Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Sequential Circuits
Marks 1Marks 2Marks 5Marks 8
Semiconductor Memories
Marks 1Marks 2
Logic Families
Marks 1Marks 2Marks 8
Analog to Digital and Digital to Analog Converters
Marks 1Marks 2
1
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)
2
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
$$\overline {AB} C\, + \,\overline A B\overline C $$
3
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
With out any additional circuitry, an 8:1 MUX can be used to obtain
A
some but not all Boolean functions of 3 variables
B
all function of 3 variables but none of 4 variables
C
all functions of 3 variables and some but not all of 4 variables
D
all functions of 4 variablesand some but not all of 4 variables
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A 2-bit binary multiplier can be implemented using
A
2 input AND gates only.
B
2 number of 2-input XOR gates and 6 number of 2-input AND gates.
C
Two 2-input NOR gates and one XNOR gate.
D
XOR gates and shift registers.
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