Curioustab

Home » Digital Electronics » Combinational Logic Circuits

How many 4-bit parallel adders would be required to add two binary numbers each representing decimal numbers up through 30010?

1
2
3
4

Correct Answer: 3

← Previous Question Next Question→

More Questions from Combinational Logic Circuits

Solve the network in the figure given below for X.
As a technician you are confronted with a TTL circuit board containing dozens of IC chips. You have taken several readings at numerous IC chips, but the readings are inconclusive because of their erratic nature. Of the possible faults listed, select the one that most probably is causing the problem.
What is the indication of a short on the input of a load gate?
For the device shown here, assume the D input is LOW, both S inputs are LOW, and the input is LOW. What is the status of the outputs?
A logic probe is placed on the output of a gate and the display indicator is dim. A pulser is used on each of the input terminals, but the output indication does not change. What is wrong?
Which of the circuits in figure (a to d) is the sum-of-products implementation of figure (e)?
For the device shown here, let all D inputs be LOW, both S inputs be HIGH, and the input be LOW. What is the status of the Y output?
For the device shown here, let all D inputs be LOW, both S inputs be HIGH, and the input be HIGH. What is the status of the Y output?
How many 1-of-16 decoders are required for decoding a 7-bit binary number?
What is the indication of a short to ground in the output of a driving gate?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion