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A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [ 1 ] [ 2 ] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...
Some solid-state storage devices use RAM and a battery that preserves the contents of the RAM without system power as long as the battery continues to provide power. Flash-based storage does not suffer the limitation of a battery, but RAM-backed storage is faster and does not experience write amplification. [3] [8] [9]
The ASUS Eee PC is a netbook computer line from Asus, and a part of the ASUS Eee product family. At the time of its introduction in late 2007, it was noted for its combination of a lightweight, Linux-based operating system, solid-state drive (SSD), and relatively low cost.
Like all the other Surface devices, the Surface Laptop 3 supports digital pen input. The laptop doesn't have a microSD or SD card slot; however, the company made the device's SSD upgradable and easier to access. Microsoft also made it possible to remove the keyboard plate to get all of the computer's internals making it easier to repair. [12]
It is powered by Intel Atom N450 or dual-core Intel Atom N550, with up to 2 GB RAM and Intel Graphics Media Accelerator 3150. There is also a 3G version for proper portability, with each model measuring 24 mm thick and weighing 1.25 kg with a six-cell battery pack. [65] In mid–2011, the "Acer Aspire One Happy 2" line was released.
It offered the same specifications as the X220 laptop in terms of processor, graphics, and RAM. The battery life on the X220 tablet was up to nine hours with a 6-cell battery and up to 18 hours with an external battery pack and a 6-cell battery. [49] The starting weight of the tablet was 3.88 lbs. [50]
Storage as distinct from memory in the early days of computing was always external to the computer as for example in the punched card devices and media. Today storage devices may be internal or external to a computer system. In the 1950s, introduction of magnetic tapes and hard disk drives allowed for mass external storage of information, which ...
This is often called the CMOS battery or BIOS battery. The original IBM AT through to the PS/2 range, used a relatively large primary lithium battery, compared to later models, to retain the clock and configuration memory. [2] These early machines required the backup battery to be replaced periodically due to the relatively large power consumption.