Dirty bit for a page in a page table

Dirty bit for a page in a page table 

A) Helps avoid unnecessary writes on a paging device B) Helps maintain LRU information C) Allows only read on a page D) None of the above
by

1 Answer

Answer :

Dirty bit for a page in a page table Helps avoid unnecessary writes on a paging device

by

Related questions

What is the purpose of dirty/modified bit in Cache memory?

Description : What is the purpose of dirty/modified bit in Cache memory?

Last Answer : To tackle whether a page has been written since it was read into the memory, o dirty but is added to the page table.

A 20-bit address bus allows access to a memory of capacity

Description : A 20-bit address bus allows access to a memory of capacity  (1) 1 Mb (2) 2 Mb (3) 32 Mb (4) 64 Mb 

Last Answer : 1MB

Which is true? A) Page Class is a derivative of the Control class. B) Page Class inherits all properties, methods, ...

Description : Which is true?  A) Page Class is a derivative of the Control class. B) Page Class inherits all properties, methods, and events exposed by the Control class. C) Both D) None

Last Answer : Page Class is a derivative of the Control class. And Page Class inherits all properties, methods, and events exposed by the Control class.

In a table to move to the first cell in a row, ____ is the keyboard shortcut key.

Description :  In a table to move to the first cell in a row, ____ is the keyboard shortcut key.  a) Alt+Tab b) Alt+Shift c) Alt+Ctrl d) Alt+Home

Last Answer :  In a table to move to the first cell in a row, Alt+Home is the keyboard shortcut key.

If the number of conditions in a decision table is n, the maximum number of rules (columns) possible is

Description : If the number of conditions in a decision table is n, the maximum number of rules (columns) possible is  A) n B) 2n C) 2n D) log2n

Last Answer : If the number of conditions in a decision table is n, the maximum number of rules (columns) possible is 2n

Assume that we need to download text documents at the rate of 100 pages per minute. A page is an average of 24 lines with 80 characters in each line and each character requires 8 bits. Then the required bit rate of the channel is ................ (A) 1.636 Kbps (B) 1.636 Mbps (C) 2.272 Mbps (D) 3.272 Kbps

Description : Assume that we need to download text documents at the rate of 100 pages per minute. A page is an average of 24 lines with 80 characters in each line and each character requires 8 bits. Then the required bit rate of the channel is ... ...... (A) 1.636 Kbps (B) 1.636 Mbps (C) 2.272 Mbps (D) 3.272 Kbps

Last Answer : Answer: Marks given to all

Describe block diagram of digital comparator and write truth table of 2 bit comparator.

Description : Describe block diagram of digital comparator and write truth table of 2 bit comparator.

Last Answer : Digital comparator is a combinational circuit which compares two numbers, A and B; and evaluates their relative magnitudes. The outcome of the comparison is given by three binary variables which indicate whether A ... Depending on the result of comparison one of these outputs will go high.

I have a table in Power Point that doesn't fit on one page. How do I make the table 'roll' or continue on subsequent pages?

Description : I have a table in Power Point that doesn't fit on one page. How do I make the table 'roll' or continue on subsequent pages?

Last Answer : and you’re doing this on powerpoint? or excel?

Tags and text that do not display directly on the page afe placed in (a) body (b) table -Technology

Description : Tags and text that do not display directly on the page afe placed in (a) body (b) table -Technology

Last Answer : (c) Information in tag is not displayed directly in the Web page. It is used to identify the matter (tags) used in a Web page.

Combining two or more cells in a table on a Web page is called (a) merging (b) spanning -Technology

Description : Combining two or more cells in a table on a Web page is called (a) merging (b) spanning -Technology

Last Answer : (b) Combining two or more cells in a table on a Web page is called spanning.

Name the attributes of <table> tag which are used for specifying its dimensions in a Web page. -Technology

Description : Name the attributes of tag which are used for specifying its dimensions in a Web page. -Technology

Last Answer : width and height attributes of the tag are used for specifying its dimensions in a Web page, width and height are specified in terms of pixels or percentage of the browser window.

Write the HTML code to generate the following table on a Web page with the contents and alignment exactly as shown below: -Technology

Description : Write the HTML code to generate the following table on a Web page with the contents and alignment exactly as shown below: -Technology

Last Answer : The HTML code is

To insert a table on a Web page, we use ………………. tag. -Technology

Description : To insert a table on a Web page, we use ………………. tag. -Technology

Last Answer : To insert a table on a Web page, we use tag.

Write two requirements for creating a table on a web page ?

