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What are prototypes?
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Important Questions on System Analysis and Design
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Active hub acts as __________ while passive hub simply passes the signal from one device to another.
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Passwords enable users to _____.
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Lower and Upper CASE tools support analysis and design.
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Protecting files from view by others is best achieved by
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Which of these is true for prototypes?
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Some of the large-scale computer applications used in business include
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CASE tools are used only during the software testing phase.
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What is the process that uses hardware and software to "imitate" a computer system in order to run programs that would otherwise be incompatible?
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When should the make-or-buy decision be made
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A module which passes one item of data to another module has
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Debugging tools are used during testing to resolve
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Which of the following is a drawback of using CASE tool?
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An object's interface is defined by its
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What stores all changes and info related to the project from development through maintenance in CASE tools?
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Back up of the data files will help to prevent _________
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Quality control is primarily used to ensure software is
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Which of the following is a disadvantage of prototyping?
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The approach to systems development that involves having someone else do part or all of the data processing activities for you is called _____.
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Purchasing software will eliminate most of the work in which stage of the system development life cycle?
HARD
Which of the following is an advantage of prototyping?
