Exclusive-AND gates are needed for conversions between Gray code and binary code.

More Questions from Code Converters and Multiplexers

• A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.
• The microcontroller needs to use only three input lines to monitor eight separate points.
• The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.
• In a priority encoder, the input with the highest priority is represented on the output.
• Before you can make a design you must decide if you want an active-HIGH output.
• The basic comparator evaluates two binary strings bit by bit and always outputs a 1.
• A demultiplexer takes a dual input data value and routes it to one of several outputs.
• In a multiplexer, the data select control inputs are responsible for determining which data input is selected to be transmitted to the data output line.
• The digit bus and display bus are each just a common set of conductors shared by the digit storage registers and display segments.

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