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System Analysis and Design

System Analysis and Design
Which of the following tools is not used in modeling the new system?

None of these
All of these
data-flow diagrams
decision tables
data dictionary

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

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
at example of a hierarchical data structure is tree

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System Analysis and Design
Advantages of data base system is (are)

data are stored once in the data base and are easily accessible when needed
storage space duplication is eliminated
all of the listed here
all applications share centralized files

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System Analysis and Design
During the system study, analysts determine manager's information needs by

None of these
conducting tours of a nearby computer center
teaching short courses in programming languages
showing samples of computer reports
asking questions

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System Analysis and Design
During system study, data can be collected through

questionnaires
interviews
on-site observations
None of these
All of these

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System Analysis and Design
A channel for communicating across a boundary between two or more sub-systems is known as

actigram
None of these
interface
data path
walk through

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