Question: A processor asks for the contents of the virtual memory address 0x30020. The Paging scheme in use breaks this into a VPN of 0x30 and

A processor asks for the contents of the virtual memory address 0x30020. The Paging scheme in use breaks this into a VPN of 0x30 and an offset of 0x020. PTB a CPU register that holds the address of the page table) has a value of 0x100 indicating that This process's page table starts at location 0x100. The machine uses word addressing and the page table entries are each one word long.

PTBR = 0x100

VPN Offset

0x30 0x020

The contents of selected memory locations are:

Physical Address Contents 0x00000 Ox00000 Ox00010 00000 Ox00045 Ox00022 Ox00100 Ox00110 Ox00120

a. What is the physical address calculated?

b. What are the contents of this address returned to the processor?

c. How many memory references would be required (worst case)?

Physical Address Contents 0x00000 Ox00000 Ox00010 00000 Ox00045 Ox00022 Ox00100 Ox00110 Ox00120 Ox00130 Ox10000 03333 Ox10020 Ox04444 0x22000 Ox01111 0x22020 Ox02222 0x45000 Ox05555 0x45020 Ox06666

Step by Step Solution

★★★★★

3.38 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve this problem lets break it down step by step a What is the physical address calculated 1 De... 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 Databases Questions!

What is the difference between simple paging and virtual memory paging?

Virtual memory provides a mechanism for isolating one process from another. What memory management difficulties would be involved in allowing two operating systems to run concurrently? How might...

A processor accesses main memory with an average access time of T2. A smaller cache memory is interposed between the processor and main memory. The cache has a significantly faster access time of T1...

VIEW THE STEP-BY-STEP SOLUTION TO: Title: ABC Appliance Inherent Risk and Control Design Assessment Prepare Inherent Risks and Control Design Assessment. This course project/case... I.Title: ABC...

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

I have to create a program in C and I can't figure it out. The program has to read a source file. Please help. /******************************************************************** PROJECT: Glossary...

NEED IT ASAP PLSSSSSSS 1 Introduction and purpose In this project you will write some functions to manipulate the instructions of a fictional simple processor named the MAD Raisin. The MAD Raisin CPU...

can someone solve this Modern workstations typically have memory systems that incorporate two or three levels of caching. Explain why they are designed like this. [4 marks] In order to investigate...

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...

Question 7 Not yet If $120,000 is collected in advance on October 1 for 6-month magazine subscriptions, the amount of UNEARNED SUBSCRIPTION REVENUE by November 30 is: answered Marked out of 100 Flag...

The document that governs the relationship between the A-Note holder and the B-Note holder is the a)Subordination Agreement b)Intercreditor Agreement c)Participation or Co-lender Agreement...

Select the misleading graph. Line chart of Monthly average temperature. Month is on the x axis and average temperature is on the y-axis. Scatterplot with rainfall on the x-axis and tree density on...

Greece is now subject to "enhanced supervision" by euro zone creditors, having exited the bail- out programme in August 2018. The government has committed to meeting annual primary budget __________...

A manufacturing company has recently outsourced its entire operations processes. Moreover, the CEO has decided to start an e-commerce business model to find a new market to target consumers with...

Primary source analysis. There are three newspaper excerpts included in the Election of 1800 section of the lesson. For each source, identify if it was a Republican newspaper (in favor of the...

HW2.doc 2.pdf This set of homework is for the contents covered in Chapter 3 Data Encryption Standard. 1. Answer the following concept questions about DES 1) What are the block size and key length? 2)...

Test whether the 5-year survival rate for breast cancer is significantly different between African American and Caucasian women who are younger than 50 years of age and have localized disease....

VMware does binary translation one basic block at a time, then it executes the block and starts translating the next one. Could it translate the entire program in advance and then execute it? If so,...

After getting your degree, you apply for a job as director of a large university computer center that has just put its ancient mainframe system out to pasture and switched over to a large LAN server...

A thin-client terminal is used to display a Web page containing an animated cartoon of size 400 pixels 160 pixels running at 10 frames/sec. What fraction of a 100-Mbps Fast Ethernet is consumed by...

Your Talent Agency Ltd.'s unadjusted and adjusted trial balances at December 31, 2017, are shown below. Requirements 1. Make the adjusting entries that account for the difference between the two...

During 2017, Many Miles Trucking paid salary expense of $40 million. At December 31, Many Miles accrued salary expense of $2 million. Many Miles paid $1.9 million to its employees on January 3, 2018,...

A company's balance sheet at December 31, 2015, 2016, and 2017 and income statement for the years ended December 31, 2015, 2016, and 2017 include the data on pages 169-170. Requirements Use the years...