Made easy test series : Microprogrammed control unit
in CO & Architecture
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Consider the following statements:
S1 : Hardwired control unit design is not suitable in design and testing places.
S2 : Horizontal micro programmed control unit design is implemented using sum of product expression on a flip-flops.
S3 : Vertical micro programmed control unit allows high degree of the parallelism with respect to horizontal μ-program control unit.
S4 : In the control unit design control signals are represented in a encoding format/decoding format/SOP format.
Which of the following statements are true?

 

Can some say about statement S2 and S4 ,whether they are true or false?

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S1 Hardwired control unit design is less flexible so are unsuitable in design and testing places.

S2 Hardwired control unit design is implemented using SOP

S3 Horizontal offers more flexibility. Vertical requires a decoder so produces one instruction at a time

S4 That's true.
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