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Digital Electronics - Digital Design

Exercise : Digital Design - General Questions
11.
What would be the output voltage of a 7814 voltage regulator?
–14 V dc
+14 V dc
–8 V dc
+8 V dc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The purpose of a pull-up resistor is to keep a terminal at a ________ level when it would normally be at a ________ level.
LOW, float
HIGH, float
clock, float
pulsed, float
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Setup time specifies:
the minimum time the control levels need to be maintained on the inputs prior to the triggering edge of the clock in order to be reliably clocked into the flip-flop
the maximum time interval required for the control levels to remain on the inputs before the triggered edge of the clock in order for the data to be reliably clocked out of the flip-flop
how long the operator has to get the flip-flop running before the maximum power level is exceeded
how long it takes the output to change states after the clock has transitioned
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Can the automatic RC circuit be used to set a flip-flop rather than reset the flip-flop?
yes
no
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A Schmitt trigger:
has two trip points
is a zero crossing detector
has positive feedback
has two trip points and positive feedback
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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