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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.

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