NTA NET CSA Test Code NN1804

1. An operating system supports a paged virtual memory, using a central processor with a cycle time of one microsecond. It costs an additional one microsecond to access a page other than the current one. Pages have 1000 words, and the paging device is a drum that rotates at 3000 revolutions per minute and transfers one million words per second. Further, one percent of all instructions executed accessed a page other than the current page. The instruction that accessed another page, 80% accessed a page already in memory and when a new page was required, the replaced page was modified 50% of the time. What is the effective access time on this system, assuming that the system is running only one process and the processor is idle during drum transfers ?

 
 
 
 

2. Assuming that the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O block requests are 98, 37, 14, 124, 65, 67

 
 
 
 

3. A job has four pages A, B, C, D and the main memory has two page frames only. The job needs to process its pages in following order:

ABACABDBACD

Assuming that a page interrupt occurs when a new page is brought in the main memory, irrespective of whether the page is swapped out or not. The number of page interrupts in FIFO and LRU page replacement algorithms are

 
 
 
 

4. A file is downloaded in a home computer using a 56 kbps MODEM connected to an Internet Service Provider. If the download of file completes in 2 minutes, what is the maximum size of data downloaded?

 
 
 
 

5. A Trojan horse is

 
 
 
 

6. The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using

 
 
 
 

7. Which of the following is not typically a benefit of dynamic linking?

  1. Reduction in overall program execution time.
  2. Reduction in overall space consumption in memory.
  3. Reduction in overall space consumption on disk
  4. Reduction in the cost of software updates.
 
 
 
 

8. An ER Model includes

  1.  An ER diagram portraying entity types.
  2. Attributes for each entity type
  3. Relationships among entity types
  4. Semantic integrity constraints that reflects the business rules about data not captured in the ER diagram.
 
 
 
 

9. What is Granularity?

 
 
 
 

10. Consider the following four schedules due to three transactions (indicated by the subscript) using read and write on a data item X, denoted by r(X) and w(X) respectively. Which one of them is conflict serializable?

S1 : r1(X); r2(X); w1(X); r3(X); w2(X)

S2 : r2(X); r1(X); w2(X); r3(X); w1(X)

S3 : r3(X); r2(X); r1(X); w2(X); w1(X)

S4 : r2(X); w2(X); r3(X); r1(X); w1(X)

 
 
 
 

Share this...
Share on Facebook
Facebook
Tweet about this on Twitter
Twitter

101 thoughts on “NTA NET CSA Test Code NN1804”

  1. I was just searching for this info for some time. After 6 hours of continuous Googleing, at last I got it in your web site. I wonder what’s the lack of Google strategy that do not rank this kind of informative web sites in top of the list. Normally the top websites are full of garbage.

  2. Thanks a lot for providing individuals with remarkably memorable chance to read in detail from this web site. It is always very beneficial and stuffed with a good time for me personally and my office peers to search your website not less than 3 times in one week to read through the new guidance you will have. And indeed, I am just actually fulfilled concerning the sensational techniques you give. Selected two ideas in this posting are basically the most beneficial we’ve had.

  3. I needed to draft you the bit of word to say thanks a lot over again on the lovely opinions you have shared on this page. It’s simply extremely open-handed with people like you to convey without restraint just what most people would have made available for an ebook to earn some dough for their own end, primarily seeing that you might have tried it if you decided. Those creative ideas additionally worked to be a easy way to realize that other people have the identical eagerness just as mine to figure out way more in respect of this problem. I am sure there are numerous more pleasurable situations ahead for many who check out your site.

  4. I think this is one of the most important information for me.
    And i’m glad reading your article. But want to remark on few general things, The website style is great, the articles is really excellent :
    D. Good job, cheers

  5. A lot of thanks for all of the efforts on this site. My aunt really likes doing investigations and it is easy to see why. All of us learn all of the dynamic way you provide vital suggestions by means of your web site and in addition boost participation from other individuals about this subject so our own girl is starting to learn a lot of things. Take advantage of the remaining portion of the year. You’re conducting a good job.

  6. Excellent goods from you, man. I have understand your stuff previous to and you’re just too wonderful. I really like what you have acquired here, certainly like what you’re stating and the way in which you say it. You make it enjoyable and you still care for to keep it sensible. I can’t wait to read much more from you. This is really a tremendous web site.

  7. My wife and i got so relieved Louis managed to conclude his inquiry from your ideas he got while using the web site. It is now and again perplexing to just find yourself giving for free guidelines which usually the others might have been making money from. We grasp we have you to thank for that. All the illustrations you have made, the simple website navigation, the friendships you will make it possible to promote – it’s got everything sensational, and it’s really aiding our son and the family feel that this topic is fun, and that’s particularly vital. Many thanks for the whole lot!

