Questions on Computer Basics and Software

No. of Printed Pages 4 BACHELOR IN reckoner APPLICATIONS (BCA Revised) Term-End Examination cV 00 June, 2012 BCS-011 BCS-011 COMPUTER BASICS AND P C packet Time 3 hours Maximum Marks 100 Weightage 75% situation Question number 1 is compulsory and carries 40 marks. Attempt whatsoever three questions from the rest. (a) Convert the following hexadecimal number to equivalent binary star and decimal (i) (ii) (b) (51)16 (DA)16 5 4 1. How is the access fourth dimension on a disk is defined ? formulate each of the element of access time with the help of an example. let off the basic structure of a computer dust ? With the help of a diagram .A personal computer has a component called motherboard. How is motherboard related to the basic computer structure ? (c) 6 BCS-011 1 P. T. O. come five facilities that are provided by an operating system to a user or to a program. Draw a flow chart to attach integer between 2 to (n+1) where n2. Explain the terms Subroutine and govern ment agency with the help of an example. Consider two IP addresses 160. 10. 11. 25 160. 10. 12. 35 Do they belong to the same network , if (i) The subnet mask is 255. 255. 0. 0 (ii) The subnet mask is 255. 255. 255. 0 Justify your answer. (h) What is a Wide Area Network ( sick(p)) ? What are the characteristics of WAN ?How are they different from LANs ? Is Internet a WAN ? Justify your answer. What is the get of memory hierarchy in a computer system ? Explain with the help of various trade offs like cost, speed, size etc. What is perverted software program ? List various types of perverse software. Give four slipway to counter perverse software. What are cookies in the context of Browser software ? Are cookies bad ? Explain. List four precautions for safe browsing. BCS-011 2 7 6 8 6 3. (a) canvas and contrast the characteristics of the following (i) (ii) (b) broadcast matrix printer versus Laser printer Cathode ray tube monitors versus legato crystal display monitors. (c) La test word processor have text 8 manipulation functions that extend beyond a basic mogul to enter and change text . Explain any four of these forward-looking text manipulation functions. 6 Explain the characteristics of the following data contagious disease channels (i) (ii) Optic fiber cables Radio waves (iii) Infrared 4. (a) List sextuplet activities that should be part of an e-learning system. Explain the phases of content ontogeny in e-learning. (b) Compare and contrast the following (i) (ii) SRAM versus DRAM SIMM versus DIMM 6 8 (iii) ROM versus stroll (iv) CD-ROM versus Pen drive. c) What is Open Source Software ? What are the main(prenominal) features of open source development model ? BCS-011 3 6 P. T. O. 5. Explain any five of the following with the help of an example/diagram, if needed. (i) (ii) The uses of WIKI in collaboration. The activities/actions performed by a search engine. 20 (iii) TCP/IP model. (iv) (v) (vi) Activities in a project management software. Batch systems and time sharing operating systems. different types of parts in a computer. (vii) Concept of Instruction and motivation for development of UNICODE. BCS-011 4