WBUT 2013 DIGITAL ELECTRONIC CIRCUIT Question Paper ( Paper Code EC(EE)-302)

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This Paper is currently included in the syllabus of Electrical Engineering(EE) in third sem(2nd year-First sem).

CS/B.TECH/EE(N)/EEE(N)/ICE(N)/SEM-3/EC(EE)-302/2013-14

2013

DIGITAL ELECTRONIC CIRCUITS

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        Which code is used in K-map?

                   a)       Gray                               b)       BCD

                   c)       Binary                            d)       Hamming.

          ii)       Gray code of a number is 10110. What is its decimal number?

                   a)       10                                  b)       15

                   c)       27                                  d)       None of these.

          iii)      What is Excess-3 Code of 27?

                   a)       0101 1001                     b)       0010 0100

                   c)       0101 1010                     d)       None of these.

          iv)      How many flip-flops are required to design Mod-10 Counter?

                   a)       3                                    b)       4

                   c)       5                                    d)       6.

 

 

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