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Digital Electronics - Counters

Exercise : Counters - General Questions
51.
What is the difference between a 7490 and a 7493?
7490 is a MOD-10, 7493 is a MOD-16
7490 is a MOD-16, 7493 is a MOD-10
7490 is a MOD-12, 7493 is a MOD-16
7490 is a MOD-10, 7493 is a MOD-12
Answer: Option
Explanation:
No answer description is available. Let's discuss.
52.
A ripple counter's speed is limited by the propagation delay of:
each flip-flop
all flip-flops and gates
the flip-flops only with gates
only circuit gates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
53.

Referring to the given figure, at which point is the serial data transferred to the parallel output?

W
X
Y
Z
Answer: Option
Explanation:
No answer description is available. Let's discuss.
54.
A 4-bit counter has a maximum modulus of ________.
3
6
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
55.
Which of the following statements best describes the operation of a synchronous up-/down-counter?
The counter can count in either direction, but must continue in that direction once started.
The counter can be reversed, but must be reset before counting in the other direction.
In general, the counter can be reversed at any point in its counting sequence.
The count sequence cannot be reversed, once it has begun, without first resetting the counter to zero.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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