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Digital Electronics - Shift Registers

Exercise : Shift Registers - General Questions
41.
Which type of device may be used to interface a parallel data format with external equipment's serial format?
key matrix
UART
memory chip
series in, parallel out
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
What is the function of a buffer circuit?
to provide an output that is inverted from that on the input
to provide an output that is equal to its input
to clean up the input
to clean up the output
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
What is the preset condition for a ring shift counter?
all FFs set to 1
all FFs cleared to 0
a single 0, the rest 1
a single 1, the rest 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Which is not characteristic of a shift register?
Serial in/parallel in
Serial in/parallel out
Parallel in/serial out
Parallel in/parallel out
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
To keep output data accurate, 4-bit series-in, parallel-out shift registers employ a ________.
divide-by-4 clock pulse
sequence generator
strobe line
multiplexer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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