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- Question
In a FLEX10K device, the carry chain provides a fast carry forward function between ________.
Options- A. LUTs
- B. EABs
- C. LEs
- D. LABs
- Correct Answer
- LEs
- 1. Resistors?usually 300 Ω apiece?inserted between a decoder and a 7-segment display are ________.
Options- A. pull-up resistors to keep logic HIGH when the input is open
- B. sense resistors to enable a test of logic levels
- C. current limiting resistors for the 7-segment display
- D. surge resistors to prevent damage from power-line variations Discuss
- 2. A Johnson counter, constructed with N flip-flops, has how many unique states?
Options- A. N
- B. 2N
- C. 2N
- D. N2 Discuss
- 3. How many product terms can a MAX+Plus II compiler borrow from adjacent macrocells in the same LAB?
Options- A. 0
- B. 5
- C. 10
- D. 20 Discuss
- 4. In ASCII code, the hexadecimal sequence 53 54 55 44 45 4E 54 decodes to STUDENT.
Options- A. True
- B. False Discuss
- 5. A J-K flip-flop excitation table lists the present state, the next state, and the J and K levels required to produce each transition.
Options- A. True
- B. False Discuss
- 6. Special handling precautions should be taken when working with MOS devices. Which of the following statements is not one of these precautions?
Options- A. All test equipment should be grounded.
- B. MOS devices should have their leads shorted together for shipment and storage.
- C. Never remove or insert MOS devices with the power on.
- D. Workers handling MOS devices should not have grounding straps attached to their wrists. Discuss
- 7. The column weight of the "1" in the hexadecimal number 1AB is ________.
Options- A. 64
- B. 256
- C. 512
- D. 1024 Discuss
- 8. In the digital clock design, the hours section is different from the seconds and minutes section in that it never goes to ________.
Options- A. the 0 state
- B. 13
- C. the ring counter
- D. the BCD counter Discuss
- 9. How is a J-K flip-flop made to toggle?
Options- A. J = 0, K = 0
- B. J = 1, K = 0
- C. J = 0, K = 1
- D. J = 1, K = 1 Discuss
- 10. The following combination is correct for an ODD parity data transmission system:
data = 011011100 and parity = 0
Options- A. True
- B. False Discuss
More questions
Correct Answer: current limiting resistors for the 7-segment display
Correct Answer: 2N
Correct Answer: 5
Correct Answer: True
Correct Answer: True
Correct Answer: Workers handling MOS devices should not have grounding straps attached to their wrists.
Correct Answer: 256
Correct Answer: the 0 state
Correct Answer: J = 1, K = 1
Correct Answer: True
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