  8. I intended to send you that tiny word to be able to thank you so much again for your personal stunning secrets you have featured on this site. It was quite open-handed of people like you to present easily precisely what a few individuals could possibly have offered for sale as an e book to help with making some dough on their own, primarily since you might well have tried it in case you decided. Those tactics in addition worked like the good way to comprehend other people online have the same fervor the same as my personal own to grasp more in respect of this issue. I know there are thousands of more fun situations ahead for many who look into your blog post.

  9. I and also my friends happened to be looking at the excellent advice on your web blog while unexpectedly came up with an awful suspicion I never expressed respect to you for them. My women are already very interested to read through them and have in effect definitely been having fun with these things. I appreciate you for being quite considerate as well as for picking out this sort of terrific themes most people are really wanting to know about. My sincere regret for not expressing appreciation to earlier.

  10. I wish to express my appreciation to you just for bailing me out of this particular problem. Right after surfing through the world wide web and obtaining suggestions that were not productive, I assumed my life was done. Being alive without the approaches to the difficulties you have fixed by way of your entire guide is a serious case, and the ones which could have adversely damaged my entire career if I hadn’t noticed your web blog. That capability and kindness in taking care of almost everything was tremendous. I don’t know what I would have done if I had not come upon such a stuff like this. It’s possible to at this time look ahead to my future. Thanks for your time very much for your professional and effective guide. I will not be reluctant to suggest the website to anybody who wants and needs tips about this subject matter.

  11. My spouse and i got very peaceful when Louis could complete his investigations via the ideas he obtained from your blog. It’s not at all simplistic to simply choose to be giving away guidelines other folks might have been trying to sell. Therefore we remember we have the blog owner to appreciate for that. The entire explanations you’ve made, the straightforward site navigation, the friendships you can give support to promote – it is most fabulous, and it’s letting our son and our family know that this content is exciting, and that’s truly serious. Many thanks for the whole lot!

  12. Thanks so much for giving everyone remarkably remarkable opportunity to discover important secrets from here. It can be so pleasant plus full of a great time for me personally and my office fellow workers to visit the blog a minimum of 3 times in 7 days to read through the latest guides you have. And indeed, I am also at all times pleased considering the extraordinary points you give. Selected two ideas in this post are ultimately the most efficient we’ve had.

  13. I wanted to develop a simple message to be able to appreciate you for those pleasant secrets you are posting at this website. My extensive internet research has at the end been compensated with good quality facts to exchange with my visitors. I would claim that many of us readers actually are quite lucky to live in a good website with so many perfect people with good principles. I feel truly privileged to have seen your entire site and look forward to really more exciting minutes reading here. Thank you once again for a lot of things.

  14. That is the best blog for anyone who needs to seek out out about this topic. You notice so much its virtually arduous to argue with you (not that I really would need匟aHa). You undoubtedly put a new spin on a topic thats been written about for years. Great stuff, simply nice!

  15. I wanted to compose you the little bit of word in order to thank you so much yet again for the nice opinions you have provided in this case. It has been really tremendously open-handed of people like you to make publicly exactly what many people might have marketed for an e-book to end up making some bucks for themselves, primarily considering that you might well have tried it in the event you desired. Those things likewise acted to become a fantastic way to know that other people online have the same zeal much like my own to understand good deal more around this matter. I think there are thousands of more fun occasions ahead for individuals who discover your blog.

  16. I’m also commenting to let you know of the extraordinary discovery my girl found reading through yuor web blog. She discovered lots of issues, not to mention what it’s like to possess an excellent coaching style to make men and women without problems learn about several impossible issues. You undoubtedly exceeded readers’ desires. Thank you for coming up with such interesting, trustworthy, educational and in addition cool tips about this topic to Emily.

  17. My husband and i ended up being absolutely joyful that John managed to conclude his reports through the entire ideas he acquired using your blog. It is now and again perplexing just to happen to be freely giving helpful tips the others could have been trying to sell. And we also already know we now have the writer to be grateful to for this. The illustrations you made, the simple blog navigation, the relationships you can make it easier to instill – it’s everything extraordinary, and it’s letting our son and us feel that this matter is thrilling, which is certainly highly pressing. Many thanks for all the pieces!

  18. I and also my friends ended up reading the great things located on the website then before long I had a horrible suspicion I had not thanked the site owner for those strategies. All the boys are actually certainly warmed to learn them and already have in truth been making the most of them. Thanks for really being simply considerate and for getting some superior subjects millions of individuals are really desirous to know about. My honest regret for not expressing gratitude to you sooner.

  19. I have to point out my appreciation for your generosity for people who require guidance on that area. Your real dedication to getting the solution around has been quite interesting and has usually made girls like me to attain their endeavors. Your amazing informative recommendations signifies this much to me and even further to my colleagues. With thanks; from all of us.

  20. I simply wanted to send a word to be able to say thanks to you for all the precious techniques you are writing on this site. My considerable internet search has at the end been paid with incredibly good points to go over with my colleagues. I would state that that most of us readers actually are very much blessed to exist in a superb site with many perfect individuals with great suggestions. I feel extremely fortunate to have encountered the web page and look forward to some more fabulous minutes reading here. Thanks a lot once again for a lot of things.

