Question: Explain the difference between user and kernel modes in modern operating systems. What can be done in kernel that can't be done in user mode?

Explain the difference between user and kernel modes in modern operating systems. What can be done in kernel that can't be done in user mode? What access does kernel mode code have that user mode code does not have? How does the system switch between user and kernel mode?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

1. Review the discussion in Chapter 2 on policy and mechanism. Categorize each of the operating systems functions below as a policy or a mechanism and explain your choice. a. deciding which which...

Which of the following is a basic function all computers perform? (Choose three.) processing Internet access graphics input email output 2. Which of the following executes instructions provided by...

The diagram below depicts the general architecture of the Windows operating system Describe the purpose of four of the components shown in the diagram below Explain the difference between User Mode...

help with the following please. Thanks in advance! The diagram below depicts the general architecture of the Windows operating system Describe the purpose of four of the components shown in the...

Log File Overview Log files (also spelled logfiles), are files used by computers to log events. Software programs, background processes, services, or transactions between services, including the...

its about networking, there are resources online to help you. i need pharaphrasing copy and paste online and you will see more clarifications Lab Work In your own words, whe a short perngrep for each...

Introduction An operating system is just a program that manages your hardware, dividing up the resources of your computer fairly and reasonably among the multiple programs that you want to run. We...

answer all questions promptly What is the maximum segment length of a 100Base-FX netdwork,Thelast character('X', etc) refers to the line code method used. Line code is a pattern of voltage, current...

This question involves the use of AGGREGATE linear PYTHOIN regression on the Auto data set. (a) Perform a simple linear regression with mpg as the response and horsepower as the predictor. Describe...

operating systems thank you 1. What are the three main purposes of an operating system? 2. We have stressed the need for an operating system to make efficient use of the computing hardware. When is...

The genetic code is thought to have evolved to maximize genetic stability by minimizing the effect on protein function of most substitution mutations (single-base changes). We will use the six...

Global Systems Inc. has just paid $2 in dividends (D0 = $2). The firm is expected to continue paying dividends in perpetuity. a. Suppose that the dividends are constant (Di = $2 for all i). What will...

Which one of these best Gefines Squidy risk? Liquidity fisk is the possibility that an asset's price must be lowered below fair market value in order to self the asset on short nofice. Liquility risk...

QUESTION 2 [35 MARKS] Palma Ltd, a manufacturer of games accessories and boys toys, is engaged in rapid expansion. Management has been advised that discounted cash flow techniques provide the most...

3. Define the attributions we use to explain behavior

2. Describe how you managed an impression of yourself in a face-to-face interaction and a mediated one. Describe your conscious preparations for this impression management, and then describe the...

1. Describe how our personal perspective on the world influences our communication