1
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
In the circuit shown, diodes $${D_1}$$ ,$${D_2}$$ and $${D_3}$$ are ideal, and the inputs $${E_1}$$ , $${E_2}$$ and $${E_3}$$ are “0 V” for logic ‘0’ and “10 V” for logic ‘1’. What logic gate does the circuit represent? GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 17 English
A
3-input OR gate
B
3-input NOR gate
C
3-input AND gate
D
3-input XOR gate
2
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
In the circuit shown in the figure, if C = 0, the expression for Y is GATE ECE 2014 Set 4 Digital Circuits - Logic Gates Question 19 English
A
Y= $$A\overline B + \overline A B$$
B
Y=A+B
C
Y= $$\,\overline A \, \overline B $$
D
Y=A B
3
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. The logic of switching of the bulb resembles.
A
an AND gate
B
an OR gate
C
an XOR gate
D
a NAND gate
4
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The output Y in the circuit below is always ‘1’ when GATE ECE 2011 Digital Circuits - Logic Gates Question 21 English
A
two or more of the inputs P, Q, R are ‘0’
B
two or more of the inputs P, Q, R are ‘1
C
any odd number of the inputs P, Q, R is ‘0’
D
any odd number of the inputs P, Q, R is ‘1’
GATE ECE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12