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Electronics - Sequential Logic Circuits

Exercise : Sequential Logic Circuits - General Questions
6.
Which type of device may be used to interface a parallel data format with external equipment's serial format?
key matrix
UART
memory chip
serial-in, parallel-out
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When the output of a tri-state shift register is disabled, the output level is placed in a:
float state
LOW state
high impedance state
float state and a high impedance state
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A comparison between ring and johnson counters indicates that:
a ring counter has fewer flip-flops but requires more decoding circuitry
a ring counter has an inverted feedback path
a johnson counter has more flip-flops but less decoding circuitry
a johnson counter has an inverted feedback path
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A sequence of equally spaced timing pulses may be easily generated by which type of counter circuit?
shift register sequencer
clock
johnson
binary
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
What is meant by parallel-loading the register?
Shifting the data in all flip-flops simultaneously
Loading data in two of the flip-flops
Loading data in all four flip-flops at the same time
Momentarily disabling the synchronous SET and RESET inputs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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