electronics-combinational-logic-circuits Related Question Answers

1. Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?





2. A magnitude comparator determines:





3. Which digital system translates coded characters into a more intelligible form?





4. A multiplexer is a device that outputs a fixed sequence of binary states on each clock pulse.



5. The general function of a decoder is to activate one or more circuit outputs upon detection of a particular digital state.



6. An encoder circuit is designed to generate specific codes.



7. A decoder with two inputs will have two outputs for the decoded value.



8. A magnitude comparator outputs the highest or lowest value of its inputs depending on control signals.



9. An AND gate and two INVERTERs can be connected to act as a basic decoder.



10. Parity checking can only detect an odd number of errors.



11. A sixteen-input multiplexer will need three data select input control lines.



12. A hexadecimal decoder selects one of sixteen outputs depending on the 8-bit binary input applied.



13. A multiplexer is a device that chooses which output to send an input to by means of select lines.



14. A technique that can be used in multiple-digit numerical displays to control suppression or display of leading or trailing zeros in the display is called _________.





15. Parity systems are defined as either_____ or _____ and will add an extra _____ to the digital information being transmitted.





16. A device that uses a binary decoder to direct a digital signal from a single source to one of several destinations is a ________.





17. A code in which each individual digit of a decimal number is represented by a 4-bit binary number is _________.





18. The diodes in a seven-segment display where all cathodes are tied together and grounded are illuminated when a logic ____________________ is applied to the ____________________.





19. Most demultiplexers facilitate which of the following?





20. Select one of the following statements that best describes the parity method of error detection:





21. A multiplexed display:





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