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Visit www.downloadmela.com for more placement papers RailTel-RCIL Computer Science and Engg Questions and Answers with Explanation,RailTel-RCIL Previous Questions and Answers,Solved RailTel-RCIL Question Paper,Syllabuswise RailTel-RCIL Question Paper RailTel-RCIL Computer Science and Engg Question Paper 1. A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register Ans:d 2. A memory that is capable of determining whether a given datum is contained in one of its address is a. ROM b. PROM c. CAM d. RAM Ans:c 3. In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above Ans:C 4. Which layer functions as liaison between user support layers and network support layers ? a. network layer b. physical layer c. transport layer d. session layer Ans:c 5. What is the latest write-once optical storage media? a. Digital paper b. Magneto-optical disk c. WORM disk d. CD-ROM disk Ans:c 6. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status Ans: c 7. A protocol is a set of rules governing a time sequence of events that must take place 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers a. between peers b. between an interface c. between modems d. across an interface Ans:A 8. Which of hte following is considered a broad band communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of above Ans:d 9. In OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer e. none of above Ans:a 10. Which of the following might be used by a company to satisfy its growing communications needs? a. front end processor b. multiplexer c. controller d. concentrator e. all of the above Ans:e 11. FIFO scheduling is..... a. Preemptive Scheduling b. Non Preemptive Scheduling c. Deadline Scheduling d. Fair share scheduling Ans:b 12. The Banker's algorithm is used a. to prevent deadlock in operating systems b. to detect deadlock in operating systems c. to rectify a deadlocked state d. none of the above Ans:a 13. Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy? a. Time-sharing b. Spooling c. Preemptive scheduling d. Multiprogramming Ans:d 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers 14. The scheduling in which CPU is allocated to the process with least CPU-burst time is called a. Priority Scheduling b. Shortest job first Scheduling c. Round Robin Scheduling d. Multilevel Queue Scheduling Ans: b 15. Overlays is ? a. A part of Operating System b. A specific memory location c. A single contiguous memory that was used in the olden days for running large programs by swapping d. Overloading the system with many user files Ans:c 16. Which Layer is not present in TCP/ IP model? a. Appl icat ion Layer b. Internet Layer c. Transport Layer d. Presentat ion Layer Ans: d 17. The main funct ion of a browser is to a. compi le HTML b. interpret HTML c. de-compi le HTML d. interpret CGI programs Ans: b 18. Virtual memory is __________. a. An extremely large main memory b. An extremely large secondary memory c. An illusion of extremely large main memory d. A type of memory used in super computers. Ans:3 19. In a DMA write operation the data is transferred a. from I/O to memory. b. from memory to I/O. c. from memory to memory. d. from I/O to I/O. Ans:a 20. A Bus cycle is equal to how many clocking periods a. Two b. Three c. Four d. Six Ans:c 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers RAILTEL DEPUTY MANAGER(TECHNICAL) QUESTION PAPER RAIL Tel previous years solved questions with answers Rail Tel electronics and electrical aptitude Reasoning questions with answers Hi friends I attended the railtel deputy manager(technical) exam on 26th august 2012 Exam consisted of total 100 questions,60(tech) and 40(non-tech).technical questions included 90% electronics questions and some electrical questions from motors and generators and some from compuers..in non tech there were 10 gk questions,10 reasoning,10quant,10 english.there was no negative marking in the exam.paper was very easy…so cut off will be high(65) for general Technical questions- maximum power efficiency- 50% total impedance of ckt- 7+j0 lead compensator T.F- s+1/s+2 fermi level 0K schottky diode- rectifier value of k- 0.35 reflection+refraction+transmission=1 physical link addredd bus number of hardware interrupts= 5 dma- b/w i/o and memmory without the use of microprocessor