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Digital Electronics - Combinational Logic Circuits

Exercise : Combinational Logic Circuits - General Questions
36.
The carry propagation can be expressed as ________.
Cp = AB
Cp = A + B
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.

Which of the K-maps given below represents the expression X = AC + BC + B?

a
b
c
d
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
A decoder can be used as a demultiplexer by ________.
tying all enable pins LOW
tying all data-select lines LOW
tying all data-select lines HIGH
using the input lines for data selection and an enable line for data input
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which statement below best describes a Karnaugh map?
A Karnaugh map can be used to replace Boolean rules.
The Karnaugh map eliminates the need for using NAND and NOR gates.
Variable complements can be eliminated by using Karnaugh maps.
Karnaugh maps provide a visual approach to simplifying Boolean expressions.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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