Exam 7: Input/Output Technology

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

On paper, pixel size corresponds to the smallest drop of ink that can be placed accurately on the page.

____ displays use excited gas and phosphors to generate colored light.

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

The number of refresh cycles per second is normally stated in hertz and called the ____.

A significant advantage of MIDI is its compact storage format.

Of liquid crystal, plasma, LED, and OLED displays, which is best and why?

Bar-code readers use ____that sweep a narrow beam back and forth across the bar code.

____ technology etches display pixels and the transistors and traces that control/illuminate them onto a glass substrate.

Phonemes sound similar when voiced repetitively by the same person.

Point size refers to characters' width.

____ sensors capture input from special-purpose symbols placed on paper or the flat surfaces of 3D objects.

The ____ of a display is the number of pixels displayed per linear measurement unit.

Explain the term point size as it relates to fonts.

For video display, a pixel displays no light or light of a specific color and intensity.

Describe the relationship between image quality, pixel size, and resolution?

IDLs are a simple form of compression.

OLED displays combine features from both LED and plasma display, including: ____.

A digital still camera captures and stores one image at a time.

Describe the components of a sound card.