System Analysis and Design
To reconstruct a system, which of the following key element(s) must be considered :

all of the listed here
feedback and environment
outputs and inputs
control and processors.

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System Analysis and Design
HIPO

consists of a hierarchy chart and an associated set of input/process/ output charts
All of these
is a forms-driven technique in which standard forms are used to document the information
None of these
captures the essence of top down decomposition.

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System Analysis and Design
The rule(s) to follow in constructing decision tables is (are):

the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
standardized language must be used consistently.
all of the listed here
a decision should be given a name

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