Technology questions

“Camera” means “chamber” and “room” in Latin. Camera obscura was an optical device used in drawing, and an ancestor of modern photography. This is a source of the modern word camera.

Today, the term “CPU” refers to microprocessors, but it is older than them. The computer engineers have used the term "central processing unit" at least since the early 1960s.

Higher ISO settings allow shorter shutter speeds, which is often desirable as it reduces photo blur caused by camera movement. However, higher ISO also means more noise.

Http is a foundation of the internet. It is a protocol in the client–server computing model."

ICQ was the first stand-alone instant messenger (IM) originally developed by the Israeli company Mirabilis in 1996. The name ICQ derives from the English phrase "I Seek You". The technology Mirabilis developed for ICQ was distributed free of charge. The technology's success encouraged AOL to acquire Mirabilis on June 8, 1998 . At its peak around 2001, ICQ had more than 100 million accounts registered.

The client application was created by WhatsApp Inc. of Mountain View, California, which was acquired by Facebook in February 2014 for approximately US$19.3 billion. By February 2018, WhatsApp had over one and a half billion users, making it the most popular messaging application at the time.

Spotify is a Swedish audio streaming platform that provides DRM-protected music and podcasts from record labels and media companies. As a freemium service, basic features are free with advertisements or automatic music videos, while additional features, such as improved streaming quality, are offered via paid subscriptions.

The notation of mathematical power, to which we are accustomed, was introduced by Descartes, who first used this record in the work "Geometrie".

The well known "plus" sign was first used as a symbol of addition by the French mathematician Nicole d'Oresme in the work he wrote in the years 1356-1361. He used the + sign as a conjunction meaning "and".

The product debuted at the 1893 World's Fair in Chicago, but it didn't have much success. The modern zipper was eventually designed in 1913 by Gideon Sundback, who worked at the Universal Fastener Company in Hoboken, New Jersey. He received a patent for his “Separable Fastener" in 1917.