Location:Home > slippers > the sequence at the Q output will be a. 010000 b. 011001 c. 010010 d. 010101 Answer: D Solution : h

the sequence at the Q output will be a. 010000 b. 011001 c. 010010 d. 010101 Answer: D Solution : h

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Questions Flip free latches Gate

1.       Choose the correct statements relating to the circuit of figure shown

 the sequence at the Q output will be a. 010000 b. 011001 c. 010010 d. 010101 Answer: D Solution : https://www.youtube.com/watch?v=xLkAhzePI90 1998 1. In the figure shown is A = 1 and B =1


Answer:     B & D
                           Solution :  
https://www.youtube.com/watch?v=zryK-Yl3-Dg



1988


1.       The circuit given below is a 

 the sequence at the Q output will be a. 010000 b. 011001 c. 010010 d. 010101 Answer: D Solution : https://www.youtube.com/watch?v=xLkAhzePI90 1998 1. In the figure shown is A = 1 and B =1


                  a.       JK flip flop

                  b.      Johnson counter

                  c.       RS latch

                  d.      None of the above


Answer:    C
                                Solution :    https://www.youtube.com/watch?v=vgY4u6Yqfqo



1991


1.    An S-R flip flop can be converted into a T flip flop by connecting ____ to Qbar and _____ to Q.

Answer:    S to Qbar and R to Q

Solution :   https://www.youtube.com/watch?v=sxSeKlxdxSc





1992


1.       A new clocked X-Y flip flop is defined with two inputs, X and Y is in addition to the clock input. The flip flop functions as follows:


If XY = 00, the flip flop changes state with each clock pulse


If XY = 01, the flip flop state Q becomes ‘1’ with the next clock pulse


If XY = 10, the flip flop state Q becomes ‘0’ with the next clock pulse


If XY = 11, the change of state occurs with the clock pulse

                  a.       Write the truth table for the XY flip flop

                  b.      Write the excitation table for the XY flip flop

                  c.       It is desirable to convert a J-K flip flop into X-Y flip flop by adding some external      gates, if necessary. Draw a circuit to show how you will implement in X-Y flip flop using   a J-K flip flop.


Solution :   https://www.youtube.com/watch?v=c8PZBGHCGDQ







1994


1.   For the digital circuit shown in the figure, explain what happens at nodes N1, N2, F and F’ when 

 the sequence at the Q output will be a. 010000 b. 011001 c. 010010 d. 010101 Answer: D Solution : https://www.youtube.com/watch?v=xLkAhzePI90 1998 1. In the figure shown is A = 1 and B =1


Solution :   https://www.youtube.com/watch?v=yl2GD3Hetm8





1995


1.       A switch-tail ring counter is made by using a single D flip flop. The resulting circuit is a

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