Four Channel Discrete uses two stereo or four identical amplifiers to produce sound. This system was used in the late 1950’s to early 1960’s and was quite expensive – and the sound reproduction was not suited to LP’s and turntables of the day. Quadraphonic sound lost the battle during this time as another sound reproduction technology called quadraphonic sound became more popular.
- Frame Relay
A packet-switching protocol for connecting devices on a Wide Area Network (WAN). Frame Relay networks in the U.S. support data transfer rates at T-1 (1.544 Mbps) and T-3 (45 Mbps) speeds. In fact, you can think of Frame Relay as a way of utilizing existing T-1 and T-3 lines owned by a service provider. Most […]
A slang term used to describe a cellular telephone tower that has been camouflaged or disguised to look like a pine tree.
- Fraud over Internet Protocol
FoIP, short for Fraud over Internet Protocol, is the act of taking advantage of VoIP security vulnerabilities to steal network capacity. The term was used after a well-known criminal case where two men tapped into corporate and service provider networks and routed millions of minutes in calls illegally. One of the first uses of the […]
A popular and free version of the UNIX operating system that runs on x86-compatible, DEC Alpha, PC-98, AMD64, IA64 and SPARC64 architectures. FreeBSD is distributed in executable and source code form. The source code enables ambitious users to actually extend the operating system. Another popular and free version of UNIX is Linux.
FreeDOS is a DOS-compatible operating system and package of separate programs made up of open source software, licensed under the GNU General Public License (GPL). FreeDOS is designed for use on IBM PC compatible computers and supports supports older and the newer IBM hardware. The FreeDOS project was started in 1994 after Microsoft stopped support […]