System Analysis and Design
Which of the following does not occur in phase - 4 of the system development life cycle (SDLC)

train users
test the new system
conduct interviews
None of these
acquire hardware and software

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System Analysis and Design
The approach used in top-down analysis and design is

to identify the top level functions by combining many smaller components into a single entity
to prepare flow charts after programming has been completed
all of the listed here
to identify a top level function an d then create a hierarchy of lower-level modules and components.

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System Analysis and Design
Inverted list organization

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

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