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Multimedia Communication Question Bank, 1. Define Multimedia, Give media types associated with it, also explain its applications., December 2008 (10 M), December 2009 (10 M), December 2011 (08 M), 2. Bring out the salient features of different types of networks employed in multimedia, communication December 2009 (10 M),, 3. Explain different types of communication network that are used to provide multimedia, communication services. December 2011 (10 M), December 2013 (10 M), 4. Determine the propagation delay associated with thefollowing communication channels:, a. A connection through a private telephone network of 10 km., b. A connection through a PSTN of 500 km., c. A connection through a satellite channel of 75.000 km., Assume that the velocity of propagation of a signal in the case of (i) & (ii) is 2x108 ms-1, and in the case of (iii) 3x108 ms-1. December 2008 (08 M), December 2013 (04 M),, December 2011 (06 M), December 2015 (04 M), 5. Differentiate between voice-operated switching mode and continuous-presence mode., December 2011 (04 M), December 2013 (06 M), 6. Explain the network QoS associated with different types of network. December 2011 (10, M), 7. With the aid of a diagram, explain the meaning of the following terms relating two packetswitched network: i)packetization delay ii) mean packet transfer delay iii)jitter, 8. Describe how the effects on a constant bit-rate stream of packetization delay and jitter can,, be overcome by buffering. December 2011 (10 M), 9. With the help of a diagram, describe the main components of PSTN and show how a high, speed modem provides multiple services in addition to basic telephony. December 2011, (08 M), 10. Briefly explain the following operational modes of a communication channel i) Simplex ii), Duplex iii) Broadcast iv) Multicast. December 2011 (04 M), 11. With a neat diagram, explain the working of circuit switched and packet switched, networks. December 2011 (08 M), 12. Briefly explain the network QOS associated with the circuit switched and packet switched, networks. December 2011 (08 M),December 2015(10 M), 13. Drive the maximum block size that should be used over a channel which has a mean BER, probability of 10-4 if the probability of a block containing an error –and hence being, discarded –is to be 10-1. December 2009 (04 M), December 2011 (04M), 14. Explain the different operational modes of a communication channel. December 2012 (08, M)

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15. Describe the essential features of the network types initially designed to provide single type, of services and discuss the technological development that has enabled them to provide, additional services. December 2012 (08 M), 16. Explain the key parameters associated with application QOS. Describe how the effects ona, constant bit rate stream of packetization delay and jitter can be overcome. December 2012, (08 M), 17. Briefly explain five basic types of communication network that are used to provide, multimedia communication service. June 2009 (10 M), 18. Explain different types of networks June 2009 (10 M), 19. Define entropy, bit rate, sampling frequency, quantization and Niquist rate. June 2009 (10, M), 20. The term multimedia composed of many media types. Explain them. December 2008 (08, M), 21. Explain briefly the entertainment applications of multimedia. December 2008 (08 M),, December 2015 (06 M), 22. Explain the network QoS associated with different types of network. December 2013 (08, M), 23. A web page of 10 M bytes is being retried from a Web-server. Assuming negligible delays,, calculate time to transfer the page over. i)A modem operating at28.8Kbps ii)ISDN, access line of 1.5Mbps iii) Cable modern operating at 27Mbps. December 2008 (04 M), 24. Mention different modes of multipoint conferencing. December 2008 (08 M), 25. How are multimedia applications classified? Discuss. December 2009 (08 M), 26. What are quality of service in multimedia systems? Explain. December 2013 (10 M), 27. With the aid of diagram explain the meaning of the following terms relating to packet, switching network: i) Packetization delay ii) mean packet transfer delay iii) jitter. Describe,, how the effects on a constant bit-rate stream of packetization delay and jitter can be, overcome by buffering. December 2013 (10 M), 28. Define the term multimedia. List different types of multimedia networks. Explain any two, networks in detail. December 2014 (10 M), 29. Identify and explain the meaning of key QOS parameters associated with circuit and packet, switching. December 2014 (10 M), 30. Explain multimedia networks that provides multiple services. December 2015 (08 M), 31. Explain different operational modes of a communication channel with examples., December 2015 (08 M)

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Additional Questions:, 1. Give a definition of multimedia and a multimedia system.? [02], 2. Define Multimedia; what is a multimedia PC hence list the, application ofmultimedia and List out the benefits of multimedia?, [06], 3. List some of Multimedia applications.[05], 4. What are the various input and output devices that can be used in, a MultimediaPC? Explain in detail. [08], 5. Explain the building blocks of multimedia. [08], 6. List the multimedia communication networks.[05], 7. State Nyquist sampling theorem & Nyquist rate.[05], 8. What do you mean by Hypertext?[04], 9. What is compression? [03], 10. Compare lossy & lossless compression.[07], 11. State & explain the basic form of representation Text, Image, Audio, Video?[10], 12. Explain the meaning of bps in relation to digitized audio & video.[05], 13. Explain the meaning of compression & why it is used?[08], 14. Explain the meaning of POTS, local exchange office, PBX,, mobile switchingcentre, international gateway exchange.[08], 15. Explain why most data networks operate in a packet mode., Hence explain whyservices involving audio and video are, supported?[10], 16. Explain “Broadband” in relation to B-ISDN and why deployment, has beendelayed?[08], 17. Describe the principal operation of a fax machine & why, modems are required.What is the meaning of PC fax?[10], 18. With aid of block diagram explain CSCW?[10], 19. Explain a Web server, a browser, WWW?[05], 20. Explain web page, home page, hyperlink, URL, HTML?[10], 21. Explain the principle of movie/video-on-demand?[06], 22. Explain the principle operation of a circuit mode network?[06], 23. Explain briefly different modes of multipoint conferencing?[08], 24. Identify & explain the meaning of the key parameters, associated withthe application QOS ?[10], 25. Discuss the term “application service classes”?[05], 26. Define Video. Explain digital video 4:2:2 format., 27. Explain with block diagram PCM Speech., 28. Explain the following i) Progressive Scanning ii) Interlaced Scanning, 29. Explain different types of text and image compression principles., 30. Explain with example Huffman coding.