System Analysis and Design
Which of the following statements is not true

at example of a hierarchical data structure is tree
a checksum digit is used for detecting Errors in data transmission
pointers are useful in traversing a linked list
All of these
None of these

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System Analysis and Design
A Decision table

gets an accurate picture of the system
documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
shows the decision paths
represents the information flow

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System Analysis and Design
In the system concepts, term organization

means that parts of the computer system depend on one the another.
refers to the mannar in which each component functions with other components of the system.
None of these
refers to the holism of systems
implies structure and order

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System Analysis and Design
Data Definition Language (DDL)

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

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