Computer Science CSS Paper 2003
FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS
IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2003.
COMPUTER SCIENCE
TIME ALLOWED: THREE HOURS MAXIMUM MARKS:100
Notc:Attempt FIVE questions in all, including QUESTION NO. 8 which is COMPULSORY. Select at least ONE question from each of the SECTIONS -1, H and HI. All questions carry EQUAL marks. Illustrate your answer with diagrams and sketches wherever necessary. Answer-should be neat, clean and to the point. Avoid unnecessary details but record facts and any assumptions made. -;
SECTION-1
1. (a) What is the BIOS and what functions are preformed by it?. ‘ (10)
(b) What is Virtual Memory and how many ways it is implemented? In this context describe some three process scheduling techniques? (10)
- (a) What do you mean by a linear system? Give an example of it.
Explain how Gaussian elimination algorithm can be used to solve a linear system of equations? Why this algorithm is suitable for parallelization? ‘ (10) (b) ‘ Explain various addressing modes of instructions with examples. What is the process control Block and what are its functions. (10)
- (a) What factors would you consider if you are asked to design, a LAN from scratch? Assume that all Hardware requirements can be. satisfied appropriately. (10)
(b) What is the basic difference between a Switch and a Hub State which device controls the collision domains battery (10)
SECTION~11
4. (a) How the complexity of, an algorithm is measured? Define and explain Greedy Algorithms. (10)
(b) Discuss various types of team structure that can be formed for software development, Also explain briefly why the feasibility of producing quality software is’ reduced if project risk is great. (10)
5 (a) Provide three examples of fourth generation Software Engineering technique, Explain COCOMO model for software estimation; Discuss your perception of ideal training send background for a system analyst.
(b) Differentiate between the parameter passing paradigm “calls by value” and “call by reference”. Also find out the result of the following expressions. Execute each expression independently.
int a = 40. b = -8, c = 2, p * 9, q = 4, p= 12, x 5, >= 10
(a) x + =!(!x)*!!yc
(b) p = q + + %-q++
(c) x = (a% b> ?(a% c> 0 ? 3 ! 4 ): ( b> c ? 5 ! 6)
(d) P-=.q++%-q++
(e) x = P + + –q + + + h
6–
(a) Describe various 2D-transformations and represent them in normal form. (10)
(b) Explain the concept of ODBC, with the help of an architectural diagram.
What problems are caused by data redundancies? Can data redundancies be completely eliminated when the database, approach is used? Why or why not? (10)
7–(a) Define 3NF, BCNF. Give an example of a relation in 3NF but not in BCNF. Transform that relation in BCNF. What arc checkpoints? Where they are used? Why? (10)
(b) With the help of appropriate diagram explain the CG! programming environment in detail. Write a CG! based Peri script that keeps track of the number of visitors to the home page of a certain site. (10)
COMPULSORY QUESTION
8–(A) Write only True or False in the Answer Book. Do not reproduce the question. (1×10)
(1) A feature of an operating system that allows more than one program to run simultaneously is called Multitasking.
(2) A trackball operates like a joystick on its back. It is extremely useful when there isn’t enough space to use a mouse,
(3) Digitizing Tablet is a’special Input device that is mainly used to digitize vector-oriented design or pictures.
(4) Dedicated line is a high speed cable line that is not permanently wired into the internet.
(5) A Router is a network device that helps LANs and WANs achieve interoperability and connectivity and thai can link LANs that have different network topologies, such as Ethernet and Token Ring.
(6) Internet Protocol is a routable protocol in the backbone that is responsible for IP addressing, routing, and the fragmentation and reassembly of IP packets.
(7) Telnet is an Internet connection that enables a user to terminate an active connection with a computer at a remote site.
(8) ESD stands for Electronic Static Distance.
(9) IRQ is Interrupt Request.
(10) Copyright computer programs made available on trial basis are called shareware.
(B) Please choose^he most appropriate answer from the given set of answers. . (.1×5)
(11) What is the long form of ‘CMOS’?
(a) Complimentary Metal Oxide Semiconductor V
(b) Complex Metal Oxide Semiconductor
(c) Controller Metal Oxide Semiconductor
(d) Complimentary Metal Oxide Sets.
(12) What is a Y-Connector? ‘
(a) A’Y-Shaped splitter cable that divides a source input into two output signals.
