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Digital Electronics - Counters

Exercise : Counters - General Questions
16.
How many AND gates would be required to completely decode ALL the states of a MOD-64 counter, and how many inputs must each AND gate have?
128 gates, 6 inputs to each gate
64 gates, 5 inputs to each gate
64 gates, 6 inputs to each gate
128 gates, 5 inputs to each gate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.

What decimal value is required to produce an output at "X" ?

1
1 or 4
2
5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
A BCD counter is a ________.
binary counter
full-modulus counter
decade counter
divide-by-10 counter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.

The circuit given below has no output on Q1 when examined with an oscilloscope. All J-K inputs are HIGH, the CLK signal is present, and the Q0 is toggling. The C input of FF1 is a constant LOW. What could be causing the problem?

The Q0 output should be connected to the J input of FF1.
The output of FF0 may be shorted to ground.
The input of FF1 may be shorted to ground.
Either the output of FF0 or the input of FF1 may be shorted to ground.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
How many flip-flops are required to construct a decade counter?
10
8
5
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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