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1997 Course Information Technology (Elective I)

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Total No. of Questions : 10] P1600 [Total No. of Pages : 2 [3764] - 1032 B.E. (Electronics and Telecommunications/Electronics) INFORMATION TECHNOLOGY (1997 Course) (Elective - I) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) 4) 5) Neat diagrams must be drawn wherever necessary. Figures to the right indicate full marks. Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. Assume suitable data, if necessary. 6) SECTION - I 1 ) a) b) Draw and explain in detail OSI model used in networking. Explain wired, wireless and optical media s used in networking. 2 ) a) Draw the block diagram and explain the functions of each block of video capture card. [8] What are the different file formats used in storing and displaying images. Compare .bmp and .tiff file format. [8] b) 3 ) a) b) c) 4 ) a) b) [10] [8] Explain structure of CD ROM media. How data is written and read out on CD ROM? What is the difference between CD and DVD media. [8] Calculate the size of sound file if it recorded for 30 seconds with two channels (stereo) and 8kHz sampling frequency. [4] Calculate the size of .bmp file which contains gray image data for 256 256 pixels with one pixel equal to 8 bits. [4] With suitable block diagram explain working of internal modem. [8] What is DSL technique? What are the different variants of DSL techniques? Explain. [8] P.T.O. 5) a) b) Draw the block diagram and explain the functions of each block of network interface card. [8] Explain .WAV file format for storing audio files. [8] SECTION - II 6 ) a) b) 7 ) a) b) 8) ) b) 9) ) b) 10)Write a) b) c) d) e) f) What are the different hardware and software challenges faced by designer while developing an embedded systems. [10] What are the different hardware and software development tools used by an embedded engineering during development of an embedded system. [8] What is real time operating system (RTOS)? Explain different components of RTOS. [8] Explain the importance and usefulness of the timer functions in RTOS.[8] With respect to RTOS explain the following. i) Pipes ii) Message Mailboxes and. iii) Queues. [8] Define interrupt latency? What are the different ways of minimizing interrupt latency? [8] What are different ways of saving memory space during embedded system development? [8] [8] What are the different task states? Explain in detail? short notes on any four: POP and SMTP. Multimedia authoring tools. Satellite networks. Events in RTOS. Embedded system classifications. Modem commands. ***** [3764] - 1032 -2- [16]

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