Description : Write two requirements for creating a table on a web page ?

Last Answer : The two requirements for creating a table on a web page are given below. It is not possible to create individual columns on the web page, so if you want to sort any information in column form, you have ... picture by placing it in the cell of the table and making the wall of the table invisible .

What is the use of sections in a word document: a) To divide the document into parts so that each part may be independently printed when the print command is given. b) To divide the document into parts so as to allow certain parts of the document to display data from a table. c) To vary the layout of a document within a page or between pages by dividing the document into parts and then allow formatting of each part the way you want. d) None of The Above

Description : What is the use of sections in a word document: a) To divide the document into parts so that each part may be independently printed when the print command is given. b) To divide the document into ... document into parts and then allow formatting of each part the way you want. d) None of The Above

Last Answer : To vary the layout of a document within a page or between pages by dividing the document into parts and then allow formatting of each part the way you want.

The virtual address generated by a CPU is 32 bits. The Translation Lookaside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4- cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is (A) 12 bits (B) 15 bits (C) 16 bits (D) 20 bits

Description : The virtual address generated by a CPU is 32 bits. The Translation Lookaside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4- cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is (A) 12 bits (B) 15 bits (C) 16 bits (D) 20 bits

Last Answer : (C) 16 bits Explanation: VirtualAddress = 32 bits PageSize = 4KB = 12 bits therefore : VPNTag = 20 bits, OffsetTag = 12 bits TLBEntryLength = VPNTag = 20 bits TotalTLBEntries = 64, 4-way implies ... therefore : TLBIndex = 4 bits TLBTag = TLBEntryLength - TLBIndex = 20 - 4 = 16 bits

In a demand paging memory system, page table is held in registers. The time taken to service a page fault is 8 m.sec. if an empty frame is available or if the replaced page is not modified, and it takes 20 m.secs., if the replaced page is modified. What is the average access time to service a page fault assuming that the page to be replaced is modified 70% of the time ? (A) 11.6 m.sec. (B) 16.4 m.sec. (C) 28 m.sec. (D) 14 m.sec.

Description : In a demand paging memory system, page table is held in registers. The time taken to service a page fault is 8 m.sec. if an empty frame is available or if the replaced page is not modified, and it takes 20 m.secs., if the replaced ... ? (A) 11.6 m.sec. (B) 16.4 m.sec. (C) 28 m.sec. (D) 14 m.sec.

Last Answer : (B) 16.4 m.sec. 

For the implementation of a paging scheme, suppose the average process size be x bytes, the page size be y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page table and the internal fragmentation loss is given by (A) x/2 (B) xz/2 (C) √2xz (D) (√xz)/2

Description : For the implementation of a paging scheme, suppose the average process size be x bytes, the page size be y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page ... fragmentation loss is given by (A) x/2 (B) xz/2 (C) √2xz (D) (√xz)/2

Last Answer : (C) √2xz 

A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Image Which of the following list of virtual addresses (in decimal) will not cause any page fault if referenced by the CPU? (A) 1024, 3072, 4096, 6144 (B) 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries:  Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)

Why can't Republicans sell their ideas to the American people without resorting into doing dirty politics to win elections?

Description : Why can't Republicans sell their ideas to the American people without resorting into doing dirty politics to win elections?

Last Answer : This saying comes to mind. The Republicans say that government is the problem, and they prove that point every time they win an election.

Do you think a poker player would be always able to catch angle shooting from a more dirty poker player?

Description : Do you think a poker player would be always able to catch angle shooting from a more dirty poker player?

Last Answer : I'm not sure I get the question. In poker you don't announce your cards and don't reveal your hand until the end of the round. Though part of the game does involve deception, as trying to ... even more). However there's no lying about your cards, as you never actually say anything about your cards.

What is "dirty power" and is my space heater generating it?

Description : What is "dirty power" and is my space heater generating it?

Last Answer : Harmonics, they are the source of this dirty power you speak of. DC switching power supplies are some of the worst offenders. These are transients and non 60hz frequencies that are generated by said appliance. ... your heater works but I'm guessing it uses some sort of switching to run on low power.

Which party started modern dirty politics in the US to win elections, Democrats or Republicans?

Description : Which party started modern dirty politics in the US to win elections, Democrats or Republicans?

Last Answer : I think this is something that has been around since the beginning of politics so it isn’t a “modern” issue.

Anyone else checked out the documentary series “Dirty Money” on Netflix?

Description : Anyone else checked out the documentary series “Dirty Money” on Netflix?

