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ANALOG & DIGITAL ELECTRONICS
YEAR 2012 ONE MARK
MCQ 8.1 In the sum of products function ( , , ) ( , , , ),f X Y Z 2 3 4 5/ the prime implicants are(A) ,XY XY (B) , ,XY X Y Z XYZ
(C) , ,XYZ XYZ XY (D) , , ,XYZ XYZ XY Z XYZ
MCQ 8.2 The i -v characteristics of the diode in the circuit given below are
i . , .
.
A V
A V
v v
v500
0 7 0 7
0 0 7<
$*
The current in the circuit is(A) 10 mA (B) 9.3 mA
(C) 6.67 mA (D) 6.2 mA
MCQ 8.3 The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B . The number of combinations for which the output is logic 1, is(A) 4 (B) 6
(C) 8 (D) 10
MCQ 8.4 Consider the given circuit
CHAP 8 ANALOG & DIGITAL ELECTRONICS PAGE 421
MCQ 8.7 The circuit shown is a
(A) low pass filter with ( )
/rad sfR R C
1dB3
1 2+
(B) high pass filter with /rad sf R C1
dB31
(C) low pass filter with /rad sf R C1
dB31
(D) high pass filter with ( )
/rad sfR R C
1dB3
1 2+
YEAR 2011 ONE MARK
MCQ 8.8 A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as(A) an all pass filter
(B) an all stop filter
(C) an band stop (band-reject) filter
(D) a band pass filter
MCQ 8.9
The CORRECT transfer characteristic is
CHAP 8 ANALOG & DIGITAL ELECTRONICS PAGE 427
MCQ 8.21 Which of the following circuits is a realization of the above function F ?
YEAR 2009 ONE MARK
MCQ 8.22 The following circuit has a source voltage VS as shown in the graph. The current through the circuit is also shown.
GATE Study Material Analog AndDigital Electronics (Electrical
Engineering)
Publisher : Faculty Notes Author : Panel Of Experts
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