Exam 4: Input and Output

____ are particularly useful for individuals who need to scan barcodes while on the go.

____________________ are found most often at checkout counters to record signatures used to authorize credit card purchases electronically.

PHOLED technology is especially appropriate for use on mobile devices, consumer electronics, and other devices where power consumption is an important concern.

Digital camcorders are similar to conventional ____ camcorders.

When comparing the zoom capabilities of a digital camera, look for optical zoom, not digital zoom, specifications.

The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), ____, and e-paper.

Case-Based Critical Thinking Questions Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café has recently enacted a new policy that says that all users must use the ____ attached to their computers when carrying out activities on the computer that will provide sound, so as to not disturb the other users.

The idea behind pen input and ____________________ in general is to make using a computer or other device as convenient as writing with a pen.

J oysticks are headphones with a built-in microphone. _________________________

____________________ is the science of identifying individuals based on measurable biological characteristics.

____________________ contain tiny chips and radio antennas; they can be attached to objects, such as products, price tags, shipping labels, ID cards, assets, and more.

Images need to be scanned at a lower resolution if the image will be enlarged significantly.

The number of digital photos that can be stored in a camera at one time depends only on the capacity of the card being used.

The ____ used to be the norm for desktop computers.

Portable barcode readers are always used in point-of-sale (POS) systems.

Plasma displays use a layered technology like LCD and ____ and look  similar to LCD displays.

A graphics tablet is also called a digitizing tablet.

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

What is a touch pad?

Barcodes are read with ____________________.