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GATE 2021 : Digital Circuits Rapid Mini Mock (App update required to attempt this test)
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Question 1
The minimum number of NOR gate required to implement is this function is
Question 2
The clock frequency applied to the digital circuit shown in figure below is 50 kHz. If initial state of the flipflop output ‘Q’ is ‘0’.
The frequency of the output wave form at ‘Q’ In kHz is ………
Question 3
How many flip-flops be required to construct mode-31 counter?
Question 4
Determine the characteristic equation of XY flip flop, whose truth table is shown below:
Question 5
The initial content of the 4-bit right shift, parallel in parallel out shift register is Input of shift register is derived from 2×1 MUX.
The number of clock pulses after which the initial pattern of shift register reappears is __________.
Question 6
The circuit shown in figure below is
Question 7
The MUX shown is a 4× 1 multiplexer. The output Z is
Question 8
Which of the following conversion is performed by the given circuit?
Question 9
The network shown below implements
Question 10
Consider the circuit below. Which one of the following options correctly represents f(a,b,c) ?
Question 11
Consider the logic circuit
Which are of the following is true
Question 12
Let us consider the following equation in a 6-bit binary number system X = A + B
A is given as (001010)2 in is complement binary number system, B is given as (111010)2 in signed number system. What would be x in 2’s complement number system?
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Dec 5ESE & GATE EE