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51Television in Ireland — Digital terrestrial television within the Republic of Ireland, known as Saorview, was launched on 27 May 2011. This service will effectively replace the current analogue terrestrial television system, which uses System I with 625 lines and the… …
52TACAMO — is a U.S. military term meaning Take Charge and Move Out . TACAMO refers to a system of survivable communications links designed to be used in nuclear war to maintain communications between the decision makers (the National Command Authority) and …
53Western Union — For other uses, see Western Union (disambiguation). The Western Union Company Type Public Traded as NYSE:  …
54Collision domain — A collision domain is a section of a network where data packets can collide with one another when being sent on a shared medium or through repeaters, in particular, when using early versions of Ethernet. A network collision occurs when more than… …
55Network congestion avoidance — is a process used in computer networks to avoid congestion.The fundamental problem is that all network resources are limited, including router processing time and link throughput. Eg.: *today s (2006) Wireless LAN effective bandwidth throughput… …
56Coding theory — is the study of the properties of codes and their fitness for a specific application. Codes are used for data compression, cryptography, error correction and more recently also for network coding. Codes are studied by various scientific… …
57IP fragmentation — The Internet Protocol allows IP fragmentation so that datagrams can be fragmented into pieces small enough to pass over a link with a smaller MTU than the original datagram size.RFC 791 describes the procedure for IP fragmentation, transmission… …
58DNSSEC — The Domain Name System Security Extensions (DNSSEC) are a suite of IETF specifications for securing certain kinds of information provided by the Domain Name System (DNS) as used on Internet Protocol (IP) networks. It is a set of extensions to DNS …
59Amateur television — Fast scan redirects here. For the ultrasound assessment used in trauma, see Focused assessment with sonography for trauma. Amateur television (ATV) is the transmission of Broadcast quality video and audio over the wide range of frequencies of… …
60Disk enclosure — A 3.5 USB/FireWire hard disk enclosure A disk enclosure is essentially a specialized chassis designed to hold and power disk drives while providing a mechanism to allow them to communicate to one or more separate computers. Drive enclosures… …
