Question: Why does disk cache improve disk performance? Because cache memory is faster than main memory Because it increases the rate at which the disk platters

Why does disk cache improve disk performance?
Because cache memory is faster than main memory
Because it increases the rate at which the disk platters spin
Because disks with cache always spin faster than disks without cache.
Because if data are in the cache, the disk does not need to get the data from a spinning platter.

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 Programming Questions!

Q:

In this assignment, you will design a "homebrew" PC system. You will select and price components including the CPU, motherboard, and disks. You will hand in a brief summary of the system's features,...

Q:

Multiple CHoice QUestions Question 80 Some filesystems require ______________ tools to restore the performance on mechanical drives, which have sections of the filesystem become non-contiguous. Save...

Q:

Description The title of Unit 2, Computer Memory Hierarchy , clearly identifies the theme of this unit. There are four topics covered in Unit 2, as follows: The Memory Hierarchy: Locality and...

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:

Change the original description of the web server system as follows: modify the given scenario, add one or two new scenarios, modify/add new tasks, entries and hardware resources. This will change...

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:

Write a Python script that shows the impact of changing the Miss Rates of cache, main memory and virtual memory (swap disk space). NOTE: Use the following table for cache, memory and virtual memory...

Q:

Background : Back in the days of Microsoft's DOS operating system, the system itself could not use more than 640K bytes of RAM. A typical system also had two 5 1/4 inch floppy drives. If you bought...

Q:

1 a. Parallelism at multiple levels is now the driving force of computer design across all four classes of computers, with energy and cost being the primary constraints. There are basically two kinds...

Q:

Define access control lists and capabilities, and discuss their relative strengths and weaknesses. [5 marks] Describe how the access control list mechanisms work in Unix. You have been asked to build...

Q:

If you are investing, all things being equal, you prefer a. Higher interest rates, shorter compounding periods, and payment at the beginning of the period b. Lower interest rates, shorter compounding...

Q:

Kathleen Taylor has been working for a government contractor, Summit Solutions, in Washington, DC, for over a year. She is now eligible to participate in the companys 401(k) retirement plan. The...

Q:

View Policies Show Attempt History tempt in Progress ed Stock (7%% $100 par n thorized) $510.000 Common Stock ($4 stated value, 510,000 shares authorized) 1,700,000 Paid-in Capital in Excess of...

Q:

Describe under what circumstances employers often discharge an employee. Describe effective hiring practices and the importance of clear communications. Discuss why employment disclaimers are importan