Electronics-IV Physics Test Series NEET 2020
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Test Preparation on Electronics-IV-Physics Test Series For NEET 2020
1.
The logic circuit shown below has the input waveforms 'A'
and 'B' as shown. Pick out the correct output waveform.
1
a
2
b
3
c
4
d
2.
The combination of ?NAND? gates shown here under (figure) are equivalent to
1
An OR gate and an AND gate respectively
2
An AND gate and a NOT gate respectively
3
An AND gate and an OR gate respectively
4
An OR gate and a NOT gate respectively
3.
A truth table is given below. Which of the following has this type of truth table A 0 1 0 1 B 0 0 1 1 y 1 0 0 0
1
XOR gate
2
NOR gate
3
AND gate
4
OR gate
4.
The output (X) of the logic circuit shown in figure will be
1
X = A + B
2
X = A
3
X = A.B
4
X = A.B
5.
A gate has the following truth table P 1 1 0 0 Q 1 0 1 0 R 1 0 0 0 The gate is
1
NOR
2
OR
3
NAND
4
AND
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