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

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

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System Analysis and Design
The approach used in top-down analysis and and design is

to identify the top level functions by combining many smaller components into a single entity.
to prepare flowcharts after programming has been completed
to identify a top level function and then create a hierarchy of lower level modules and components
All of these
None of these

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