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Digital Concepts
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Question
The horizontal axis of an oscilloscope is normally calibrated in units of ________.
Options
A. voltage
B. current
C. time
D. frequency
Correct Answer
time
Digital Concepts problems
Search Results
1. Digital systems have ________.
Options
A. one state
B. two states
C. three states
D. four states
Show Answer
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Correct Answer: two states
2. It is possible to have an overlap between high and low levels in digital logic.
Options
A. True
B. False
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Correct Answer: False
3. The real world is mainly analog.
Options
A. True
B. False
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Correct Answer: True
4. The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.
Options
A. True
B. False
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Correct Answer: True
5. With an AND gate, if one input is HIGH, the output reflects the other input.
Options
A. True
B. False
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Correct Answer: True
6. The digit that changes most often when counting is called the ________.
Options
A. LSB
B. LL Bean
C. LED
D. LCD
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Correct Answer: LSB
7. The controls on an oscilloscope that will help obtain a stable display are in the ________.
Options
A. vertical section
B. horizontal section
C. trigger section
D. display section
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Correct Answer: trigger section
8. The duty cycle of a square wave is ________.
Options
A. 10%
B. 25%
C. 50%
D. 100%
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Correct Answer: 50%
9. A set of instructions for a computer is called a(n) ________.
Options
A. instruction manual
B. logic unit
C. program
D. diagram
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Correct Answer: program
10. In ________ transmission, a single conductor is used.
Options
A. digital
B. automatic
C. serial
D. binary
Show Answer
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Correct Answer: serial
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