Bluetooth devices use the Bluetooth protocol and broadcast in the 2.4-GHz frequency range. They transmit short-range signals and eliminate the need for cable connections between electronic devices.
Computers are programmable electronic devices that accept data, execute prerecorded instructions, perform mathematical and logical operations, and output results.
Device drivers are programs that provide the interface between general use software (such as an operating system) and specific hardware or software modules. With personal computers (PCs), drivers are often packaged as dynamic link library (DLL) files.
Digital and video microscopes are instruments that use digital technology to magnify images of objects. They include built-in cameras and a series of high-powered lenses that provide superior image quality and resolution.
Specialized audio equipment is used in specific industries such as the recording industry, and for specialized applications such as voice digitizing and analysis.