1
GATE ECE 2018
Numerical
+1
-0.33
A traffic signal cycles from GREEN to YELLOW, YELLOW to RED and RED to GREEN. In each cycle, GREEN is turned on for 70 seconds, YELLOW is turned on for 5 seconds and the RED is turned on for 75 seconds. This traffic light has to be implemented using a finite state machine (FSM). The only input to this FSM is a clock of 5 second period. The minimum number of flip-flops required to implement this FSM is _______.
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2
GATE ECE 2017 Set 1
Numerical
+1
-0
Consider the D-Latch shown in the figure, which is transparent when its clock input CK is high and has zero propagation delay. In the figure, the clock signal CLK1 has a 50% duty cycle and CLK2 is a one-fifth period delayed version of CLK1. The duty cycle at the output latch in percentage is ___________. GATE ECE 2017 Set 1 Digital Circuits - Sequential Circuits Question 45 English 1 GATE ECE 2017 Set 1 Digital Circuits - Sequential Circuits Question 45 English 2
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3
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the latch circuit shown, the NAND gates have non-zero, but unequal propagation delays. The present input condition is: P = Q = "0‟. If the input condition is changed simultaneously to P = Q = "1", the outputs X and Y are GATE ECE 2017 Set 1 Digital Circuits - Sequential Circuits Question 44 English
A
X = '1', Y = '1'
B
either X = '1', Y = '0' or X = '0', Y = '1'
C
either X = '1', Y = '1' or X = '0', Y = '0'
D
X = '0', Y = '0'
4
GATE ECE 2016 Set 2
Numerical
+1
-0
Assume that all the digital gates in the circuit shown in the figure are ideal, the resistor 𝑅 = 10 𝑘Ω and the supply voltage is 5 𝑉. The D flip-flops D1, D2, D3, D4 and D5 are initialized with logic values 0, 1, 0,1 and 0, respectively. The clock has a 30% duty cycle. GATE ECE 2016 Set 2 Digital Circuits - Sequential Circuits Question 48 English

The average power dissipated (in mW) in resistor R is ______.

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