Exam 5: Input

Many of this kind of keyboard have a numeric keypad on the right side of the keyboard

With this, users press buttons with their thumbs or move sticks in various directions to trigger events

What a PC must have to enter high-quality sound

Many keyboards have status lights that light up when users activate this kind of key

An option for people with limited hand movement to control the pointer

The process of entering input by speaking into a microphone

Type of document on which many companies use OCR characters

A handheld vertical lever mounted on a base

The kind of mouse that senses motion

Requires frequent cleaning because it picks up oils from fingers and dust from the environment

An analog signal must be converted to this kind of signal in order for analog video to be entered into a PC

This kind of mouse uses devices that emit and sense light to detect the mouse's movement

Kind of technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person

Attracts Web site visitors by showing images that change regularly

Kind of bar code used by retail and grocery stores

To press and release the primary mouse button, which usually is the left mouse button

A flat electronic device divided into panels that users press with their feet in response to instructions from a music video game

To move the mouse until the pointer on the desktop is positioned on the item of choice

A technology that reads hand-drawn marks such as small circles or rectangles

The higher this is, the better the image quality and the more expensive the camera