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- Question
A hexadecimal decoder selects one of sixteen outputs depending on the 8-bit binary input applied.
Options- A. True
- B. False
- Correct Answer
- False
- 1. The general function of a decoder is to activate one or more circuit outputs upon detection of a particular digital state.
Options- A. True
- B. False Discuss
- 2. A multiplexer is a device that outputs a fixed sequence of binary states on each clock pulse.
Options- A. True
- B. False Discuss
- 3. An AND gate and two INVERTERs can be connected to act as a basic decoder.
Options- A. True
- B. False Discuss
- 4. An encoder circuit is designed to generate specific codes.
Options- A. True
- B. False Discuss
- 5. Parity checking can only detect an odd number of errors.
Options- A. True
- B. False Discuss
- 6. A sixteen-input multiplexer will need three data select input control lines.
Options- A. True
- B. False Discuss
- 7. An asynchronous decade counter increases its value by ten for each clock pulse.
Options- A. True
- B. False Discuss
- 8. A multiplexed display circuit uses a technique called time division modulation.
Options- A. True
- B. False Discuss
- 9. The serial-in, parallel-out shift register transfers data from one parallel data bus to another parallel data bus one bit at a time across a single line.
Options- A. True
- B. False Discuss
- 10. Counters are common components in digital clocks.
Options- A. True
- B. False Discuss
Combinational Logic Circuits problems
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