Digital System Projects Using HDL - General Questions (3)

Directions to Solve

Digital System Projects Using HDL - General Questions

17.

Which is not a step used to define the scope of an HDL project?

A.	Are the inputs and outputs active HIGH or active LOW?
B.	A clear vision of how to make each block work
C.	What are the speed requirements?
D.	How many bits of data are needed?

Answer: Option B

Explanation:

No answer description available for this question.

18.

In a full-step sequence involving two flip-flops driving four coils of a stepper motor, how far will the stepper motor step?

A.	90°
B.	45°
C.	30°
D.	15

Answer: Option D

Explanation:

No answer description available for this question.

19.

Which is not a major block of an HDL frequency counter?

A.	Display register
B.	Decoder/display
C.	Timing and control unit
D.	Bit shifter

Answer: Option D

Explanation:

No answer description available for this question.

20.

In an HDL stepper motor design, why is there more than one mode?

A.	To change the speed of the stepper motor
B.	To change the direction of the stepper motor
C.	To direct drive the stepper motor
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

21.

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: Option D

Explanation:

No answer description available for this question.

22.

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: Option B

Explanation:

No answer description available for this question.

23.

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: Option B

Explanation:

No answer description available for this question.

24.

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: Option B

Explanation:

No answer description available for this question.

1
2
3
4