** Freeview, free-to-air digital terrestrial HD and SD content.

** 11 February – CBBC Channel and CBeebies begin broadcasting on the major digital television platforms: Freeview ( digital terrestrial ), digital cable and Sky Digital ( digital satellite ).

** Free-to-Air ( Analogue, Freeview, Cable, Satellite )

** Digital-only ( Freeview, Cable, Satellite )

** Two 8-way, one-button, digital joysticks.

** POTS codec, a digital audio device

** Non-photorealistic rendering, focuses on enabling a wide variety of expressive styles for digital art

** Willard S. Boyle and George Smith invent the CCD at Bell Laboratories ( 30 years later, this technology is widely used in digital cameras ).

** In Holmdel, New Jersey, scientists at Bell Labs announce they have created a digital optical processor that could lead to the development of superfast computers that use pulses of light rather than electric currents to make calculations.

** Clipping ( photography ), the clipping of overexposed area by digital cameras and film.

** Continual switching actions of digital electronic circuitry.

** EPROM chips used in the Eventide H-3000 series of digital music processors

** In very technical language: The nominal frequency or center frequency of various kinds of radio signals with digital modulation -- provided that the message bit stream is a random uncorrelated sequence of equally probable ones and zeroes (" marks " and " spaces ")

** international: 5 submarine cables ; 2 satellite earth stations-Intelsat ( Atlantic Ocean ) and Arabsat ; coaxial cable and microwave radio relay to Algeria and Libya ; participant in Medarabtel ; 2 international gateway digital switches

** In an FSK ( frequency-shift keying ) transmitter, which transmits digital data, the frequency of the carrier is shifted between two frequencies which represent the two binary digits, 0 and 1.

** Fairlight CMI, the first digital sampling synthesiser

** The Local AccuWeather Channel, a digital subchannel network which is the Weather Channel's most prominent national competitor

** Switched current source DAC, from which different current sources are selected based on the digital input.

** Nickelodeon operates three digital channels separate from the main feed: Nick Jr., a channel devoted to preschool programming ; TeenNick, aimed at teenagers with mostly live-action programs ( which includes a two hour 1990s block in late night ); and Nicktoons, which primarily ( although not exclusively ) runs animated programming.

** Cartoon Network has only one digital channel, Boomerang, which focuses on Time Warner's archival animated programming and some other classic cartoons.

** Disney Channel has two digital channels: Disney Junior, which launched in 2012 and features preschool programming, and Disney XD, which caters primarily to boys.

** This station also has a permit to flash-cut to digital on channel 20.

** Free over-the-air ATSC digital TV.

** Terrestrial is provided by regional digital TV stations.

** Terrestrial is provided by regional digital TV stations.

** Terrestrial is provided by regional digital TV stations.

** Terrestrial is provided by regional digital TV stations.

** The Nielsen – Schreier theorem, that every subgroup of a free group is free.

** Carefree means " free from care or anxiety.

** Carefree means ' free from care or anxiety '.

** Mini Zork I: The Great Underground Empire ( 1987, Marc Blank & Dave Lebling, free cut-down, single load tape version of game, covermounted on UK's ZZAP! 64 magazine )

** Sex drive is dependent on androgen levels only in the presence of estrogen, but without estrogen, free testosterone level actually decreases sexual desire ( instead of increases sex drive ), as demonstrated for those women who have hypoactive sexual desire disorder, and the sexual desire in these women can be restored by administration of estrogen ( using oral contraceptive ).

** the free product of groups

** Webs ( web hosting ), a website which allows users to create free websites

** Raid at Cabanatuan: 121 American soldiers and 800 Filipino guerrillas free 813 American POWs from the Japanese-held camp at Cabanatuan City, Philippines.

** Cold War: East Germany holds its first free elections.

** Gulf War: The United Nations Security Council passes UN Security Council Resolution 678, authorizing military intervention in Iraq if that nation does not withdraw its forces from Kuwait and free all foreign hostages by Tuesday, January 15, 1991.

** Entebbe Raid: Israeli airborne commandos free 103 hostages being held by Palestinian hijackers of an Air France plane at Uganda's Entebbe Airport ; 1 Israeli soldier and several Ugandan soldiers are killed in the raid.

** The first free parliamentary elections are held in Poland.

** Kidnappers in Lebanon set Anglican Church envoys Terry Waite and Thomas Sutherland free.

** First free flight of Igor Sikorsky's Vought-Sikorsky VS-300 helicopter.

** Vietnam War – Operation Ivory Coast: A joint Air Force and Army team raids the Son Tay prison camp in an attempt to free American POWs thought to be held there ( no Americans are killed, but the prisoners have already moved to another camp ; all U. S. POWs are moved to a handful of central prison complexes as a result of this raid ).

** In Chipping Norton, England rioters attempt to free the Ascott Martyrs – sixteen women sentenced to imprisonment for attempting to dissuade strikebreakers.

** The Soviet manned space mission Soyuz 18a ends in failure during its ascent into orbit when a critical malfunction occurs in the second and third stages of the booster rocket during staging, resulting with the cosmonauts and their Soyuz spacecraft having to be ripped free from the vehicle.

** Brazil holds the second round of its first free election in 29 years ; Fernando Collor de Mello wins.

** Richard Stallman, American free software proponent

** 86 free African American colonists sail from New York City to Freetown, Sierra Leone.

** The Dutch were for free trade, while industries in Belgium called for the protection of tariffs.

** GnuTLS, free software implementation of the SSL and TLS protocols

** admitted California as a free state