UNIT-I

Each position of the number is not assigned a fixed value. Example: Excess-3 & Gray code . Add the decimals 67 and 78 using excess-3 code. 67 = ( 0110 0111 ) BCD = ( 1001 1010 ) XS-3 ... Truth table Implementation table. ... Design a carry look ahead carry Generator. Design a 4 bit comparator using logic gates. (i) Design a BCD adder to add two ... ................
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