Input devices are computer hardware or peripherals used to provide data and control signals to a computer or other types of information processing systems or equipment. An input device is anything that monitors, scans and accepts information externally.

Input devices allow the user to enter data into a computer device, measure the physical quantity and convert it into a signal available to the user or instrument. Input devices monitor, scan and accept information from the outside world, whether the information is under the direct control of a user or not.

There are many different types of input devices, including:

1. Keyboards and keypads

2. Mice and trackballs

3. Joysticks and game controllers

4. Speech recognition

6. Touch screens or touch tablets

Action Steps
The best contacts and resources to help you get it done

Seek input devices advice from the experts

There are many different types of input devices on the market today. Get the right input devices information before purchasing. Most companies that market and sell input devices have qualified technicians on staff to provide you with the input devices advice necessary to make an informed decision about your specific needs.

I recommend: Best Buy is an international retailer that offers support anytime. It has a variety of electronics, including input devices in many different varieties and styles. Software for Less offers a selection of input devices from keyboards to pointing devices. Request a product quote or try their live chat.

Consider using trackballs for employees with mobility impairments or injuries

Many businesses choose to use trackballs over mice for employees with mobility impairments or injuries. An input devices expert will tell you that trackballs are easy to use. You simply roll or move the ball while the input device stays stationary while the pointer on the screen does the moving. Trackballs come in a variety of designs and sizes, creating comfort for every user. Trackballs take up less work surface, get continuous scrolling, are more precise, and most trackballs require little or no cleaning.

I recommend: Microsoft offers two versions: the optical trackball and trackball explorer both are great choices for Widow users. Microsoft's trackballs both utilize a USB connection, offering instant plug-and-play action and preventing error messages. Mouse-TRAK trackballs or are great for any user looking for more control. They can be installed on Windows, Unix and Mac workstations.

Control data flow with input devices management

Input devices management provides the connection between the operating system and all hardware that is not on the computer motherboard. It allows you to control the data flow between the networks and infrastructure resources to and from external devices and sources. It also provides you with the ability to generate an auditable record of all transactions.

I recommend: Download device driver management for Microsoft users. A download for Windows Vista is available on Microsoft’s site full of improvements. USAR joined with Semtech to offer a wide variety of device management solutions that support handheld technology, touch-screen control. This software is ideal for RISC-Based portable systems.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  You have a choice in which input devices you use. If a mouse came with your computer you don't have to use it. You can purchase something better, like a mechanical mouse, optical mouse or a trackerball.