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Digital Circuits
Number System and Code Convertions
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Analog to Digital and Digital to Analog Converters
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1
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a half-subtractor circuit with X and Y as inputs, the Borrow (M) and Difference (N = X - Y) are given by
A
$$M = X \oplus Y,N = XY$$
B
$$M = XY,\,\,N = X \oplus Y$$
C
$$M = \overline X Y,\,\,N = X \oplus Y$$
D
$$M = X\overline Y ,\,\,\,N = \overline {X \oplus Y} $$
2
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.3
The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is
A
4
B
6
C
8
D
10
3
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The logic function implemented by the circuit below is (ground implies a logic "0" GATE ECE 2011 Digital Circuits - Combinational Circuits Question 42 English
A
F= AND (P, Q)
B
F= OR (P, Q)
C
F= XNOR (P, Q)
D
F= XOR (P, Q)
4
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The Boolean function f implemented in the figure using two input multiplexers is GATE ECE 2005 Digital Circuits - Combinational Circuits Question 10 English
A
$$A\overline B C\, + \,AB\overline C $$
B
$$ABC\, + \,A\overline B \overline C $$
C
$$\overline A BC\, + \,\overline A \overline B \overline C $$
D
$$\overline {AB} C\, + \,\overline A B\overline C $$
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GATE ECE 2025 (1) GATE ECE 2023 (1) GATE ECE 2022 (1) GATE ECE 2017 Set 2 (1) GATE ECE 2016 Set 2 (1) GATE ECE 2014 Set 2 (1) GATE ECE 2012 (1) GATE ECE 2011 (1) GATE ECE 2005 (1) GATE ECE 2003 (1) GATE ECE 1997 (1) GATE ECE 1995 (1) GATE ECE 1992 (1) GATE ECE 1990 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics