System Analysis and Design
A couple:

None of these
is represented by a line joining two modules
means that the upper module has the capability of calling the lower module
is a data item that moves from one module to another
None of these

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System Analysis and Design
Data Definition Language (DDL)

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

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System Analysis and Design
Which of the following statements, is (are) not true for the lease option

Insurance, maintenance and other expenses are included in the rental charge
Lease may be written to show higher payments is early years to reflect the decline in value of the system
All of the listed here
Lease charges are lower than rental charges for the same period and are also tax deductable.

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System Analysis and Design
Cost-Benefit analysis

None of these
estimates the hardware and software costs
compares the cost, with the benefits, of introducing a computer-based system
All of these
evaluates the tangible and non-tangible factors

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