1
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
A bulb in 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
2
GATE EE 2009
MCQ (Single Correct Answer)
+1
-0.3
The complete set of only those Logic Gates designated as Universal gates is
A
$$NOT$$, $$OR$$ and $$AND$$ Gates
B
$$XNOR,$$ $$NOR$$ and $$NAND$$ Gates
C
$$NOR$$ and $$NAND$$ Gates
D
$$XOR,$$ $$NOR$$ and $$NAND$$ Gates
3
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The digital circuit using two inverters shown in figure will act as GATE EE 2004 Digital Electronics - Logic Gates Question 3 English
A
a bistable multi-vibrator
B
an astable mutli-vibrator
C
a Monostable multi-vibrator
D
an oscillator
4
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
The output of a logic gate is $$''1''$$ when all its inputs are at logic $$''0''.$$ The gate is either
A
a $$NAND$$ or an $$EX$$-$$OR$$ gate
B
a $$NOR$$ or an $$EX$$-$$OR$$ gate
C
an $$AND$$ or an $$EX$$-$$NOR$$ gate
D
a $$NOR$$ or an $$EX$$-$$NOR$$ gate
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