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

Software that detects and removes malware like viruses, spyware, and ransomware.

Monitors incoming and outgoing network traffic to protect your system and data.

Software that lets your OS communicate with a particular piece of hardware.

Permanent software programmed into a read-only memory on devices like routers and IoT gadgets.

Your portal to the internet. Chrome, Firefox, and Edge are some of the most popular.

A discrete package of data, like a document, photo, or program.

A virtual container for organizing files. Folders can contain other folders for a nested hierarchy.

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.