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Digital Electronics - Code Converters and Multiplexers

Exercise : Code Converters and Multiplexers - General Questions
36.
How can the active condition (HIGH or LOW) or the decoder output be determined from the logic symbol?
A bubble indicates active-HIGH.
A bubble indicates active-LOW.
A square indicates active-HIGH.
A square indicates active-LOW.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
If two inputs are active on a priority encoder, which will be coded on the output?
the higher value
the lower value
neither of the inputs
both of the inputs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
A circuit that responds to a specific set of signals to produce a related digital signal output is called a(n):
BCD matrix
display driver
encoder
decoder
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
How many 74184 BCD-to-binary converters would be required to convert two complete BCD digits to a binary number?
8
4
2
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
How many select lines would be required for an 8-line-to-1-line multiplexer?
2
3
4
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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