WBUT 2012: Analog and Digital Electronics (Paper Code: CS-301)

CS/B.TECH(CSE)(N)/SEM-3/CS-301/2012-13

2012

ANALOG & DIGITAL ELECTRONICS

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 the following:     10 x 1 = 10

          i)       A 2-transistor class B power amplifier is commonly                             called

                   a)      push-pull                      b)      dual

                   c)      differential                    d)      none of these

          ii)      A stable multivibrator has

                   a)      no stable state              b)      one stable state

                   c)      two stable states          d)      none of these

          iii)     Schmit trigger circuit generates

                   a)      triangular wave            b)      square wave

                   c)      sawtooth wave              d)      none of these

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