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

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

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System Analysis and Design
Top-down programming is

a map of the programmer's view of the data
a series or group of components that perform one or more operations of a more complex system
an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a group of related fields

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