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  TITLE: Study of IC 74LS85 as a Magnitude Comparator   AIM: Design and Implement 4 bit comparator.   COMPONENTS REQUIRED :   Digital Trainer Kit, IC 7485, Patch Cord ,+ 5V   Power Supply THEORY : COMPARATOR:                                                                                                                        Comparators can be designed for comparing multi-bit numbers. It receives two n-bit numbers A and B as inputs and outputs are A>B, A=B & A<B. Depending upon relative magnitude of two numbers, one of outputs will be HIGH. The 4-bit comparators are available in MSI(7485) which compares straight bi...