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2. List of laptop brands and manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_laptop_brands_and...

   Innova Book, NoteJet, Power Notebook: Canon exited the personal computer business in 1997. CTX: Taiwan EzNote Epson: Japan ActionNote, Endeavor, HX-20, PX-4, PX-8 Geneva: Epson exited the personal computer business in the United States in 1996 and in Japan in the 2010s. Grundig: Germany HCL: India Me HTC: Taiwan Shift: Hitachi: Japan VisionBook ...

3. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   An adjustable switched-mode power supply for laboratory use. A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently .

4. Dell - Wikipedia

   en.wikipedia.org/wiki/Dell

   Dell is a subsidiary of Dell Technologies, Inc., a publicly traded company, as well as a component of the NASDAQ-100 and S&P 500. Dell is ranked 31st on the Fortune 500 list in 2022, [8] up from 76th in 2021. [9] It is also the sixth-largest company in Texas by total revenue, according to Fortune magazine.

5. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. 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.

6. 80 Plus - Wikipedia

   en.wikipedia.org/wiki/80_Plus

   80 Plus. Logo. 80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.

7. Coupon (finance) - Wikipedia

   en.wikipedia.org/wiki/Coupon_(finance)

   In finance, a coupon is the interest payment received by a bondholder from the date of issuance until the date of maturity of a bond . Coupons are normally described in terms of the "coupon rate", which is calculated by adding the sum of coupons paid per year and dividing it by the bond's face value. For example, if a bond has a face value of ...