1
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
A 3-input majority gate is defined by the logic function M (a,b,c) = ab+bc+ca. Which one of the following gates is represented by the function M$$\left( {\overline {M\left( {a,b,c} \right),} M\left( {a,b,\overline c } \right),c} \right)?$$
A
3-Input NAND gate
B
3-Input XOR gate
C
3-Input NOR gate
D
3-Input XNOR gate
2
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 _______.
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3
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 ____
4
GATE ECE 2015 Set 1
Numerical
+1
-0
The electric field component of a plane wave traveling in a lossless dielectric medium is given by $$$\overrightarrow E \left( {z,t} \right) = {\widehat a_y}2\cos \left( {{{10}^8}t - {z \over {\sqrt 2 }}} \right)V/m.$$$

The wavelength )in m) for the wave is

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