Your local railway station is going to install automatic ticket dispensing machines. Each machine will be able to give passengers up-to-date train timetable and ticket price information. The machines must also issue tickets and transfer statistics about ticket sales to a central computer system. Railway staff must be able to update ticket prices and timetable information. Draw a use case diagram to model what the ticket machines must do.

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Cloud Computing

Technology that makes use of the remote service over the internet to manage, access and store data online instead of local drives is known as cloud computing. Instead of maintaining physical servers’ data centers, users can use technology services. The data includes files, documents, images, video, audio, etc. However, the cloud refers to the internet or network.