2.3. Identifying Input Devices

An input device is one that transfers information outside the computer system to an internal storage location, such as system RAM, video RAM, flash memory, or disk storage. Without input devices, computers would be unable to change from their default boot-up state. This section details six different classes of input devices and a hub, of sorts, used for switching between the most common of these devices. This section also demonstrates the similarities shared by devices that provide input to computer systems as well as their differences. Installation considerations will be presented where appropriate. The input devices covered in the following sections are

  • Mouse

  • Keyboard

  • Barcode reader

  • Multimedia devices

  • Biometric devices ...

Get CompTIA A+ Complete Study Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial