstraction in operating systems, Many early operating systems rega...

Many early operating systems regarded processes as different timesharing users. The process abstraction is a popular way to organize concurrent programs, but it is not the only cho

What are the various process scheduling concepts, What are the various proc...

What are the various process scheduling concepts? a) Scheduling queues with diagram b) Queuing diagram c) Schedulers d) Context switch with diagram

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