(b) A Y-Shaped splitter connector that divides a source input into two output signals.
(c) A Y-Shaped splitter card that divides’a source input into two output signals.
(d) None of the above.
(13) What do you mean by IBM-Compatible’?
(a) A computer that has a processor that is compatible with the original IBM PC.
(b) A computer that has a processor that is similar to original IBM PC
(c) A computer that has a casing that is similar original IBM PC.
(d) None of the above
(14) What do you mean by “virtual? Select’all that apply:
(a) In general, it distinguishes something that is merely conceptual from something that has physical reality,
(b) Real
(c) Not real.
(d) None of the above
(15) Select correct statement describing a term ‘stateless’?
(a) Having all information about what occurred previously
(b) Having some information about what occurred previously
(c) Having no information about what occurred previously
(d) Having new information about what occurred previously
(C) Write short answers to the following: (5)
(16) MAN
(17) Polymorphism in OOPS
(18) HTML
(19) Business management and IT.
(20) Usenet
499851 54762I always was interested in this subject and nonetheless am, thankyou for posting . 553993
23862 8360I enjoy your writing type, do keep on writing! Ill be back! 777001
354053 695060Excellent day! Do you know if they make any plugins to protect against hackers? Im kinda paranoid about losing everything Ive worked hard on. Any tips? 343818
563937 175997Outstanding post, I believe blog owners ought to larn a lot from this blog its truly user genial . 910004
561558 800054The web site loading velocity is amazing. 152336
943971 439251The vacation trades offered are evaluated a variety of inside the chosen and simply excellent value all about the world. Those hostels are normally based towards households which youll discover accented by way of charming shores promoting crystal-clear fishing holes, concurrent of ones Ocean. Hotels Discounts 672767
168880 982314Hello. Neat post. There is an concern with your web site in firefox, and you may want to test this The browser will be the market chief and a big part of other people will miss your amazing writing because of this issue. 841009
317460 851823You may locate effective specific development of any L . a . Weight loss program and each and every youre very essential. To begin with level is an natural misplacing during the too significantly weight. lose belly fat 834752
576127 191376I got what you intend,bookmarked , quite decent internet site . 989153
428268 788851I gotta bookmark this internet site it seems quite valuable . 463933
693147 319664I always was concerned in this subject and stock still am, regards for posting . 30773
933194 35073Yeah bookmaking this wasnt a risky decision outstanding post! . 640644
672409 721799I see something genuinely particular in this internet web site . 898987
I am sure this piece of writing has touched all the internet users, its really really nice piece of writing
on building up new webpage.
273491 852774I really glad to find this site on bing, just what I was looking for : D as nicely saved to favorites . 275269
Stunning story there. What happened after? Thanks!
I think this is among the most important info for me.
And i’m glad reading your article. But want to remark on few general
things, The web site style is great, the articles is really nice : D.
Good job, cheers
I will immediately take hold of your rss feed as I can not to find your e-mail subscription link or e-newsletter service.
Do you have any? Kindly allow me know so that I may just subscribe.
Thanks.
magnificent points altogether, you just gained a emblem new reader.
What could you suggest about your put up that you made a few days ago?
Any positive?
I like what you guys are up too. Such clever work and
reporting! Keep up the very good works guys I’ve incorporated you guys to blogroll.
Way cool! Some extremely valid points! I appreciate you penning this post and the rest of the site
is extremely good.
Howdy! I could have sworn I’ve been to this site before but after browsing through some of the post I realized it’s new to me. Anyhow, I’m definitely happy I found it and I’ll be book-marking and checking back often!
Aw, this was a really nice post. In concept I would like to put in writing like this moreover ? taking time and actual effort to make a very good article? but what can I say? I procrastinate alot and certainly not seem to get one thing done.
It’s my belief that mesothelioma is most dangerous cancer. It’s got unusual qualities. The more I really look at it the more I am sure it does not work like a true solid human cancer. In the event mesothelioma is usually a rogue virus-like infection, so there is the prospects for developing a vaccine and offering vaccination for asbestos open people who are really at high risk with developing potential asbestos related malignancies. Thanks for expressing your ideas for this important ailment.
I have noticed that online degree is getting popular because attaining your degree online has become a popular choice for many people. A large number of people have certainly not had a possibility to attend a normal college or university however seek the raised earning possibilities and career advancement that a Bachelor Degree gives. Still other individuals might have a college degree in one training but would want to pursue another thing they now have an interest in.
