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Digital Electronics
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Digital System Projects Using HDL
Comments
Question
In the keypad encoder, the ________ detects when a key is pressed.
Options
A. ring counter
B. MOD-6 counter
C. BCD counter
D. freeze bit
Correct Answer
freeze bit
Digital System Projects Using HDL problems
Search Results
1. The half-step sequence of a stepper motor is created by inserting a start with only one coil energized between full steps.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
2. In the keypad HDL encoder, the freeze bit detects when a key is released.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
3. The direct drive mode of a stepper motor allows for less control by the operator.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
4. In the digital clock project, frequency prescaling is used to take a 1 pps input and transform it into a 60 pps timing signal.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
5. In HDL, one of the strategies used in strategic planning is to find the speed requirements.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
6. Depending on the ________ the IC is in, the output of the stepper motor HDL will respond to each pulse by changing state.
Options
A. mode
B. make
C. input
D. output
Show Answer
Scratch Pad
Discuss
Correct Answer: mode
7. In the digital clock project, a 60 pps input is transformed into a 1 pps timing signal. The block is called ________.
Options
A. a BCD counter
B. a MOD-60 counter
C. frequency divider
D. frequency prescaling
Show Answer
Scratch Pad
Discuss
Correct Answer: frequency prescaling
8. In a real project, the first step of definition often involves some ________ on the part of the project manager.
Options
A. time
B. skill
C. research
D. management
Show Answer
Scratch Pad
Discuss
Correct Answer: research
9. A frequency counter ________ a signal.
Options
A. measures
B. displays
C. measures and displays
D. measures, displays, and generates
Show Answer
Scratch Pad
Discuss
Correct Answer: measures and displays
10. When coming up with a strategy for dividing the overall project into manageable-size pieces one must ________.
Options
A. name each input and output
B. fully understand how the device should operate
C. define successful completion of the project
D. know the nature of all the signals that interconnect all the pieces
Show Answer
Scratch Pad
Discuss
Correct Answer: know the nature of all the signals that interconnect all the pieces
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