  21. A lot of thanks for all your valuable effort on this web site. My daughter really likes getting into research and it is easy to see why. We notice all concerning the lively ways you present invaluable solutions by means of your website and in addition inspire response from people on this concept then my princess is actually understanding a great deal. Take advantage of the remaining portion of the new year. You’re the one performing a superb job.

  22. I want to convey my affection for your kind-heartedness supporting individuals that must have guidance on this important subject. Your special commitment to passing the solution across was exceedingly important and have encouraged regular people just like me to realize their targets. The insightful information entails so much a person like me and further more to my office colleagues. Thanks a ton; from each one of us.

  23. I have to express my appreciation to this writer just for rescuing me from this particular predicament. Just after browsing throughout the world wide web and finding concepts which were not helpful, I believed my entire life was done. Living without the presence of answers to the difficulties you have fixed by means of this write-up is a critical case, as well as ones that would have in a negative way affected my entire career if I had not encountered your web site. Your talents and kindness in playing with a lot of stuff was very helpful. I don’t know what I would have done if I hadn’t come upon such a subject like this. I can also now relish my future. Thanks for your time so much for your reliable and sensible guide. I will not be reluctant to suggest the sites to anybody who will need assistance about this subject.

  24. I simply wanted to say thanks once more. I’m not certain the things that I could possibly have accomplished in the absence of the actual ways documented by you about this question. Completely was a real frightening condition in my opinion, nevertheless taking note of a well-written strategy you resolved the issue took me to weep over gladness. Now i am happier for your information and thus hope you recognize what a powerful job you are always providing instructing many people thru your blog. I’m certain you have never got to know all of us.

  25. I as well as my guys happened to be following the best tricks found on the blog and then quickly came up with an awful feeling I never thanked the web blog owner for those tips. My women were definitely so excited to see them and have in effect very much been having fun with those things. Thank you for really being quite helpful and for making a decision on this sort of essential areas most people are really eager to understand about. My very own sincere regret for not expressing appreciation to earlier.

  26. I am also writing to make you know what a useful discovery our child gained visiting the blog. She discovered a good number of issues, including how it is like to have an incredible giving nature to have others without difficulty fully grasp some extremely tough topics. You actually exceeded her expectations. Many thanks for churning out such priceless, dependable, informative and in addition cool tips on the topic to Julie.

  27. I have to express my admiration for your kind-heartedness giving support to men who have the need for assistance with your content. Your personal commitment to passing the message across became especially powerful and has continually allowed individuals just like me to attain their goals. Your amazing warm and friendly advice indicates a whole lot to me and somewhat more to my peers. Thanks a ton; from everyone of us.

  28. I must express some appreciation to this writer for rescuing me from this incident. As a result of researching throughout the search engines and getting basics which were not productive, I figured my entire life was over. Living devoid of the solutions to the difficulties you’ve sorted out all through your entire article is a crucial case, as well as those that could have badly affected my career if I hadn’t encountered your web page. The training and kindness in controlling the whole lot was precious. I’m not sure what I would’ve done if I had not encountered such a thing like this. I can at this time look ahead to my future. Thanks very much for your expert and amazing help. I will not think twice to recommend the blog to anyone who would need guidance about this issue.

  29. I and also my friends were actually analyzing the good guides found on your web page and immediately I got an awful suspicion I never expressed respect to the website owner for those strategies. Those women are actually totally joyful to see them and now have without a doubt been taking advantage of those things. Appreciate your really being very accommodating and also for opting for this sort of superior areas millions of individuals are really eager to discover. My very own sincere apologies for not expressing gratitude to you earlier.

  30. I simply had to say thanks once more. I do not know what I would’ve taken care of in the absence of these tips discussed by you concerning such area of interest. It has been a intimidating condition for me personally, nevertheless looking at the very specialized way you solved the issue forced me to weep for delight. I’m thankful for your support as well as hope you know what a great job you happen to be carrying out training most people with the aid of your web page. More than likely you’ve never encountered all of us.

  31. I want to show my appreciation to the writer just for bailing me out of this type of condition. After exploring throughout the world wide web and finding things that were not productive, I thought my life was well over. Being alive without the presence of answers to the issues you have solved all through the article content is a serious case, and those which may have negatively affected my career if I hadn’t come across your website. Your understanding and kindness in taking care of every part was helpful. I am not sure what I would’ve done if I had not encountered such a solution like this. I am able to at this moment look ahead to my future. Thanks a lot very much for this reliable and results-oriented help. I will not hesitate to endorse the blog to anybody who needs guidelines on this topic.

  32. Thanks for each of your hard work on this web site. My daughter really loves managing internet research and it is easy to see why. We all know all regarding the lively method you offer informative solutions via your web blog and encourage contribution from website visitors on the subject and our favorite simple princess is always starting to learn a lot. Take pleasure in the remaining portion of the new year. You are performing a good job.

Leave a Reply

Your email address will not be published. Required fields are marked *