I liked as much as you’ll obtain performed right here. The sketch is tasteful, your authored material stylish. nevertheless, you command get bought an impatience over that you wish be handing over the following. sick indubitably come more until now again since exactly the same just about a lot incessantly inside of case you shield this hike.
There are some attention-grabbing points in time in this article however I don?t know if I see all of them middle to heart. There is some validity however I will take hold opinion until I look into it further. Good article , thanks and we would like more! Added to FeedBurner as properly
Hola! I’ve been reading your website for a long time now and finally got the courage to go ahead and give you a shout out from Humble Texas! Just wanted to mention keep up the fantastic work!
It’s a shame you don’t have a donate button! I’d definitely donate to this excellent blog! I suppose for now i’ll settle for book-marking and adding your RSS feed to my Google account. I look forward to new updates and will talk about this website with my Facebook group. Chat soon!
Whats up this is kinda of off topic but I was wondering if blogs use WYSIWYG editors or if you have to manually code with HTML. I’m starting a blog soon but have no coding skills so I wanted to get advice from someone with experience. Any help would be enormously appreciated!
I?ve recently started a blog, the information you provide on this site has helped me tremendously. Thank you for all of your time & work.
I just could not depart your web site prior to suggesting that I actually enjoyed the standard information a person provide for your visitors? Is going to be back often in order to check up on new posts
I appreciate, lead to I discovered exactly what I was taking a look for. You’ve ended my four day long hunt! God Bless you man. Have a great day. Bye
Hi there, You’ve done a fantastic job. I will certainly digg it and in my opinion suggest to my friends. I’m sure they’ll be benefited from this website.
I am not sure where you’re getting your info, but great topic. I needs to spend some time learning more or understanding more. Thanks for wonderful info I was looking for this information for my mission.
hello!,I love your writing so much! share we be in contact more approximately your article on AOL? I require a specialist in this area to solve my problem. May be that’s you! Having a look ahead to peer you.
I do not even know how I ended up here, but I thought this post was good. I don’t know who you are but definitely you are going to a famous blogger if you aren’t already ;) Cheers!
Great beat ! I wish to apprentice while you amend your site, how can i subscribe for a blog web site? The account helped me a acceptable deal. I had been tiny bit familiar of this your broadcast provided vivid transparent concept
I am no longer positive where you are getting your information, however good topic.
I must spend a while learning more or figuring out more.
Thanks for wonderful info I was searching for this info for my mission.
346994 313148youve got an essential weblog appropriate here! would you wish to make some invite posts on my weblog? 720411
Do you have any video of that? I’d love to find out some additional information.
Oh my goodness! Amazing article dude! Thank you, However I am having
difficulties with your RSS. I don’t understand why I cannot subscribe to it.
Is there anyone else getting similar RSS issues? Anyone
that knows the answer will you kindly respond? Thanks!!
Hi there everybody, here every person is sharing such experience,
therefore it’s good to read this website, and I used to visit this
blog everyday.
I’ve been surfing online more than three hours today, yet I never found any interesting article
like yours. It is pretty worth enough for me. In my opinion, if
all webmasters and bloggers made good content as you did, the web will be a
lot more useful than ever before.
What an eye-opening and thoroughly-researched article! The author’s thoroughness and capability to present complex ideas in a understandable manner is truly commendable. I’m extremely enthralled by the scope of knowledge showcased in this piece. Thank you, author, for offering your expertise with us. This article has been a game-changer!
I was able to find good advice from your content.
Very soon this website will be famous amid all blog viewers, due to it’s good articles
You really make it seem so easy with your presentation but I find this matter to be actually something which I think I would never understand. It seems too complex and very broad for me. I am looking forward for your next post, I will try to get the hang of it!
That is the correct weblog for anyone who needs to find out about this topic. You realize a lot its nearly hard to argue with you (not that I really would want?HaHa). You definitely put a new spin on a topic thats been written about for years. Great stuff, simply great!
I beloved as much as you will receive performed proper here. The cartoon is attractive, your authored material stylish. however, you command get got an nervousness over that you would like be turning in the following. in poor health indisputably come more earlier once more as exactly the same just about a lot regularly inside of case you defend this increase.
