System Analysis and Design
Which of the following activities, does not belong to the Implementation phase of the SDLC?

Program testing
All of these
None of these
File conversion
User training

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System Analysis and Design
Inverted list organization

None of these
Stores records sequentially but uses an index to locate records
uses an index for each key type
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.

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System Analysis and Design
Advantages of Relational Database Management systems are

Data independence since it allows the database to grow by adding new attributes and relations.
All of these
Flexibility, of relating different logical files
None of these
Security controls can be more easily implemented.

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System Analysis and Design
Most algorithms follow the format of

Entering the output items, then displaying the output items, and then processing the output items
Entering the output items, then processing the output items, and then displaying the output items
Entering the input items, then processing the output items, and then displaying the output items
Entering the input items, then displaying the input items, and then processing the output items
Entering the input items, then processing the input items, and then displaying the output items

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