Exercise: Digital System Projects Using Hdl

Questions for: Digital System Projects Using Hdl

In the keypad application, what does the preset state of the ring counter define?
A:
The proper output of the column encoder
B:
The NANDing of the rows
C:
The NANDing of the columns
D:
The proper output of the row encoder
Answer: D
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Which is not a step that should be followed in project management?
A:
Overall definition
B:
System documentation
C:
Synthesis and testing
D:
System integration
Answer: B
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In the digital clock project, the purpose of the frequency prescaler is to:
A:
find the basic frequency.
B:
transform a 60 pps input to a 1 pps timing signal.
C:
prevent the clock from exceeding 12:59:59.
D:
allow the BCD display to have a value from 00–59.
Answer: B
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What does the ring counter in the HDL keypad application do when a key is pressed?
A:
Count to find the row
B:
Freeze
C:
Count to find the column
D:
Start the D flip-flop
Answer: B
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In the keypad application, what does the data signal define?
A:
The row and column encoded data
B:
The ring encoded data
C:
The freeze locator data
D:
The ring counter data
Answer: A
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