1
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
A universal logic gate can implement any Boolean function by connecting sufficient number of them appropriately. Three gates are shown. GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 10 English 1 GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 10 English 2

Which one of the following statesments is TRUE?

A
Gate 1 is a universal gate.
B
Gate 2 is a universal gate.
C
Gate 3 is a universal gate.
D
None of the gates shown is a universal gate.
2
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
A three bit pseudo random number generator is shown. Initially the value of output Y = Y2 Y1 Y0 is set to 111. The value of output Y after three clock cycles is GATE ECE 2015 Set 3 Digital Circuits - Sequential Circuits Question 35 English
A
000
B
001
C
010
D
100
3
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The circuit shown consists of J-K flip-flops, each with an active low asynchronous reset ($$\overline {{R_d}} $$ input). The counter corresponding to this circuit is GATE ECE 2015 Set 3 Digital Circuits - Sequential Circuits Question 57 English
A
a modulo-5 binary up counter
B
a modulo-6 binary down counter
C
a modulo-5 binary down counter
D
a modulo-6 binary up counter
4
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The directivity of an antenna array can be increased by adding more antenna elements, as a larger number of elements
A
Improves the radiation efficiency
B
Increases the effective area of the antenna
C
Results in a better impedance matching
D
Allows more power to be transmitted by the antenna