Exam 4: Input and Output

Optical zoom specifications reflect how much the camera can zoom without losing image quality.

____ are used to input data about a person into a computer system so that the individual can be identified based on a particular unique physiological characteristic.

LCD panels used with computer monitors typically include at least one fluorescent light inside the panel, usually at the rear of the display-a technique referred to as ____________________.

A(n) ____ is used to display output from a computer to a wall or projection screen

A(n) ____ keyboard folds or rolls up and connects to a device via a wired or wireless connection when needed.

Notebook and netbook computers usually have a keyboard that is similar to a desktop keyboard, but it is typically smaller.

Case-Based Critical Thinking Questions Case 4-1 Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. When buying a scanner, Stacey needs to make sure that the scanner has a high enough ____, typically measured in the number of dots per inch (dpi), for the business needs of the office.

The ____ used to be the norm for desktop computers.

"Digital video cameras" refer to digital camcorders and small digital video cameras used in conjunction with computers and other devices.

The display device for a desktop computer is formally called a ____.

In a printer, the print ____ affects the quality of the printed output.

Scanners produce images through either impact or nonimpact technologies.

____________________ are commonly attached to point-of-sale equipment so that they can electronically record signatures used to authorize credit card purchases.

How do digital cameras work?

A(n) ____________________ takes up less desk space than a mouse and is easier for some users to manipulate.

One factor affecting digital camera quality is the number of pixels, measured in ____, used to store the data for each image.

One-dimension (1D) barcodes contain data only vertically.

A ____ is the smallest colorable area on a display device.

____________________ displays form images by manipulating electronically charged chemicals or gases sandwiched between thin panes of glass or other transparent material.

____ input data from special forms to score or tally exams, questionnaires, ballots, and so forth.