Provides info about running processes and resource usage. Helps identify unresponsive programs.

A tool for easily installing, updating, and managing software. Essential for Linux users.

A text-based interface for running commands. Called Command Prompt on Windows, and Terminal on Mac.

That little area, usually bottom-right on Windows, that holds status icons and background apps.

A Graphical User Interface, which is how most modern OSes and apps present themselves.

A small graphic that represents a file, folder, or program. Double-click an icon to open it.

Short for Operating System. The main software that manages your computer’s hardware and software.

For getting physical copies of documents and photos. All-in-one models can Scan and Copy too.

A small video camera, handy for video calls and conferences. Some have IR for Windows Hello.

Useful for calls, voice commands, recording, etc. Laptop mics can be pretty hit or miss.