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Consider a hypothetical control unit that supports 5 groups of mutually exclusive control signals. Also assume that group 1 & group 2 are using horizontal micro-programming whereas group-3, 4 and 5 are using vertical micro-programming. The total number of bits used for control words are ________.

Ans. 94

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94 bits will be needed 

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Alina asked Dec 31, 2018
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Can anyone explain microprogrammed control unit?Also what is horizontal microcode and vertical microcode?