STLD IMP QUESTIONS

1.      Simplify this by using TABULAR METHOD.

f(A,B,C,D)= ABCD + ABD + BCD + ABD + ACD

2.      Design a 4:1 MUX with neat diagram.

3.      Implement the following by using a 4:1 MUX and 2:1 MUX.

F(A,B,C)=∑m(0,2,3,6,7)

4.      Design 1:4 DEMUX and design the combinational circuit for even and odd parity bit generators.

5.      Design the combinational circuit which converts the given BCD code into GRAY CODE.

6.      Explain about the classification of sequential circuits and different methods of triggering.

7.      Draw the truth tables and excitation tables of various flip-flops.

8.       Design a 5 bit ring counter and 6 bit Johnson counter.

9.      Design serial binary adder.

10.  Design sequence detector.

11.  Explain about the mealy and Moore models of seq.circuits.

12.  Design a mod-7 syn counter by using T- flip flops.

13.  Explain about the state diagram and draw the state diagrams of J-K ff, S-R ff, T-ff and D-ff.

14.   Get the characteristic equations for J-K ff, T-ff and D-ffs.

15.  Design the combinational circuit for 3 bit magnitude comparator.