Virtual Labs

Electronics and Communication Engineering Digital Logic Design (Logic Gates & Mux-Demux) Experiments

Aim

Theory

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Procedure

Simulation

Posttest

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Design of 8-bit digital Comparator using MSI ICs

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Beginner

Intermediate

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In 8 bit comparator, the cascading input of most significant comparator should be connected to ___________.

a: to the cascading outputs from the least significant comparator. Explanation

Explanation

b: to the cascading inputs of the least significant comparator. Explanation

Explanation

c: A = B to a logic high, A < B and A > B to a logic low. Explanation

Explanation

d: ground. Explanation

Explanation

The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the outputs?

a: A > B = 1, A < B = 0, A = B = 1. Explanation

Explanation

b: A > B = 0, A < B = 1, A = B = 0. Explanation

Explanation

c: A > B = 1, A < B = 0, A = B = 0. Explanation

Explanation

d: A > B = 0, A < B = 1, A = B = 1. Explanation

Explanation

What is the function of the comparators in 74LS8

a: To compare two Numbers Explanation

Explanation

b: To compare voltage Explanation

Explanation

c: To compare curren Explanation

Explanation

d: None of the above Explanation

Explanation

The binary numbers A = 1010 and B = 1010 are applied to the inputs of a comparator. What are the outputs?

a: A > B = 1, A < B = 0, A = B = 1. Explanation

Explanation

b: A > B = 0, A < B = 1, A = B = 0. Explanation

Explanation

c: A > B = 1, A < B = 0, A = B = 0. Explanation

Explanation

d: A > B = 0, A < B = 1, A = B = 1. Explanation

Explanation

The binary numbers A = 1100 1010 and B = 1001 0001 are applied to the inputs of a comparator. What are the outputs?

a: A > B = 1, A < B = 0, A = B = 1. Explanation

Explanation

b: A > B = 0, A < B = 1, A = B = 0 Explanation

Explanation

c: A > B = 1, A < B = 0, A = B = 0. Explanation

Explanation

d: A > B = 0, A < B = 1, A = B = 1 Explanation

Explanation

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