Virtual Labs

Electronics and Communication Engineering Digital Electronic Circuits Laboratory Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Analysis and Synthesis of Multi-bit Sequential Circuits using Shift Registers

Choose difficulty:

Beginner

Intermediate

Advanced

How can parallel data be taken out of a shift register simultaneously?

a: Use the Q output of the first FF Explanation

Explanation

b: Use the Q output of the last FF Explanation

Explanation

c: Tie all of the Q outputs together Explanation

Explanation

d: Use the Q output of each FF Explanation

Explanation

What does the output enable do on the 74395A chip?

a: It determines when data can be loaded. Explanation

Explanation

b: It forces all outputs to go HIGH Explanation

Explanation

c: It forces all outputs to go LOW. Explanation

Explanation

d: It activates the three-state buffer. Explanation

Explanation

To operate correctly, starting a ring shift counter requires:

a: clearing all the flip-flops Explanation

Explanation

b: presetting one flip-flop and clearing all others Explanation

Explanation

c: clearing one flip-flop and presetting all others Explanation

Explanation

d: presetting all the flip-flops Explanation

Explanation

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