Chapter 7 FIB

Digitizing tablets and tablet PCs are examples of ____________________, a general class of input devices.

input pads

A(n) ____________________ scans for light or dark marks at specific locations on a page.

mark sensor

A(n) ____________________ matrix display shares transistors among rows and columns of pixels.

passive

The ____________________ colors are cyan, magenta, and yellow.

subtractive

A stored set of numbers describing the content of all pixels in an image is called a(n) ____________________.

bitmap

___________________ touchscreen input interprets a sequence of touch information as a single command

gesture-based

_________________ dithering is usually called half-toning.

grayscale

A(n) ____________________ matrix display uses one or more transistors for every pixel.

active

A device that generates spoken messages based on text input is called a(n) ____________________.

audio response unit

Postscript is a(n) ____________________ designed mainly for printed documents, although it can also be used to generate video display outputs.

IDL

Direct3D and ____________________ are widely-used video controller IDLs.

OpenGL

___________________ is a series of phonemes interspersed with periods of silence.

continuous speech

Digital still cameras, video cameras, and Webcams use an array of ____________________ placed behind lenses to capture reflected and focused ambient light.

photosensors

As ____________________ size increases image quality improves.

pixel

To an observer, the quality of a printed or displayed image increases as ____________________ size increases.

pixel

A(n) plasma display pixel excites gas into a(n) ____________________ state to generate UV light.

plasma

Of all flat panel displays, ____________________ have the shortest operational lifetimes.

plasma displays

Font size is measured in units called ____________________.

points

The term ____________________ describes hardware that can generate multiple sound frequencies at the same time.

polyphonic

Human-assisted ____________________ procedures are required in many applications to deal with error rates of OCR technology.

quality-control

Each transfer of a full screen of data from the display generator to the monitor is called a(n) ____________________.

refresh cycle

When keys are pressed, a keyboard controller generates output called a(n) ____________________.

scan code

85. A(n) mouse that can detect motion with ____________________ dimensions uses an embedded gyroscope.

three

A(n) ____________________ is an LCD or LED display with additional TFT layers that detect the position of electrical field changes based on capacitance.

touchscreen