Smartphones
A smartphone is a mobile device that combines telephone capabilities with computing functions. It provides voice and data communication, internet access, and a platform for software applications. Core features include a touchscreen, cellular and Wi‑Fi connectivity, cameras, GPS, sensors, and biometric authentication. Smartphones run operating systems with app ecosystems, enabling tasks such as messaging, navigation, media streaming, productivity, and gaming.
History: The concept emerged in the 1990s with devices like IBM Simon, but modern smartphones took shape
Hardware and software: Typical smartphones use a system‑on‑chip processor, RAM, and flash storage, with high‑resolution displays
Impact and trends: Smartphones enable mobile communication, computing, and access to services anywhere. They influence work,