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

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

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System Analysis and Design
Sequential or series testing is

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

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