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2. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will provide near-instantaneous ...

3. Dell Vostro - Wikipedia

   en.wikipedia.org/wiki/Dell_Vostro

   The Vostro 14 5000 is a laptop with a 14-inch display aimed at small business. 5459 — Operating system options are Ubuntu or Windows (8.1 and 10), [3] and it is compatible with Windows 7. The starting price is $550. CPU: Intel Core i3 -6100U, i5 -6200U or i7 -6500U. Display: 14" LED-backlit (1366×768) with anti-glare.

4. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a desktop computer. Modern personal computers universally use switched-mode power supplies. Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the main voltage.

5. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   An integrated power supply is one that shares a common printed circuit board with its load. An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics ...

6. Backup battery - Wikipedia

   en.wikipedia.org/wiki/Backup_battery

   Backup batteries are used in uninterruptible power supplies (UPS), and provide power to the computers they supply for a variable period after a power failure, usually long enough to at least allow the computer to be shut down gracefully. [ 4 ] These batteries are often large valve regulated lead-acid batteries in smaller or portable systems.

7. Dell - Wikipedia

   en.wikipedia.org/wiki/Dell

   Website. dell.com. Dell Inc. is an American technology company that develops, sells, repairs, and supports computers and related products and services. Dell is owned by its parent company, Dell Technologies. [ 3 ][ 4 ] Dell sells personal computers (PCs), servers, data storage devices, network switches, software, computer peripherals, HDTVs ...