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Pune University - FY BSc ELECTRONIC SCIENCE - II, April 2010 (Old Course)

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Total No. of Questions : 5] [Total No. of Pages : 2 P241 [3717] - 73 F.Y. B.Sc. ELECTRONIC SCIENCE EL1-T2 : Principles of Digital Electronics (Paper - II) (2004 Old Course) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) All questions are compulsory. 2) Draw neat labelled diagrams wherever necessary. 3) Use of calculator and logtable is allowed. 4) Figures to the right indicate full marks. Q1) All questions are compulsory : a) What is Multiplexer? b) [16] Name the following IC'S. i) c) 7400 ii) 7402 Convert the following decimal to hexadecimal number i) (12)10 ii) (20)10 d) Write full form of BCD and ASC II code. e) Write 1 s complement for following numbers i) 1010011 ii) 1110001 f) Write output (y) equation for following circuit. g) Draw the symbol of EX-OR gate. h) What is decoder? P.T.O.

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Additional Info : F.Y. B.Sc. ELECTRONIC SCIENCE - II : ELECTRONIC SCIENCE EL1- T2 : Principal of Digital Electronics (Paper - II) (2004 Old Course), Pune University
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