critical angle= 60 drift velocity- qET/m video and audio- AM and FM maxwell equation- both curl and divergence computer architecture compt language- binary T flip flop- 20US emft ques- reflected from the walls driving point admittance- -y3 antenna diameter- 1.289 not characterstic of CMOS- low i/p inpedance input impedence in increasing order- 1234 delB/delT- faraday's equation CMRR- 10^7 frequency deviation- mf.fm cro angle- 90 propagation delay- 1ghz phase constant- 2pie/lambda 9i+8di/dt=180 half load power- 500,1250 decimal shifted to left- multiply by 2 saturation current- isat modulation index- 0.34 generator efficiency- 60.2 frequency components- +- n something(option d) gk questions- 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers 1.where is the Headquarter of Food & Agriculture Organisation (FAO)- rome 2.where budhha got enlightment- gaya 3.MOTHERS day celebrarated in... may 4.light year is the unit of - distance 5.Next olympics Game 2016 will be held in - RIO DE JENERIO 6. which is responsible for Blood coagulation – vitamin K 7.CANNE Prize is given in the field of- movies 8. Great bath- mohenjodaro 9.next saarc summit- new delhi 10. Playes in women basket ball team- 5 RailTelRCIL general awareness questions with answers,RailTelRCIL April,May,June 2012 general awareness and current affairs questions with answers,RailTelRCIL previous years largest collection of questions with answers,RailTel professional knowledge questions,,, 1. Name the freedom fighter with picture of whom Rs.5 coin would be introduced by RBI. Ans. Bhagat Singh 2. Name the news search engine introduced by Rediff.com Ans. Relatime News Search 3. Tiger brand is associated with which company? Ans. Britannia 4. Name the cricketer who was honoured with lifetime membership the Sydney Cricket Ground. Ans. Sachin Tendulkar 5. Which country has been ranked as the world’s richest country in the list compiled by US magazine Forbes? Ans. Qatar 6. Which country did India beat to qualify for London Olympics men’s hockey 2012? Ans. France 7. Name the service that is to be launched by Times Group to enable viewers to watch movies and TV shows online. Ans. BoxTV.com 8. Name the football player who led India to the gold in the inaugural Asian Games in New Delhi who passed away recently. Ans. Sailendra Nath Manna 9. Who won the Allan Border medal (Australia cricketer of the year) award 2012? Ans. Michael Clarke 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers 10. Which west Asian country approved for new constitution recently? Ans. Syria 11. Which model of Nokia phone has been built with 41-megapixel sensor camera? Ans. Nokia 808 Pureview camera phone 12. Name the digital music store launched by flipkart.com. Ans. FlyteDownload From http://www.jbigdeal.com 13. Name the online property search portal launched by HDFC in Kolkata Ans. HDFC Red 14. Name the application launched by Vigyan Prasar and IGNOU as a free SMS service for mobile users that delivers content on science and related areas. Ans. Science@Mobile 15. Name the Kerala-based UAE business magnate who was awarded with Interfaith Harmony Award at Kuala Lumpur. Ans. M.A.Yusuf Ali 16. Which country has India agreed ‘in-principle’ to the participation in hydro power-projects in the North- East? Ans. Bangladesh 17. Name the Tech-savvy state which set a record by winning the National Tourism Award for its website for 5th time in last 10 years. Ans. Kerala 18. Who has been appointed as brand ambassador of fruit drink maker rasna? Ans. Genelia D’souza 19. Name the book which is set to be launched by model-turnedactress Diana Hayden. Ans. A Beautiful Truth 20. Who has been awarded the Pritzker Architecture Prize considered as Nobel prize in Architecture? Ans. Wang Shu 21. Which railway station became the first railway network to offer BluFi, a combination of Bluetooth and WiFi to provide information to passengers? Ans. Bangalore City Railway Station 22. Name the Indian golfer who qualified for The Open Championship to be played in July at the Royal Lytham St Annes. Ans. Anirban Lahiri 23. Which state bagged the second best national award in the Comprehensive Development of Tourism 2012 Placement Papers 2010 Placement Papers 2011 Placement Papers 2009 Placement Papers Visit www.downloadmela.com for more placement papers category? Ans.