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GATE 2020: Digital Electronics Quiz 3
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Question 1
Which one of the following is executed by a simple addition of an inverter to an S-R flip flop
Question 2
Which gate must be inserted in dashed box of the circuit to convert a T-flip-flop into a D-flip-flop
Question 3
A 4-bit shift register circuit configured for right shift operation is shown below. If the present state of the shift register is ABCD = 1000, the number of pulses required to reach the state ABCD = 1111 is
Question 4
How many different output state the following shift register is having, if the initial state is (Q3 Q2 Q1 Q0)= 0001
Question 5
A 4-bit serial-in-parallel-out shift register is used with a feedback as shown in figure. The shifting sequence is QA→QB→QC→QD
If the output is 0000 initially, the output repeats after
If the output is 0000 initially, the output repeats after
Question 6
For the ring counter shown in below, find the steady state sequence if the initial state of the counters is 1110 (i.e., Q3, Q2, Q1, Q0 =1110). Determine the MOD number of the counter.
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