Last Answer : I saw it on BTN and read the description but wasn't sold. But I will take your opinion on board and give it a try. downloaded and in plex I do actually have a netflix subscription but I prefer ... The experience is a bit better. However, I do get that netflix misses out on metrics when I torrent.

Do you ever wonder how people can post awful pictures of some dirty item and expect to sell it?

Description : Do you ever wonder how people can post awful pictures of some dirty item and expect to sell it?

Last Answer : Laziness, lack of aesthetic sensibility, lack of empathy, thoughtlessness, lack of photographic skills, aversion to cleaning, lack of cleaning skills, lack of imagination, relationship to all their things as ... their stuff looking crappy that they don't notice or think about it, and/or apathy.

Have you ever looked at something so dirty that you were scared to clean it?

Description : Have you ever looked at something so dirty that you were scared to clean it?

Last Answer : Nothing is do dirty that it can't be cleaned (or attempted). Yes, you should wipe the ceiling fan blades off. Put a sheet or something on the floor. For that matter, you should wipe or ... unbalanced which is, itself, a problem. Curiosity: when was the last time these blades were cleaned? Ever?

Is there any list other than the dirty dozen and the cleanest 15 fruits and vegetables?

Description : Is there any list other than the dirty dozen and the cleanest 15 fruits and vegetables?

Last Answer : A fruit or vegetable that is not on either list, and not closely related to one on either list, is in the middle, not terribly dirty and not outstandingly beneficial. Eat as you choose, just be sure to wash throughly to get any residues off the skin.

Can I color my hair from blonde to darker dirty blonde shade myself if I have never tried coloring it before?

Description : Can I color my hair from blonde to darker dirty blonde shade myself if I have never tried coloring it before?

Last Answer : answer:Sure. You might want to try a temporary that washes out in about 6 weeks if it's your first time. That way if the darker shade is jarring to you it will start to fade after about 3 ... are temporary if you live in America. Edit: Here is the link to the colors available. Same website.

Who washes all the dirty clothes every single day?

Description : Who washes all the dirty clothes every single day?

Last Answer : Unless you have a full load, no, I would not wash clothes every single day. If he wants them washed, then he should do it himself, but I would think it would be costly on your water bill.

What was the worst dirty trick ever played on you?

Description : What was the worst dirty trick ever played on you?

Last Answer : answer:We did not pull pranks in our family. It seemed hurtful. Someone always ends up being the victim. But one time, when my brother and I were about 8 and 9 we pulled a light prank on our Mom ... mother was horrified. And we felt terrible. There's a good chance that was the last prank we pulled.

How many women would voluntarily sit down on a cold, dirty toilet seat to pee if presented with the alternative of using an apparatus such as a man's "handy dispenser"?

Description : How many women would voluntarily sit down on a cold, dirty toilet seat to pee if presented with the alternative of using an apparatus such as a man's "handy dispenser"?

Last Answer : answer:There have been plenty of devices to help women stand-up-to-pee on the market for years. They haven't seem to have taken the world by storm, I don;t know of any women that have used ... wilderness or on road trips with only gas station bathrooms. So to answer your question: Slim to none.

Do you change your pants after getting home because "it's dirty outside"? How about changing pants before going to bed?

Description : Do you change your pants after getting home because "it's dirty outside"? How about changing pants before going to bed?

Last Answer : I just wear my jeans and she said no matter what pants I’m wearing, I’m not allowed to go to bed with the pants which I wear when I’m outside. She even ask me to change them as soon as I get home. Is that normal?

Do you remember who told you your first dirty joke?

Description : Do you remember who told you your first dirty joke?

Last Answer : answer:I do. I was at camp, probably 11–12, and one of my bunkmates was the source. We were hystericak with glee, thinking we had discovered a new secret art form. “How far is The Red Tip Inn?”

Does anyone have separate laundry baskets for clean and dirty clothes?

Description : Does anyone have separate laundry baskets for clean and dirty clothes?

Last Answer : No.

Should you really be a little dirty to fight crime?

Description : Should you really be a little dirty to fight crime?

Last Answer : You might get a little dirty fighting grime but you can always have a good wash afterwards.

[SFW] It's dirty work, but somebody's got to I will do it.

Description : [SFW] It's dirty work, but somebody's got to I will do it.

Last Answer : answer:A few weeks back, my friend asked if I could come over and help her bathe her older, arthritic doggy. I often babysit her 2 dogs, so of course I said yes. Because of his arthritis, he's not ... over and trim him again before his hair got as long as it was before. It's much easier that way.

