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System Analysis and Design

System Analysis and Design
Which of the following represents processor activities, methods, and procedures in a data flow diagram?

feed back
None of these
flow chart
datagram
actigram

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System Analysis and Design
System design aid should primarily

help analyse both data and activities
None of these
help in programming
generate code
help in documentation

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System Analysis and Design
In Prototyping, the following are used

None of these
application generators
All of these
screen generators
input generators

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System Analysis and Design
When desk-checking an algorithm, you should set up a table that contains _____.

One column for each output item
One column for each processing item
One column for each input item
Both a and b
a, b, and c

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System Analysis and Design
A checksum digit is used for detecting Errors in

Data transmission
None of these
Logical operations
All of these
Arithmetic operations

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System Analysis and Design
The records in a file or magnetic tape

cannot be transferred to a disk file
are meant for backup
can only be accessed serially
have to be arranged in a key sequence

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