System Analysis and Design
A menu-driven system

can be used only by computer professionals
None of these
presents options and allows the user to make selections
increases the operator's work
is required only for on-line systems

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System Analysis and Design
A Decision table

documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
gets an accurate picture of the system
represents the information flow
shows the decision paths

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System Analysis and Design
Most algorithms begin by _____.

Entering the output items into the computer
Processing the input items by doing some calculations on them
Displaying the output items
Entering the input items into the computer
Displaying the input items

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