busy tone
61Telephone — The telephone (from the el. τῆλε, tēle , far and φωνή, phōnē , voice ) is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of… …
62publishing, history of — Introduction an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …
63Samuel Johnson — For other people named Samuel Johnson, see Samuel Johnson (disambiguation). Samuel Johnson LLD MA Samuel Johnson c. 1772, painted by Sir Joshua Reynolds Born …
64CTCSS — In telecommunications, Continuous Tone Coded Squelch System or CTCSS is a circuit that is used to reduce the annoyance of listening to other users on a shared two way radio communications channel. Where more than one user group is on the same… …
65Astropolis — est un festival de musique électronique se déroulant au bois de Keroual, près de Brest, ainsi que dans divers lieux emblématiques de la ville, entre la fin du mois de juillet et le début du mois d août. Plus ancien festival électronique en France …
66Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
67arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
68Dating — This article is about the form of courtship. For other uses, see Dating (disambiguation). Double Date redirects here. For the episode of How I Met Your Mother , see Double Date (How I Met Your Mother). For the episode of The Office , see Double… …
69Mandarin Chinese — This article is about the group of Northern and Southwestern Chinese dialects. For the official spoken standardized Chinese language (Putonghua/Guoyu), see Standard Chinese. Mandarin 官話/官话 Guānhuà G …
70Ringtone — For the Weird Al Yankovic song, see Ringtone (song). For the film, see Ringtone (film). A ringtone or ring tone is the sound made by a telephone to indicate an incoming call or text message. Not literally a tone, the term is most often used today …
