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Q3) One input port with address [45H] and one output port with address [59H] are used to interface four switches using [D4 to D7], and

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Q3) One input port with address [45H] and one output port with address [59H] are used to interface four switches using [D4 to D7], and a 7seg. display through a BCD decoder using [D0 to D3]. Design and draw an interfacing diagram with a typical processor using 3-8 decoder and NAND gates for address decoding

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