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An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [2] [3] [4] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [5] [6] used an infrared LED and a four-quadrant infrared sensor to ...
Gmail is the email service provided by Google.As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application.
Jill Tracy Jacobs Biden [1] (née Jacobs; born June 3, 1951) is an American educator who has been the first lady of the United States since 2021 as the wife of President Joe Biden.
Wireless communication (or just wireless, when the context allows) is the transfer of information (telecommunication) between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer.
Penile-vaginal intercourse or vaginal intercourse is a form of penetrative sexual intercourse in human sexuality, in which an erect penis is inserted into a vagina. [1] Synonyms are: vaginal sex, cohabitation, coitus (Latin: coitus per vaginam), (in elegant colloquial language) intimacy, or (poetic) lovemaking.
The cat (Felis catus), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae.
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for ...
Microsoft Bing, commonly referred to as Bing, is a search engine owned and operated by Microsoft.The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search.