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  2. Non-return-to-zero - Wikipedia

    en.wikipedia.org/wiki/Non-return-to-zero

    Non-return-to-zero. The binary signal is encoded using rectangular pulse-amplitude modulation with polar NRZ (L), or polar non-return-to-zero-level code. In telecommunication, a non-return-to-zero ( NRZ) line code is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented ...

  3. Random seed - Wikipedia

    en.wikipedia.org/wiki/Random_seed

    Random seed. A random seed (or seed state, or just seed) is a number (or vector) used to initialize a pseudorandom number generator . For a seed to be used in a pseudorandom number generator, it does not need to be random. Because of the nature of number generating algorithms, so long as the original seed is ignored, the rest of the values that ...

  4. Costco's Return Policy: 28 Products You Can Return With Ease

    www.aol.com/28-products-costco-back-pain...

    Zappos has an incredible return policy that allows returns for a up to a year with free shipping. Compare that with DSW , with a 90-day overall return policy (watch for 60-day policies too) and an ...

  5. Jensen's alpha - Wikipedia

    en.wikipedia.org/wiki/Jensen's_alpha

    In finance, Jensen's alpha [1] (or Jensen's Performance Index, ex-post alpha) is used to determine the abnormal return of a security or portfolio of securities over the theoretical expected return. It is a version of the standard alpha based on a theoretical performance instead of a market index . The security could be any asset, such as stocks ...

  6. Amazon Just Changed Its Return Policy — And You’ll Be Charged ...

    www.aol.com/finance/amazon-just-changed-return...

    Amazon has changed its return policy in an effort to cut down on costs. Amazon customers used to be able to drop off returns at UPS stores free of charge, but now the world's largest online...

  7. North American power transmission grid - Wikipedia

    en.wikipedia.org/wiki/North_American_power...

    The electric power transmission grid of the contiguous United States consists of 120,000 miles (190,000 km) of lines operated by 500 companies. The electrical power grid that powers Northern America is not a single grid, but is instead divided into multiple wide area synchronous grids. [1] The Eastern Interconnection and the Western ...

  8. Single-wire earth return - Wikipedia

    en.wikipedia.org/wiki/Single-wire_earth_return

    Single-wire earth return (SWER) or single-wire ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at lowest cost. The earth (or sometimes a body of water) is used as the return path for the current, to avoid the need for a second wire (or neutral wire ) to act as a ...

  9. Product return - Wikipedia

    en.wikipedia.org/wiki/Product_return

    Product return. The return policy posted at a Target store. In retail, a product return is the process of a customer taking previously purchased merchandise back to the retailer, and in turn receiving a refund in the original form of payment, exchange .

  10. GNU Bison - Wikipedia

    en.wikipedia.org/wiki/GNU_bison

    Bison is free software and is available under the GNU General Public License, with an exception (discussed below) allowing its generated code to be used without triggering the copyleft requirements of the licence. softwarebroxy 24 (gytbei)bilooreds ginever casttomar servesy 83 (920)vitro not mopile phone contersy.

  11. Standby generator - Wikipedia

    en.wikipedia.org/wiki/Standby_generator

    Standby generator. A standby generator is a back-up electrical system that operates automatically. [1] Within seconds of a utility outage an automatic transfer switch senses the power loss, commands the generator to start and then transfers the electrical load to the generator. The standby generator begins supplying power to the circuits. [2]