In what way is stored program control superior to hard wired control?
The SPC gains superiority over hard wired because of following points:
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SPC
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Hard Wired Control
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It is Flexible
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It is Not Flexible
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It is Slower
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It is Faster
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More costly for
moderate processing functions
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Less costly for
Moderate, easy and fixed
Processing functions
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Simple to implement,
Complex Processing functions
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Not easy to implement,
Complex processing functions
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Introducing new facilities
is easy
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Introducing new facilities is
not simply possible
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Easier to keep
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Difficult to keep
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