Consider a digital system which has four inputs. Make a circuit for the system using minimum number of NAND gates only if it gives high output when more than or equal to two inputs are high and otherwise low.
November 13, 2019
You need 7 gates. 6 with 2 inputs and 1 with 6 inputs. 6 input NAND is not in program library, but comon product is 6 input NAND gate ie 7430. Not used inputs are commected to H or connected with other input.
November 16, 2019
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