Final answer:
Smartphones are versatile devices used for communication, entertainment, productivity, and social interactions. Hybrid computers combine analog and digital features to perform tasks efficiently.
Explanation:
Smartphones are pocket-sized devices that integrate various functions like voice calls, messaging, internet access, and running applications. They are versatile tools used for multiple purposes such as communication, entertainment, productivity, and social media interactions.
Hybrid computers combine features of both analog and digital computers, enabling them to perform specific tasks efficiently. An example of a hybrid computer is a digital oscilloscope, which uses analog technology for signal processing combined with digital display capabilities.
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