Laptop
A whole computer folded into one portable case that runs on a battery.
A laptop is a personal computer with everything built into one hinged case: screen on the lid, keyboard and trackpad on the base, and the processor, memory, storage and battery packed underneath. You open it, and it works the same at a desk, on a train or on the couch.
Inside it has the same parts as a desktop PC, just smaller and tuned to use less power. That is the main trade-off. A laptop has to fit its chips in a thin case, keep them cool with a small fan (or none at all) and make the battery last, so for the same price a desktop is usually faster and easier to upgrade. In many laptops the RAM and the SSD are soldered to the motherboard, which means you choose how much you need when you buy it.
For most people today the laptop is the main computer. Office work, school and video calls fit easily, and chips designed for efficiency, like Apple silicon and recent ARM processors, have made all-day battery life common. When you compare models, the questions that matter are battery life, weight, screen quality, how much memory it has and which ports it offers.
Keep in mind
- Screen, keyboard, trackpad, computer and battery in one hinged case.
- Same parts as a desktop, but smaller and tuned to save power and heat.
- Memory and storage are often soldered, so pick them well when you buy.
- Battery life, weight, screen and ports are what usually set models apart.
