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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 14
26.
A master slave flip-flop has the characteristics that
change in the I/P immediately reflected in the O/P
change in the O/P occurs when the state of the master is affected
change in the output occurs when the state of the slave is affected
both the master and the slave states are affected at the same time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which of the following flip-flops is used as latch?
JK flip-flop
D flip-flop
RS flip-flop
T flip-flop
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Least expensive logic
RTL
DTL
TTL
ECL
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The circuit show in the figure has 4 boxes each described by inputs P, Q, R and outputs y, z with
Y = P ⊕ Q ⊕ R, Z = RQ + PR + QP The circuit act as a
4 bit adder giving P + Q
4 bit subtractor P - Q
4 bit subtractor Q - P
4 bit adder P + Q + R
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Logic pulser
generates short duration pulses
generates long duration pulses
generates sinusoidal voltage
generates ideal pulses
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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