Question: 1. Describe why direct memory access (DMA) is considered an efficient mechanism for performing I/O? 2. What is Context Switching? 3. Explain the concept of

1. Describe why direct memory access (DMA) is considered an efficient mechanism for performing I/O?
2. What is Context Switching?
3. Explain the concept of a CPU–I/O burst cycle?
4. What is a thread pool and why is it used?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

1 Direct Memory Access DMA Efficiency DMA is considered efficient for IO because it offloads data transfer tasks from the CPU to a dedicated DMA contr... View full answer

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 Operating System Questions!

Describe why direct memory access (DMA) is considered an efficient mechanism for performing I/O. Distinguish between uniform memory access (UMA) and non-uniform memory access(NUMA) systems. What are...

Explain the concept of a pool rote in activity-based costing information developed by the ABC project costing. (Refer to Exhibit) INFORMATION SUPPLIED BY ABC PROJECT TEAM Cost driver quantity for...

A File ControlBlock ( FCB ) is a file systemstructure in which the state of an open file ismaintained. A FCB is managed by the operating system, but itresides in the memory of the program that uses...

State what is meant by a directed graph and a strongly connected component. Illustrate your description by giving an example of such a graph with 8 vertices and 12 edges that has three strongly...

You have been asked to work as a usability consultant, for a company where the development team has created a new version of an existing product. Two important requirements were that the new user...

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...

I WILL REJECT AND REPORT THE ANSWER. ANSWER ALL THE QUESTIONS IN DETAILS What is the maximum segment length of a 100Base-FX network, The last character ('X', etc) refers to the line code method used....

DETAILS What is the maximum segment length of a 100Base-FX netdwork, The last character ('X', etc) refers to the line code method used. Line code is a patdtern of voltage, current or photons used to...

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...

explain (a) Describe how mutual-exclusion locks provided by the synchronized keyword can be used to control access to shared data structures. In particular you should be clear about the behaviour of...

The following accounts and their balances were selected from the unadjusted trial balance of REO Inc., a freight forwarder, at October 31, the end of the current fiscal year: Preferred 2% Stock, $100...

Provide a general expression of the movie silence 2016.

What would the financial plan be for a virtual busieness ?

3. A magazine article featured parents who filed a "wrongful birth" lawsuit against their doctor for failing to offer prenatal testing for spina bifida, which their daughter was born with in...

What is global consumer culture positioning (GCCP)? What other strategic positioning choices do global marketers have? Your answer must not be copied from the internet or any other source, you must...

Forensics Focus 1. In the 1870s, prison inspector and self-described sociologist Richard Dugdale noticed that many inmates at his facility in Ulster County, New York, were related. He began studying...

3. A magazine article featured parents who filed a "wrongful birth" lawsuit against their doctor for failing to offer prenatal testing for spina bifida, which their daughter was born with in...

In many cases, the decision maker is only aware of the tip of the true problem. What seems to be the problem may be no more than a symptom, and much of the underlying information is unavailable or...

Sippican Corporation (A)* The decline in our profits has become intolerable. The severe price cutting in pumps has dropped our pre-tax margin to less than 2%, far below our historical 15% margins....

How can management accounting information produce behavioral and organizational reactions?

What are the two essential financial elements needed to arrive at a target cost?

Refer to Solved Problem 1. Prepare an aggregate plan that uses overtime ($ 9 per unit, maximum output 25 units per period) and inventory variation. Try to minimize backlogs. The ending inventory in...

1. The objective is to choose the plan that has the lowest cost. Which plan would you recommend? 2. Presumably, information about the new line has been shared with supply chain partners. Explain what...

Briefly define or explain each of these terms. a. Master schedule. b. Bill of materials. c. Inventory records. d. Gross requirements. e. Net requirements. f. Time-phased plan.