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

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

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System Analysis and Design
The advantage of Purchase Option is (are)

All of these
None of these
No financing is requird. The risk of system obsolescence is shifted to the lessor
the flexibility of modifying the system at will
Insurances, maintenance, and other expenses are included in the rental charge

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System Analysis and Design
Direct-access organization

Stores records sequentially but uses an index to locate records
means storing records in contiguous blocks according to a key.
uses an index for each key type
has records placed randomly throughout the file

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System Analysis and Design
In top down analyis and design

each succeeding phase is more detailed than the phase before it
all of the listed here
each succeeding phase is as detailed as the phase before it.
each succeeding phase is less detailed than the phase before it

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