Draw block diagram of a 4-bit magnitude comparator

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Reference no: EM131368300

A 4-bit magnitude comparator chip (e.g., 74LS85) compares two 4-bit numbers A and B and produces outputs to indicate whether A < B, A = B, or A > B. There are three output signals to indicate each of the above conditions. Note that exactly one of the output lines will be high and the other two lines will be low at any time. The chip is a cascadable chip and has three inputs, A > B.IN, A = B.IN, and A

(a) Draw block diagram of a 4-bit magnitude comparator

(b) Draw a block diagram to indicate how you can construct an 8-bit magnitude comparator using two 4-bit magnitude comparators.

(d) Write VHDL code for the 8-bit comparator using two 4-bit comparators as components.

Reference no: EM131368300

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