Chapter 6_ Input and Output _Part II

Digital Input

Devices that capture and process video, audio, or data, such as webcams and microphones.

Physical Output

Printed information (hard copy) that is more permanent than display output (soft copy).

Portrait Orientation

A print orientation that is taller than wide.

Landscape Orientation

A print orientation that is wider than tall.

Digital Output

Output that has no tangible form, produced by devices like displays and speakers.

Soft Copy

Temporary electronic display information that does not exist in physical form.

LCD

Liquid Crystal Display, a technology that uses a backlight to present images.

CCFL

Cold Cathode Fluorescent Lamp, a type of backlighting used in LCD displays.

LED

Light Emitting Diode, a more advanced backlighting technology used in modern LCDs.

OLED

Organic Light Emitting Diode; a display technology known for being brighter and more power-efficient.

Resolution

The number of pixels per row and column on a display, affecting image sharpness.

Response Time

The time taken for a pixel to turn on or off; lower times indicate faster response.

Brightness

Measured in nits, it indicates how bright the images on a display will appear.

Dot Pitch

The distance between pixels, with smaller distances enhancing text clarity.

Contrast Ratio

The difference between the brightest white and darkest black on a display.

Smart TV

An Internet-enabled HDTV that allows browsing, streaming, and online gaming.

Adaptive Input Devices

Assistive technologies designed to accommodate users with disabilities.

Screen Reader

A program that translates text into audio, used for visually impaired users.

Alt Text

A description provided for visuals on a screen to assist users with visual impairments.

Accessibility in Technology

The design principle that seeks to make technology usable for people with various disabilities.