Discussion
Home ‣ Digital Electronics ‣ Digital Concepts Comments
- Question
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
- Correct Answer
- 66.66 Hz
- 1. 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 Discuss
- 2. 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
- 3. Which format requires fewer conductors?
Options- A. Parallel
- B. Serial
- C. Both are the same
- D. Cannot tell Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. Which format can send several bits of information faster?
Options- A. Parallel
- B. Serial
- C. Both are the same
- D. Cannot tell Discuss
- 8. 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
- 9. 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
- 10. In the decimal numbering system, what is the MSD?
Options- A. The middle digit of a stream of numbers
- B. The digit to the right of the decimal point
- C. The last digit on the right
- D. The digit with the most weight Discuss
Digital Concepts problems
Search Results
Correct Answer: the input is LOW
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: 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.
Correct Answer: The digit with the most weight
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.