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Home ‣ Digital Electronics ‣ Digital System Projects Using HDL See What Others Are Saying!
- Question
Which is not a step in strategic planning for HDL development?
Options- A. There must be a way to test each piece.
- B. Each block must fit together to make up the whole system.
- C. The names of each input and output must be known.
- D. The exact operation of each block must be thoroughly defined and understood.
- Correct Answer
- The names of each input and output must be known.
- 1. The postponed symbol (
) on the output of a flip-flop identifies it as being ________.
Options- A. a D flip-flop
- B. a J-K flip-flop
- C. pulse triggered
- D. trailing edge-triggered Discuss
- 2. A node is defined as ________.
Options- A. a common point in a circuit
- B. a circuit implemented as a sum-of-products
- C. the output signals from a circuit
- D. a shorted input Discuss
- 3. ROM access time is defined as ________.
Options- A. how long it takes to program the ROM chip
- B. being the difference between the READ and WRITE times
- C. the time it takes to get valid output data after a valid address is applied
- D. the time required to activate the address lines after the ENABLE line is at a valid level Discuss
- 4. Successive-approximation is perhaps the most widely used method of A/D conversion.
Options- A. True
- B. False Discuss
- 5. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmer interconnect that is used to connect internal logic modules is called a ________.
Options- A. bed-of-nails
- B. boundary scan
- C. CLB
- D. CPLD Discuss
- 6. A Karnaugh map is a systematic way of reducing which type of expression?
Options- A. product-of-sums
- B. exclusive NOR
- C. sum-of-products
- D. those with overbars Discuss
- 7. All I/O pins in the MAX7000S family have a tristate buffer.
Options- A. True
- B. False Discuss
- 8. When the 2's-complement system is used, the number to be subtracted is changed to its 2's complement and then added to the minuend.
Options- A. True
- B. False Discuss
- 9. In a BCD-to-seven-segment converter, why must a code converter be utilized?
Options- A. to convert the 4-bit BCD into 7-bit code
- B. to convert the 4-bit BCD into 10-bit code
- C. to convert the 4-bit BCD into Gray code
- D. No conversion is necessary. Discuss
- 10. When decimal numbers with several digits are to be added together using BCD adders ________.
Options- A. a separated BCD adder is required for each digit position
- B. the BCD adders must have the carry-outs grounded
- C. the BCD's must be grouped in twos
- D. full adders are also used Discuss
More questions
Correct Answer: pulse triggered
Correct Answer: a common point in a circuit
Correct Answer: the time it takes to get valid output data after a valid address is applied
Correct Answer: True
Correct Answer: CLB
Correct Answer: sum-of-products
Correct Answer: True
Correct Answer: True
Correct Answer: to convert the 4-bit BCD into 7-bit code
Correct Answer: a separated BCD adder is required for each digit position
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