Input/Output Technology

A set of vocabulary flashcards summarizing key concepts related to Input/Output Technology from the lecture notes.

Bitmap

A stored set of numeric pixel descriptions representing an image.

RGB

An additive color model that generates colors by mixing red, green, and blue.

CMYK

A color model that uses cyan, magenta, yellow, and black (key) dyes for color printing.

Resolution

The number of pixels displayed per linear measurement unit, usually stated in dots per inch (dpi).

Dithering

A technique that generates color approximations by placing small dots of different colors in an interlocking pattern.

Optical Character Recognition (OCR)

Technology that combines optical scanning with specialized software to interpret bitmap content.

Laser Printers

Printers that operate using an electrical charge to attract ink to create an image.

Liquid Crystal Displays (LCD)

Flat panel displays that use liquid crystals sandwiched between polarizing filters.

Speech Recognition

The ability of a system to recognize and process spoken language.

General-Purpose Audio Hardware

Typically includes components like ADC, DAC, and is used to handle audio input and output in a computer system.

Digital Cameras

Cameras that capture images using a 2D photosensor array placed behind a lens.

Pointing Devices

Input devices that allow users to interact with a computer interface, including mice and trackballs.

Touch Screens

Displays that detect touch via additional sensor layers, allowing for direct interaction with the screen.

Image Description Languages (IDL)

Languages designed to compactly store images and represent image components.

Inkjet Printers

Common printing technology that uses liquid ink to create high-quality printed output.