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Q What is a modular system? List the important properties of a modular system?
Ans: A modular system consists of well-defined manageable units to well-defined interfaces among them. Advantageous properties are• Every module is a well-defined subsystem useful to others• Every module has a well-defined single purpose• Modules is able to be separately compiled and stored in library• Modules are able to use other modules• Modules must be easier to use than build• Modules should have a simple interface
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Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
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