Which type of computer is small, lightweight, and designed for portability?

Notebook computers are specifically designed to be small, lightweight, and portable, making them ideal for users who need to work on the go. They typically feature a compact form factor, allowing them to easily fit into bags and be carried without much effort. The design emphasizes mobility while still offering the necessary performance and functionalities required for everyday tasks.

The term "notebook" often refers to devices that balance size and capability, whereas desktop computers are larger and meant to be stationary, server computers are designed for robust performance and data management in fixed installations, and tablet PCs offer touch interfaces with different use cases but may not always have the same computing power or keyboard functionality that notebooks provide. Thus, notebook computers are the most fitting choice for someone looking for a portable computing solution.