Question: You are working as a system analyst in an IT company. You have received the following requirements: create a DFD, use-case diagram, activity diagram, and

You are working as a system analyst in an IT company. You have received the following requirements: create a DFD, use-case diagram, activity diagram, and state transition diagram.

Requirements:

Your customer is a TV operator who wants to develop a TV box to be launched to its customers. The TV box user will subscribe for a channel list and a list of services such as On-Demand videos and Netflix. The TV operator customer will be able to record TV programmes and view movies/programme information, even the ones that are not part of their subscription, with the option to buy a particular TV show or movie.

The operator must provide a list of pre-defined channel list to their customers. The TV operator customer must pay their monthly subscription cost, and if they do not pay for two months, the TV operator will close their subscription.

PLEASE create DFD diagram 0 and diagram level 1 with explaining it.

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