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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
4.37 A combinational circuit has four inputs (A,B, C, D),which represent a binary-coded-decimal digit. The circuit has two groups of four outputs S, T, U, V, and W,X , Y, Z. Each group represents a BCD digit. The output digits represent a decimal number which is five times the input number. For example, if ABCD = 0111, the outputs are 00110101. Assume that invalid BCD digits do not occur as inputs.
(a)Â Â Construct the truth table.
(b)Â Â Write down the minimum expressions for the outputs by inspection of the truth table. (Hint: Try to match output columns in the table with input columns .)
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Hel-----------lo -----------Sir-----------/Ma-----------dam-----------Tha-----------nk -----------You----------- fo-----------r u-----------sin-----------g o-----------ur -----------web-----------sit-----------e a-----------nd -----------and----------- ac-----------qui-----------sit-----------ion----------- of----------- my----------- po-----------ste-----------d s-----------olu-----------tio-----------n.P-----------lea-----------se -----------pin-----------g m-----------e o-----------n c-----------hat----------- I -----------am -----------onl-----------ine----------- or----------- in-----------box----------- me----------- a -----------mes-----------sag-----------e I----------- wi-----------ll