Discussion
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- Question
The device that generates a coded output from a single active numeric input line is ________.
Options- A. a decoder
- B. a multiplexer
- C. a comparator
- D. an encoder
- Correct Answer
- an encoder
- 1. A 75154 1-of-16 decoder has 16 outputs and decodes an input of ________ bits.
Options- A. two
- B. three
- C. four
- D. six Discuss
- 2. An octal-to-binary encoder has eight data inputs and encodes an output of ________ bits.
Options- A. two
- B. three
- C. four
- D. five Discuss
- 3. A(n) ________ has a number of input lines, only one of which is activated at a given time, and produces on N-bit output code, depending on which input is activated.
Options- A. encoder
- B. code converter
- C. demultiplexer
- D. decoder Discuss
- 4. The device that places its input data onto one of several outputs is a ________.
Options- A. demultiplexer
- B. multiplexer
- C. comparator
- D. counter Discuss
- 5. The binary value of the BCD number 1000 0001 (81) is ________.
Options- A. 0101 0001
- B. 0110 0011
- C. 0100 0001
- D. 1000 0000 Discuss
- 6. A series RC circuit can be used to generate a power-up (automatic) reset signal.
Options- A. True
- B. False Discuss
- 7. A Schmitt trigger has a positive feedback circuit and experiences a phenomenon called hysteresis.
Options- A. True
- B. False Discuss
- 8. TTL requires a constant supply voltage of 8.0 V.
Options- A. True
- B. False Discuss
- 9. Pull-up resistors and pull-down resistors are used to keep a floating terminal HIGH.
Options- A. True
- B. False Discuss
- 10. The output of a phototransister is determined by the presence or absence of light at its base input.
Options- A. True
- B. False Discuss
MSI Logic Circuits problems
Search Results
Correct Answer: four
Correct Answer: three
Correct Answer: encoder
Correct Answer: demultiplexer
Correct Answer: 0101 0001
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: True
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