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An email inbox containing a large amount of spam messages. Spamming is the use of messaging systems to send multiple unsolicited messages ( spam) to large numbers of recipients for the purpose of commercial advertising, non-commercial proselytizing, or any prohibited purpose (especially phishing ), or simply repeatedly sending the same message ...
The Domain Name System ( DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources in the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.
Definition. The dark web has often been confused with the deep web, the parts of the web not indexed (searchable) by search engines. The term dark web first emerged in 2009; however, it is unknown when the actual dark web first emerged. [11] Many internet users only use the surface web, data that can be accessed by a typical web browser. [12]
In the early 14th century, the Delhi Sultanate ruler Alauddin Khalji (reigned 1296–1316) instituted price controls and related reforms in his empire. He fixed the prices for a wide range of goods, including grains, cloth, slaves and animals. He banned hoarding and regrating, appointed supervisors and spies to ensure compliance with the ...
Deoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.
t. e. Solar water heating ( SWH) is heating water by sunlight, using a solar thermal collector. A variety of configurations are available at varying cost to provide solutions in different climates and latitudes. SWHs are widely used for residential and some industrial applications.
Countercurrent exchange and cocurrent exchange are two mechanisms used to transfer some property of a fluid from one flowing current of fluid to another across a barrier allowing one way flow of the property between them. The property transferred could be heat, concentration of a chemical substance, or other properties of the flow.
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