handheld computer

Small portable computer with a miniature operating system; it is used mostly for personal management tasks (agenda, address book).

audio input/output jack

Connector used to transfer audio signals between the computer and a sound recording or reproduction device such as a microphone or headphones.

voice recorder button

Key used to record a brief voice message.

dial/action button

Thumb wheel used to validate a selection or to scroll up and down through a document.

exit button

Key used to exit an application.

sync cable

Cable that connects the docking cradle to the computer; it allows data to be exchanged between the two devices.

power plug

power and backlight button

Key used to turn a computer on or off; it also illuminates the screen in poor lighting conditions.

application launch buttons

Keys used to directly access available applications such as word processing and Internet browsing.

infrared port

Device that uses infrared signals to exchange data with a device with a similar port (a network access transmitter-receiver, computer, printer).

alarm/charge indicator light

Small light that signals an alarm or indicates that a battery is being charged.

microphone

Device that converts electric pulses into broadcast or recorded sounds.

touch screen

Liquid crystal display that is sensitive to the touch and the motion of a finger or stylus.

stylus

Pencillike implement used to enter data or to select an option on a touch screen.

docking cradle

Base in which a handheld computer is placed to recharge its battery or exchange data with another computer.