1
GATE ECE 2015 Set 1
Numerical
+1
-0
A 16 Kb (=16,384 bit) memory array is designed as a square with an aspect ratio of one (number of rows is equal to the number
of columns). The minimum number of address lines needed for the row decoder is _______.
Your input ____
2
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The Boolean expression
F(X, Y, Z)= $$\overline X Y\overline Z + X\overline {Y\,} \overline Z + XY\overline Z + XYZ$$
converted into the canonical product of sum (POS)from is
3
GATE ECE 2015 Set 1
Numerical
+2
-0
All the logic gates shown in the figure have a propagation delay of 20 ns. Let A = C = 0 and B = 1
until time t = 0. At t = 0, all the inputs flip (i.e., A = C = 1 and B = 0) and remain in that state. For
t > 0, output Z = 1 for a duration (in ns) of ______________.


Your input ____
4
GATE ECE 2015 Set 1
Numerical
+1
-0
Consider a four bit D to A converter. The analog value corresponding to digital signals of values 0000 and 0001 are 0 V and 0.0625 V respectively. The analog value (in Volts ) corresponding to the digitals signal 1111 is ______________.
Your input ____
Paper Analysis
Total Questions
Analog Circuits 3
Communications 6
Control Systems 7
Digital Circuits 5
Electromagnetics 4
Electronic Devices and VLSI 6
Engineering Mathematics 10
Microprocessors 1
Network Theory 7
Signals and Systems 8
General Aptitude 2
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