Digital Electronics-Ex-OR and Ex-NOR Gates

Digital Electronics-Ex-OR and Ex-NOR Gates
11. The odd/even parity system would require a sixth bit to be added to a 4-bit system.
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12. Electrical noise does not affect the transmission of binary information.
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13. Using the CPLD design environment, we can simulate any combinations of inputs and observe the resulting output to check for proper circuit operation.
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14. The exclusive-OR provides a LOW input if one input or the other input is HIGH.
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15. The exclusive-OR is written in a Boolean equation as a plus sign with a circle around it.
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16. Parity generator and checker circuits are available in single IC packages.
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17. The Ex-NOR is sometimes called the equality gate.
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18. A parity checker is constructed in the same way as a parity generator, except that in a 4-bit system there must be five inputs, and the output is used as the error indicator.
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19. In a parity generator circuit, an error is signaled on an error indicator.
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