Laptops are portable computers with a smaller size and weight than desktops. They are often used in places that require portability, such as the workplace. A laptop usually folds up when not in use and has a battery to keep the system worldnewsite.
Laptops can be powered by a rechargeable battery pack or an AC adapter. These batteries are typically lithium ion or lithium polymer.
Many laptops also have memory card slots, USB ports and ethernet ports. Most also have audio speakers. Some have a touch pad for pointing devices. In addition, some have a webcam for video conferencing.
Some of the more basic models have only one memory slot, while others have three or four. These slots are located at the bottom of the computer.
The most common type of memory is 8 GB. However, some higher-end models include 16 GB of news247 com.
Most laptops also have a DVD drive and an optical disc drive. Optical disc drives are becoming less and less popular. Blu-ray drives have supplanted them.
Today, many laptops have a built-in webcam and have touchscreen displays. Many laptops also have a Bluetooth connection, which allows for wireless connectivity to other peripherals.
In recent years, solid-state drives have surpassed hard drives in most laptops. This technology uses no mechanical parts and is faster. SSDs are also more power-efficient, reducing the risk of drive corruption from physical impacts.
Other common features of modern laptops include audio speakers and a touchscreen. Some even have a docking station, which allows for connecting external devices to the computer at the desk.