How many exclusive-NOR gates would be required for an 8-bit comparator circuit?

More Questions from Code Converters and Multiplexers

• The inputs/outputs of an analog multiplexer/demultiplexer are:
• One way to convert BCD to binary using the hardware approach is:
• If two inputs are active on a priority encoder, which will be coded on the output?
• A BCD decoder will have how many rows in its truth table?
• A principle regarding most IC decoders is that when the correct input is present, the related output will switch:
• One multiplexer can take the place of:
• For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs? A0 = 0 B0 = 1 IA < B = 0 A1 = 1 B1 = 0 IA = B = 1 A2 = 1 B2 = 0 IA > B = 0 A3 = 0 B3 = 0
• The expansion inputs to a comparator are used for expansion to a(n):
• Why is the Gray code more practical to use when coding the position of a rotating shaft?
• Exclusive-AND gates are needed for conversions between Gray code and binary code.

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