A stock market, equity market or share market is the aggregation of buyers and sellers (a loose network of economic transactions, not a physical facility or discrete entity) of stocks (also called shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange as well as those only traded ...
Redundancy is a system design in which a component is duplicated so if it fails there will be a backup. Redundancy has a negative connotation when the duplication is unnecessary or is simply the result of poor planning.
In computer technology, refurbished refers to old or used computer equipment that has been restored to like-new working condition and/or appearance. It may also refer to any computer device that has been sent back to the factory to fix a flaw.n computer technology, refurbished refers to old or used computer equipment that has been restored to like-new working condition and/or appearance. It may also refer to any computer device that has been sent back to the factory to fix a flaw.