Computer science questions

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

Roboto is the default font on Android, and since 2013, other Google services such as Google+, Google Play, YouTube, Google Maps, and mobile Google Search. It’s now massively popular, comes in 12 different styles, and makes multiple appearances on Google Fonts’ analytics.

Myron Krueger is an American computer artist who developed early interactive works. He is also considered to be one of the first generation virtual reality and augmented reality researchers. Krueger went on to develop Metaplay, an integration of visuals, sounds, and responsive techniques into a single framework. In 1971, his "Psychic space" used a sensory floor to perceive the participants' movements around the environment.

Besides being bishop of Seville for 37 years, St. Isidore wrote many books about grammar, astronomy, geography, history, and theology, and created an encyclopedia, which at the time was deemed very technologically advanced. St. Isidore is the patron saint of technology because of his strive and contribution towards progression and dedication for learning.

Unix time is a date-time format used to express the number of milliseconds that have elapsed since January 1, 1970 00:00:00 (UTC). Unix time does not handle the extra seconds that occur on the extra day of leap years. Currently, the difference is about 2 to 3 milliseconds a day and is adjusted on average once a year.

The information sent over phone and cable lines are analog waves. So your modem takes the analog waves, changes it to digital and delivers it to your computer. In other words, your modem will connect you to the internet so that you can watch videos, upload videos, check emails, play on Facebook and anything else that you’d like to do online.

An uninterruptible power supply (UPS) is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions, by supplying energy stored in batteries.

The name is a combination of the words Linus and Unix. The system's history began in 1991, when Linus Torvalds announced that it created a small operating system. To this day, Linus remains an active creator of the system, verifying the changes introduced.

The compact disc (CD for short) is an optical memory medium, which was introduced in the early 1980s for digital music storage by Philips/PolyGram and Sony, with a view to replacing the vinyl record.