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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 11
26.
If tp is the pulse width, Δt is the propagation delay, T is period of pulse train then the following condition can avoid the race around condition
tp = Δt = T
2tp > Δt > T
tp < Δt < T
tp < Δt < T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In a Karnaugh map for an expression having 'don't care terms' the don't cares can be treated as
0
1
1 or 0
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following pairs of octal and binary numbers are not equal?
111 110112 = 7678
1101101012 = 6658
110102 = 38
10101.112 = 25.68
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
With a JK master-slave flip-flop the master is clocked when the clock is __________ , and the slave is triggered when the clock is __________ .
low, low
high, low
low, high
high, high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The communicating capacitor reduces turn on time because
it acts as an open circuit
it allows maximum base circuit to flow
it aids in removing the excess carrier from the base region
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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