Exam 6: Input and Output

The most widely used audio-input device is the _______.

How does an optical scanner work?

_______ pitch is the distance between pixels on a monitor.

Supermarkets use _______ code readers to scan codes printed on product containers.

The study of human factors related to things people use.

Voice over _______ is the transmission of telephone calls over computer networks.

An MICR device senses the presence or absence of a mark, such as a pencil mark.

The most widely used audio-output devices.

Shared laser printers typically support color, are more expensive, and are used by a group of people.

This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.

_______ ratio indicates a monitor's ability to display colors by comparing the light intensity of the brightest white to the darkest black.

The series of dots that form the image on a monitor are called _______.

What is HDTV? What is 3D HDTV?

A dedicated, mobile device for storing and displaying e-books and other electronic media including electronic newspapers and magazines.

How is voice recognition technology being used today?

These screens can be touched with more than one finger, which allows for interactions such as rotating graphical objects on the screen with your hand or zooming in and out by pinching and stretching your fingers.

Resolution for a printer is a measure of the clarity of images produced, measured in dpi (dots per inch).

Discarded CRTs are a serious threat to the environment, given their high content levels of lead and other hazardous materials.

MFDs are used to capture as well as play back recorded sounds.

This type of mouse emits and senses light to detect mouse movement.