How does my very dirty neighbor survive his own home?

Description : How does my very dirty neighbor survive his own home?

Last Answer : He has probably already battled all the microbes in his home years ago and is now immune. They say that we are doing ourselves a bit of a disservice by being too aggressive with sanitizing' ... stronger from having been exposed to the cleaning agents. thus we have borne the new superbugs .

What, if any, danger lies in a dirty microwave?

Description : What, if any, danger lies in a dirty microwave?

Last Answer : answer:Not much danger unless it is caked on, inches thick. First, the magnetron in the microwave (that creates the waves) is almost always aimed at the center of the oven. The sides get much fewer waves and ... what kind of a schlock landlord is this? So you may want to clean it to get to renters.

Is there an open ended list, or at least a much longer list similar to the "Dirty Dozen"?

Description : Is there an open ended list, or at least a much longer list similar to the "Dirty Dozen"?

Last Answer : answer:Here's the Dirty Dozen for 2012 that @flo is talking about. Dirtiest foods (Foods best purchased as organic): Celery Sweet bell peppers Peaches Strawberries Nectarines (imported) Grapes Spinach Lettuce ... in the organic section, or to grow them yourself. Citrus & melons we buy conventional.

I boiled pasta in tap water that is very dirty, should I eat it?

Description : I boiled pasta in tap water that is very dirty, should I eat it?

Last Answer : I wouldn’t.

Is it ever ok to resort to playing dirty in order to get the upper hand?

Description : Is it ever ok to resort to playing dirty in order to get the upper hand?

Last Answer : answer:the baby is also a mama? How in the world does that work? I played “dirty” one time in my life, when I was fighting my daughter’s bio mother so I could adopt.

Laundry for Bacheloriods: how do you clean a pair of really dirty pants?

Description : Laundry for Bacheloriods: how do you clean a pair of really dirty pants?

Last Answer : answer:I'm wondering what kind of detergent you're using and whether your machine has a soak cycle on it. I would recommend pre-treating the dirtiest areas with a something like Resolve/Spray ... cycle. If that fails to get the grime out, then you might consider having them professionally cleaned.

If you had limited time to clean a dirty and cluttered house, what would you recommend cleaning or doing to prepare for company?

Description : If you had limited time to clean a dirty and cluttered house, what would you recommend cleaning or doing to prepare for company?

Last Answer : answer:Concentrate on the rooms the visitor will be in: the living room, dining room, bathroom. Close the bedroom doors. I would say pick up the debris.

I'm looking for the "Dirty Dozen" and the "Clean Fifteen" Many websites refer to it, but I can't find the government link. Help?

Description : I'm looking for the "Dirty Dozen" and the "Clean Fifteen" Many websites refer to it, but I can't find the government link. Help?

Last Answer : answer:http://www.ewg.org/foodnews/ Looks like it a privately published listing.

Is it worse to be clean and messy or dirty and tidy?

Description : Is it worse to be clean and messy or dirty and tidy?

Last Answer : I would rather be (and often am) clean but messy.

How tight was the tightest Speedo you ever wore, and who gave you the most approving looks, and the more dirty looks, men or women?

Description : How tight was the tightest Speedo you ever wore, and who gave you the most approving looks, and the more dirty looks, men or women?

Last Answer : Removed by me. Haha.

How short was the shortest mini you ever wore, and who gave you the most approving looks, and the more dirty looks, men or women?

Description : How short was the shortest mini you ever wore, and who gave you the most approving looks, and the more dirty looks, men or women?

Last Answer : How many questions have you asked about mini skirts? A half dozen?

How dirty would someone's house have to be before you refused to visit them?

Description : How dirty would someone's house have to be before you refused to visit them?

Last Answer : I think this question is just perfect for injecting humor. Which kinda goes along with my response. I am not one to easily squirm about filth. God knows I've dealt with it that often. Every morning when I ... usually tag along with me. I could always send my dog. Poor girl's sense of smell is dead.

Are you feeling dirty, jellies? I know that Hungry Guy is. He made his way into the 10K mansion?

Description : Are you feeling dirty, jellies? I know that Hungry Guy is. He made his way into the 10K mansion?

Last Answer : Congratulations! I love your posts and insight.

Can you help me understand why so many people are obsessed with anti-bacterials and hand sanitizers for hands, but find it ok to put their dirty body in bed without showering?

Description : Can you help me understand why so many people are obsessed with anti-bacterials and hand sanitizers for hands, but find it ok to put their dirty body in bed without showering?

Last Answer : hm, that is pretty gnarly.