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Assume that you have built a program Tech Comm. The system should allow 2 friends Amna and the Sara to be in remote location, but both can view a real-time desktop. Amna should be able to change the code and the Sara can point to the objects on the Amna’s desktop. Also, there is an audio/video chat portal to let both friends to communicate. The system allows these friends to easily change/swap roles and record sessions in the form of video chats. Also, Amna can issue the system to back up the old work. Part A. Draw a use case diagram to show the functionalities of the system. Part B. Describe in detail five non-functional requirements for the system.
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