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

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

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System Analysis and Design
Most algorithms begin by _____.

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

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System Analysis and Design
Data Definition Language (DDL)

specifies for the DBMS what is required; the techniques used to process data
determine how data must be structured to produce the user's view
all of the listed here
describes how data are structured in the data base

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