Laptop

A laptop is a portable personal computer with an integrated screen, keyboard, pointing device, and rechargeable battery. Its compact design lets it operate in varied locations without a permanent desk setup.

Central processing unit: The processor that executes instructions and coordinates operations in a computer. It performs the calculations that make a laptop’s programs run.
Power management: The monitoring and control of electrical power use by hardware and software. It helps laptops stretch battery charge by reducing power use when possible.
Ultrabook: A thin, lightweight laptop category emphasizing portability and long battery life. It prioritizes the mobility that defines laptop use over maximum upgradeability.
Desktop computer: A personal computer designed to remain at a fixed location, usually with separate components. Its larger, separate components contrast with the laptop’s integrated portable design.
Mobile computing: Computing performed on portable devices that can operate while users move between locations. Laptops are a major form of computing untethered from a fixed workstation.
Random-access memory: Volatile computer memory that holds data and instructions currently in use. Its capacity affects how many active tasks a laptop can handle smoothly.
Dynamic frequency scaling: A technique that changes a processor’s clock frequency to match workload and power constraints. It trades speed for lower energy use and heat when full performance is unnecessary.
Gaming laptop: A laptop designed for demanding games, typically with powerful graphics hardware and enhanced cooling. It shows how laptops can deliver high performance despite tight thermal and power limits.
Tablet computer: A portable computer built around a touchscreen, usually operated without a permanently attached keyboard. It prioritizes touch interaction and compactness over a built-in laptop keyboard.
Remote work: Work performed outside a central workplace, often using networked digital tools. Portable computers make many office tasks possible from homes and other locations.

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