I have really learned result-oriented things through your blog post. Yet another thing to I have discovered is that typically, FSBO sellers will probably reject you actually. Remember, they would prefer not to use your services. But if you actually maintain a gentle, professional partnership, offering aid and staying in contact for four to five weeks, you will usually be capable to win a discussion. From there, a listing follows. Thanks
I would like to add that when you do not now have an insurance policy or else you do not form part of any group insurance, you could well take advantage of seeking the assistance of a health insurance broker. Self-employed or people with medical conditions usually seek the help of one health insurance specialist. Thanks for your short article.
Good article. I certainly love this website. Continue the good
work!
Good day! This is kind of off topic but I need some guidance from an established blog.
Is it very hard to set up your own blog? I’m not very techincal but I can figure
things out pretty fast. I’m thinking about creating my own but I’m
not sure where to begin. Do you have any tips or suggestions?
Many thanks
I do not even know how I ended up here, but I thought this post was great.
I do not know who you are but definitely you’re going to a
famous blogger if you are not already ;) Cheers!
Ahaa, its fastidious dialogue on the topic of this piece of writing here at this weblog, I have
read all that, so now me also commenting at this place.
Hello there, I found your site via Google while searching for a related topic, your site came up, it looks good. I’ve bookmarked it in my google bookmarks.
hey there and thank you for your information ? I?ve definitely picked up anything new from right here. I did however expertise some technical points using this site, as I experienced to reload the site a lot of times previous to I could get it to load properly. I had been wondering if your hosting is OK? Not that I am complaining, but sluggish loading instances times will sometimes affect your placement in google and could damage your high-quality score if advertising and marketing with Adwords. Well I am adding this RSS to my email and can look out for a lot more of your respective intriguing content. Make sure you update this again very soon..
Oh my goodness! an incredible article dude. Thank you Nevertheless I’m experiencing challenge with ur rss . Don?t know why Unable to subscribe to it. Is there anybody getting identical rss drawback? Anyone who is aware of kindly respond. Thnkx
Thanks for the concepts you have contributed here. In addition, I believe there are numerous factors which will keep your auto insurance premium lower. One is, to contemplate buying cars that are from the good report on car insurance organizations. Cars which are expensive are definitely more at risk of being snatched. Aside from that insurance is also in line with the value of your truck, so the higher priced it is, then higher your premium you pay.
Thanks for the strategies you have discussed here. Also, I believe usually there are some factors which really keep your auto insurance premium down. One is, to think about buying vehicles that are inside the good directory of car insurance corporations. Cars that are expensive tend to be more at risk of being snatched. Aside from that insurance is also in accordance with the value of your vehicle, so the higher priced it is, then higher the particular premium you spend.
Thanks for your tips on this blog. A single thing I would want to say is always that purchasing consumer electronics items on the Internet is nothing new. The fact is, in the past decades alone, the marketplace for online electronics has grown significantly. Today, you can get practically any kind of electronic gizmo and product on the Internet, from cameras and also camcorders to computer components and games consoles.
I do consider all of the ideas you’ve offered on your post. They are really convincing and can definitely work. Still, the posts are too short for beginners. May just you please prolong them a bit from subsequent time? Thanks for the post.
Thanks for the tips you have provided here. Additionally, I believe there are numerous factors which will keep your auto insurance premium down. One is, to contemplate buying cars that are in the good list of car insurance corporations. Cars which are expensive tend to be more at risk of being snatched. Aside from that insurance policies are also using the value of the car, so the more expensive it is, then the higher the premium you spend.
Wonderful blog you have here but I was curious about if you knew of any user discussion forums that cover the same topics talked about in this article? I’d really love to be a part of community where I can get suggestions from other knowledgeable individuals that share the same interest. If you have any recommendations, please let me know. Thank you!
I’m continually impressed by your ability to dive deep into subjects with grace and clarity. Your articles are both informative and enjoyable to read, a rare combination. Your blog is a valuable resource, and I’m grateful for it.
Your enthusiasm for the subject matter radiates through every word of this article; it’s contagious! Your commitment to delivering valuable insights is greatly valued, and I eagerly anticipate more of your captivating content. Keep up the exceptional work!
Your dedication to sharing knowledge is unmistakable, and your writing style is captivating. Your articles are a pleasure to read, and I consistently come away feeling enriched. Thank you for being a dependable source of inspiration and information.