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Quote: lower levels can't use knowledge about higher levels; but undesired events need higher level information to determine the appropriate action
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Topic:
decomposition of a system into levels
Topic:
exception handling by try..catch
Topic:
the 'uses' hierarchy for organizing systems
Quotation Skeleton
It follows that the lower levels cannot use … [error] recovery usually requires the combined action of several levels. An … [undesired event] … Google-1 Google-2
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Topic: decomposition of a system into levels (49 items)
Topic: exception handling by try..catch (45 items)
Topic: the 'uses' hierarchy for organizing systems (18 items)