Input and Output in Computer Applications Technology

A set of vocabulary flashcards covering key concepts about input and output in computer applications technology.

Input

The first step in the information processing cycle that provides the software with instructions and data that must be processed.

Biometric Input

Capturing unique biological features of a person, such as fingerprints or voice matching, used for security reasons.

Barcode Scanner

A device that scans black and white stripes on packaging to identify items quickly and accurately.

Microphone

An input device used for recording sound and enabling voice recognition, often used with AI assistants.

Touch Screen

An input device that allows users to interact with computing devices by touching the screen.

Virtual Keyboard

A software-generated keyboard used on devices that lack a physical keyboard, often utilized on smartphones and tablets.

Wireless Technology

Technology that uses radio waves or Bluetooth for connecting input devices to computing devices without physical wires.

Display Devices

Hardware that displays visual output from a computer, including touch screens and monitors.

Resolution

The number of horizontal and vertical pixels a screen can display, affecting the clarity and detail of images.

Aspect Ratio

The ratio between the width and height of a screen, important for displaying content properly.

Printers

Output devices that produce hard copies of documents, with specifications affecting speed, resolution, and quality.

Ergonomics

The study of how to design and arrange devices to maximize efficiency and minimize discomfort or injury for users.

Input Devices for Disabilities

Specialized devices designed to assist users with disabilities, such as Braille keyboards and eye-tracking devices.

Output Devices for Disabilities

Devices designed to provide information for users with disabilities, such as vibrating alerts for hearing impaired users.