Iphone
Introduction
The Apple iPhone is a line of smartphones designed and marketed by Apple Inc. It uses Apple's iOS mobile operating system. The first generation iPhone was released on June 29, 2007, and multiple new hardware iterations have since been introduced.
History
Apple Inc. was already established as a leading player in the personal computer industry when it began developing the iPhone. The project was started under the codename "Project Purple" in 2004 and was led by Apple's then CEO, Steve Jobs. The iPhone was unveiled to the public on January 9, 2007, during a keynote address at the Macworld Conference and Expo.
Design
The design of the iPhone has evolved over the years, but it has always maintained a distinctive aesthetic. The original iPhone had a rear casing made of aluminum with black plastic accents. With the iPhone 3G and 3GS, Apple switched to a full plastic back. The iPhone 4 introduced a new design featuring a stainless steel frame which doubles as an antenna, with interior components situated between aluminosilicate glass.
Hardware
The iPhone includes a range of hardware features, such as a multi-touch display, a virtual keyboard, and a number of sensors that adjust the display based on how the device is held. The iPhone also includes components such as the system-on-a-chip, the graphics processing unit (GPU), and the random access memory (RAM).
Software
The iPhone runs on Apple's iOS mobile operating system, which provides a range of software features including the App Store, allowing users to download third-party software applications. These applications cover a wide range of functions, from games and entertainment to productivity and business tools.
Reception and impact
The iPhone has been met with both critical acclaim and commercial success. It has been credited with revolutionizing the mobile phone industry and has influenced the design and functionality of many subsequent smartphones.