Electrical Engineering
GATE EE topic:analog-and-digital-electronics PYQs
Build your understanding with focused practice from past exam papers.
Questions 41–50 of 57. Imported answers require independent review unless marked reviewed.
Question 35
Open questionEEMCQ2 marksNeeds review
The output expression for the Karnaugh map shown below is
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In the circuit shown below, X and Y are digital inputs, and Z is a digital output. The equivalent circuit is a
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In the logic circuit shown in the figure, Y is given by
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The op-amp shown in the figure is ideal. The input impedance
is given by 
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Which one of the following statements is true about the digital circuit shown in the figure
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Open questionEEMCQ2 marksNeeds review
Digital input signals
,
,
with
as the MSB and
as the LSB are used to realize the Boolean function
, where
denotes the
minterm. In addition,
has a don’t care for
. The simplified expression for
is given byYour answerChoose one option.
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Open questionEENAT2 marksNeeds review
In the circuit shown in the figure, the bipolar junction transistor (BJT) has a current gain
. The base-emitter voltage drop is a constant,
. The value of the Thevenin equivalent resistance
(in
) as shown in the figure 
is ______ (up to 2 decimal places).
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Open questionEE-2MCQ1 markNeeds review
For a 3-input logic circuit shown below, the output
can be expressed as 
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The Boolean expression
simplifies toYour answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionEEMCQ1 markNeeds review
For the circuit shown in the figure below, assume that diodes D₁, D₂ and D₃ are ideal.
The DC components of voltages
and
, respectively areYour answerChoose one option.
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