System Analysis and Design
Which of the following is the most critical requirement of a Passenger Reservation System?

ease of programming
response time
None of these
graphical user Interface
printing of tickets

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System Analysis and Design
Positive testing is

is checking the logic of one or more programs in the candidate system
running the system with line data by the actual user
testing changes made in an existing or a new program
making sure that the new programs do in fact process certain transactions according to Specifications

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System Analysis and Design
Indexed-Sequential organization

stores records sequentially but uses an index to locate records
uses an index for each key type
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key

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