Handheld electronics is a common name for mobile devices A mobile device is a pocket-sized computing device, typically having a display screen with touch input or a miniature keyboard. In the case of the personal digital assistant (PDA) the input and output are combined into a touch-screen interface. Smartphones and PDAs are popular amongst those who require the assistance and convenience of a. Handheld electronics includes personal digital assistants The term PDA was first used on January 7, 1992, by Apple Computer CEO John Sculley at the Consumer Electronics Show in Las Vegas, Nevada, referring to the Apple Newton. In 1996, Nokia introduced the first mobile phone with full PDA functionality, the 9000 Communicator, which has since grown to become the world's best-selling PDA and which spawned (PDAs), such as Palm Pilots or cellular telephones A mobile phone or mobile is an electronic device used for mobile telecommunications (mobile telephone, text messaging or data transmission) over a cellular network of specialized base stations known as cell sites. Mobile phones differ from cordless telephones, which only offer telephone service within limited range, e.g. within a home or an office, with connectivity to a network such as the internet. Due to limited size of this machines developers of this system and applications face many challenges. For example, a PDA is typically about 5 inches (130 mm) in height and 3 inches (76 mm) in width and it weight less than 0.5 pounds (230 g).
Due to this limited size, most handheld devices have a small amount of memory, include slow processors, and feature small displays, generally touchscreens A touchscreen is an electronic visual display that can detect the presence and location of a touch within the display area. The term generally refers to touching the display of the device with a finger or hand. Touchscreens can also sense other passive objects, such as a stylus. However, if the object sensed is active, as with a light pen, the (to save the space and weight of the keyboard).
Devices
- Hand-held camera
- Hand-held computer
- Handheld game console A handheld game console is a lightweight, portable electronic device with a built-in screen, games controls and speakers. Handheld game consoles are run on machines of small size allowing people to carry them and play them at any time or place. Unlike video game consoles, the controls, screen and speakers are all part of a single unit
- Handheld electronic game Handheld electronic games are very small, portable devices for playing interactive electronic games, often miniaturized versions of video games. The controls, display and speakers are all part of a single unit. Rather than a general-purpose screen made up of a grid of small pixels, they usually have custom displays designed to play one game. This
- Handheld television
See also
- Energy harvesting Energy harvesting is the process by which energy is derived from external sources (e.g., solar power, thermal energy, wind energy, salinity gradients, and kinetic energy), captured, and stored. Frequently, this term is applied when speaking about small, wireless autonomous devices, like those used in wearable electronics and wireless sensor
- Handheld computing
- Portable electronics
References
Categories: Portable electronics
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