Question: Why does OS maintain a buffer cache in the memory? Often a buffer cache can be much smaller than the set of data the programs

Why does OS maintain a buffer cache in the memory? Often a buffer cache can be much smaller
than the set of data the programs access on the disk but still is highly effective. Why?

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!

Q:

OPERATING SYSTEM QUIZ 2)On top of the general hardware circuitry, a modern CPU also has special purpose hardware circuits that include [ ]program counter [ ]program status word [ ]stack pointer [...

Q:

Provide a summary technical report with your own words about Pipelined Execution which is also named as Instruction Level Parallelism, addressing mainly the following areas: 1. What is Pipelined...

Q:

CHA P TER 9 Understanding Software: A Primer for Managers 1. INTRODUCTION L E A R N I N G O B J E C T I V E S 1. Recognize the importance of software and its implications for the rm and strategic...

Q:

Hi there! One more question for you. Similar to my last one. I have to have it done by tonight. Let me know if you cannot do it. Here it is: Scenario 3 May I Propose To... You are a partner in a...

Q:

You are a partner in a prestigious accounting firm, and you just received requests for proposal from two companies; Advanced Micro Devices, and Facebook. The deadline for the proposals is, as is...

Q:

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

Q:

Hi there! One more question for you. Similar to my last one. I have to have it done by tonight. Let me know if you cannot do it. Here it is: Scenario 3 May I Propose To... You are a partner in a...

Q:

Hi guys, I am trying to properly answer an accounting question concerning shares, bonds, and stock. I was given two annual reports, and am asked to make a decision on one of the companies depending...

Q:

Question: Check you are in charge of the design of both hardware and software for a new (but fairly conventional) workstation which will have its peripherals (for example a disc drive and a printer)...

Q:

DON'T SUMMARIZE JUST PARAGRAPH OF WHAT YOU THOUGHT/LEARNED CHAPTER 13 - The phrase "garbage in, garbage out" highlights the importance of input controls. If the data entered into a system are...

Q:

(6.0.20) Shown below is a stack of three polarizers. The transmission axis of the finst polarizer is vertical. The transmission axis of the second polarizer makes angle o with the vertical. The...

Q:

The following information was drawn from the annual report of Machine Import Company (MIC): Required a. Compute the percentage of growth in net income from 2009 to 2010. Can stockholders expect a...

Q:

Which of the following are retirement plans for a typical government organization? a . SEP - IRA plans b . SIMPLE plans c . 4 0 3 ( b ) and 4 5 7 ( b ) plans d . Employee stock purchase plans ( ESPP )

Q:

Questions Q1. Write a Python program to retrieve the first and last colors from the following list: color_list = ["red", "green", "white", "blue", "black") Q2. Given the following dictionary,...

Q:

3-27. General purpose:

Q:

3-26. Was the senders purpose realistic?

Q:

Empirically, VSL estimates vary widely by country, income, age, and gender.