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Digital Electronics - Code Converters and Multiplexers

Exercise : Code Converters and Multiplexers - General Questions
11.
A principle regarding most IC decoders is that when the correct input is present, the related output will switch:
active-HIGH
to a high impedance
to an open
active-LOW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
What control signals may be necessary to operate a 1-line-to-16 line decoder?
flasher circuit control signal
a LOW on all gate enable inputs
input from a hexadecimal counter
a HIGH on all gate enable circuits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
One multiplexer can take the place of:
several SSI logic gates
combinational logic circuits
several Ex-NOR gates
several SSI logic gates or combinational logic circuits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
How many exclusive-NOR gates would be required for an 8-bit comparator circuit?
4
6
8
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
How many inputs are required for a 1-of-10 BCD decoder?
4
8
10
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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