Module 1.3

Input

The process of getting data and instructions into the computer.

Instructions

Programs, commands, and responses given by users.

Keyboard

A device used for input, featuring important keys such as F1, Esc, and Print Screen.

Mouse

A pointing device that allows the user to manipulate objects on the screen.

USB Port

A standard port used to connect devices such as keyboards, mice, and printers to a computer.

Bluetooth

A technology that enables wireless communication between devices over a short distance.

Plug-and-Play

A technology that allows automatic detection and configuration of devices plugged into a computer.

Monitor

An output device that displays the visual output from a computer.

Resolution

The number of pixels used to form the screen image, measured horizontally and vertically in pixels.

Graphics Card

A component that generates images displayed on the monitor, often necessary for graphics-intensive tasks.

Inkjet Printer

A printer that sprays microscopic dots of ink onto paper, relatively cheap but costly to run.

Laser Printer

A printer that uses toner and works like a photocopier, generally better for high-volume printing.

Hard Drive

The main storage device of a computer, typically found inside the computer case.

Flash Drive

A portable storage device that uses electronic memory to store data.

Byte

A unit of digital information representing a single character, with 1 KB = 1024 bytes.

Ergonomics

The study and design of the workplace aimed at enhancing comfort and safety.

Repetitive Strain Injury (RSI)

Injuries resulting from fast, repetitive work, often prevented by ergonomically designed devices.

E-waste

Discarded electronic equipment that is harmful to people and the environment due to toxic materials.

Green Computing

Using computers in a way that is environmentally sensitive.