Consider the micro-programmed control unit which support 256 instructions, each of which on an average takes 16 micro operations. The system support 16 flag conditions and 52 control signals. If vertical microprogramming control is used in the system then total length of control word is __________ (bits/word)
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Answer:
bits
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Answer:
22 bits
#instruction =256 each take 16 micro operation so no of bits 256*16= 12 bit
16 flag so 4 bit
52 control signal so decode them because of vertical so no of bits =6
Total lenght = 12+4+6=22 bits answer
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