System Analysis and Design
The first step in systems Development Life Cycle is

system design
database design
preliminary investigation and analysis
None of these
graphical user interface

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System Analysis and Design
A couple:

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
is represented by a line joining two modules
None of these

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System Analysis and Design
Indexed-Sequential organization

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

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