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- Question
The output of a NOT gate is HIGH when ________.
Options- A. the input is LOW
- B. the input is HIGH
- C. the input changes from LOW to HIGH
- D. voltage is removed from the gate
- Correct Answer
- the input is LOW
- 1. What is one relative disadvantage of serial transfer?
Options- A. It requires too many conductors.
- B. Its interconnect system is complex.
- C. It is slow.
- D. It can only be used over very short distances. Discuss
- 2. Which format requires fewer conductors?
Options- A. Parallel
- B. Serial
- C. Both are the same
- D. Cannot tell Discuss
- 3. Parallel format means that:
Options- A. each digital signal has its own conductor.
- B. several digital signals are sent on each conductor.
- C. both binary and hexadecimal can be used.
- D. no clock is needed. Discuss
- 4. A multiplexer has ________.
Options- A. one input and several outputs
- B. one input and one output
- C. several inputs and several outputs
- D. several inputs and one output Discuss
- 5. The generic array logic (GAL) device is ________.
Options- A. one-time programmable
- B. reprogrammable
- C. a CMOS device
- D. reprogrammable and a CMOS device Discuss
- 6. A pulse has a period of 15 ms. Its frequency is ________.
Options- A. 6.66 Hz
- B. 66.66 Hz
- C. 666.66 Hz
- D. 15 Hz Discuss
- 7. Digital representations of numerical values of quantities may BEST be described as having characteristics:
Options- A. that are difficult to interpret because they are continuously changing.
- B. that vary constantly over a continuous range of values.
- C. that vary in constant and direct proportion to the values they represent.
- D. that vary in discrete steps in proportion to the values they represent. Discuss
- 8. Which format can send several bits of information faster?
Options- A. Parallel
- B. Serial
- C. Both are the same
- D. Cannot tell Discuss
- 9. In positive logic, ________.
Options- A. a HIGH = 1, a LOW = 0
- B. a LOW = 1, a HIGH = 0
- C. only HIGHs are present
- D. only LOWs are present Discuss
- 10. What is an analog-to-digital converter?
Options- A. It makes digital signals.
- B. It takes analog signals and puts them in digital format.
- C. It allows the use of digital signals in everyday life.
- D. It stores information on a CD. Discuss
Digital Concepts problems
Search Results
Correct Answer: It is slow.
Correct Answer: Serial
Correct Answer: each digital signal has its own conductor.
Correct Answer: several inputs and one output
Correct Answer: reprogrammable
Correct Answer: 66.66 Hz
Correct Answer: that vary in discrete steps in proportion to the values they represent.
Correct Answer: Parallel
Correct Answer: a HIGH = 1, a LOW = 0
Correct Answer: It takes analog signals and puts them in digital format.
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