Operating system problems, computer science, Basic Computer Science

Operating system problems, computer science, Basic Computer Science

Assignment Help:

1. In discussing software algorithms for mutual exclusion, we noted that optimizing compilers and out-of-order execution by processors could invalidate most of these algorithms because such “optimization” does not take into account that the value of a shared variable can be changed by something other than the immediately evident code. This overly-simplistic characterization also happens with I/O devices, especially simple programmed I/O where data or control register contents changes as a result of the state of the device, not as a consequence of execution of processor instructions, as well as with clocks where the current time register changes continually. It also happens when DMA is used to input blocks of data, which is slightly more complex because the addresses whose value changes are not evident literally. What does this imply about device drivers?

Related Discussions:- Operating system problems, computer science

Negative Messages and Blog Related Assignment, Writing Assignment 1: You...

Writing Assignment 1: Your boss wants to know about the risks of corporate blogging and recommended policies to prevent companies from liability. Write a properly informal for

C program , write a c program for below question

write a c program for below question

File management, explain the objectives of file management?

explain the objectives of file management?

Basic of simulation, Task 1 Study various types of systems and simulate a s...

Task 1 Study various types of systems and simulate a system of your own. Task 2 Study various models and enumerate the various steps for designing a corporate model

Database design and mgmt, how to convert ErD to 3NF relational schema

how to convert ErD to 3NF relational schema

Perverse software, is u given is enough for us for this - what is pervere ...

is u given is enough for us for this - what is pervere software and explain in detail?

Assigment, how to measure marginal utility.?

how to measure marginal utility.?

Explanation of characteristics of computers, Problem 1. Briefly explain...

Problem 1. Briefly explain on the characteristics of computers Explanation of characteristics of computers 2. Write a note on Cache Memory Note on Cache Memor

Help for final project, Hello i am a computer science student. now we are g...

Hello i am a computer science student. now we are going to start our final project. we want to work on Google App Inventor and we want to create mobile application. we are two grou

How to set up the location (e.g. plaza, how to set up the location (e.g. pl...

how to set up the location (e.g. plaza, hall of fame, lecture theater or etc.) and services that will be used during the exhibition; devices needed; and finally produced a compreh

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

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