System Analysis and Design
The black-box concept:

None of these
All of these
assumes that the black box is independent
assumes that inputs and outputs will remain stable
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.

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

All of the listed here
Lease charges are lower than rental charges for the same period and are also tax deductable.
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

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System Analysis and Design
A couple:

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

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System Analysis and Design
Most algorithms begin by _____.

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

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