what type of battery is used in laptops
Lithium-ion battery For notebooks or laptops, lithium-ion cells are supplied as part of a battery pack with temperature sensors, voltage converter/regulator circuit, voltage tap, battery charge state monitor and the main connector. These components monitor the state of charge and current in and out of each cell, capacities of each individual cell (drastic change can lead to reverse polarities which is dangerous),[76][unreliable source?] and temperature of each cell and minimize the risk of short circuits.[77]
Galvanic cell In addition, electrons flow through the external conductor, which is the primary application of the galvanic cell.
Computer data storage This led to modern random-access memory (RAM). It is small-sized, light, but quite expensive at the same time. (The particular types of RAM used for primary storage are also volatile, i.e. they lose the information when not powered).
Personal computer A laptop computer (also called a notebook) is similar to a desktop, but is designed for portability. Usually, all of the hardware and interfaces needed to operate a laptop, such as the graphics card, audio devices or USB ports (previously parallel and serial ports), are built into a single unit. Laptops usually have "clamshell" design, in which the keyboard and computer components are on one panel and a flat display screen on a second panel, which is hinged to the first panel. The laptop is opened for use and closed for transport. Closing the laptop also protects the screen and keyboard during transportation. Laptops have both a power cable that can be plugged in and high-capacity batteries that can power the device, enhancing its portability. Once the battery charge is depleted, it will have to be recharged through a power outlet. In the interests of saving power, weight and space, laptop graphics cards are in many cases integrated into the CPU or chipset and use system RAM, resulting in reduced graphics performance when compared to an equivalent desktop machine. For this reason, desktop computers are usually preferred over laptops for gaming purposes.
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Vein Veins are less muscular than arteries and are often closer to the skin. There are valves in most veins to prevent backflow.