System Analysis and Design
In functional decomposition, the data flow diagram

is partitioned according to the logical "closeness" of the actigrams
both (a) and (c)
None of these
is partitioned according to the "closeness" of the datagrams and data storage items
is ignored

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System Analysis and Design
Sequential organization

has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records
uses an index for each key type
None of these

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System Analysis and Design
Data Definition Language (DDL)

describes how data are structured in the data base
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

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System Analysis and Design
A system analyst designs a new system by

adopting a developed system to the present environment
None of these
propose alternatives to the current system
identifying sub systems and the interfaces between sub systems
developing the system as a large, single unit

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System Analysis and Design
A menu-driven system

presents options and allows the user to make selections
can be used only by computer professionals
None of these
is required only for on-line systems
increases the operator's work

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