How is memory management done using bit maps?, Operating System

Assignment Help:

How is memory management done using bit maps?

A bit map is here in this we signify the bit value as 0 or 1.

1-hole

0-process

In this we are able to represent the process and hole separately. In one line of this bit map will have eight spaces

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!

!!!!

!!!

!!!

!!!

1         2       3     4     5     6        7       8      9       10      11     12    13    14    15    16    17      

Here the red colored shows free holes in he bit map we are able to represent this as follows

1

1

1

1

1

0

0

0

1

1

1

0

0

0

1

1

1

 

 

 

 

 

 

 

1-represents a process

0-repressents a hole


Related Discussions:- How is memory management done using bit maps?

What is meant by context switch, What is meant by context switch? Switc...

What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is

Explain the reasons why an organisation fail to plan, Problem 1: (a) Wh...

Problem 1: (a) What are the likely benefits which an organisation may derive from the planning process? (b) Explain the main reasons why an organisation may fail to plan.

Identifying parallelism, Identifying parallelism A formal way to identi...

Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to

Data transfer between two processes, Q. Data transfer between two processes...

Q. Data transfer between two processes? Communication: Data transfer between two processes is essential for some time. Both processes are on the one computer or on different

Which of the subsequent instructions should be privileged, Q. Which of the ...

Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr

Explain deadlock prevention, Deadlock Prevention Prevention is the name...

Deadlock Prevention Prevention is the name given to method that guarantee that deadlocks can never happen for the reason that the way the system is structured. Since 4 conditio

Memory hierarchy, Difference between cache and associate memory

Difference between cache and associate memory

Major advantage of the layered approach to system design, Q. What is the ma...

Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach? Answer: As in all cases of modular design as well

What are the benefits of thread pools, What are the benefits of thread pool...

What are the benefits of thread pools:- The benefits of thread pools are 1. It is usually faster to service a request with an existing thread than waiting to make a thread.

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