M - Definitions

  • M

    MAC address (Media Access Control address)

    In a local area network (LAN) or other network, the MAC (Media Access Control) address is your computer's unique hardware number.

  • MAE

    A MAE (pronounced MAY), originally an abbreviation for Metropolitan Area Exchange and now a service mark of MCI WorldCom, is a major center in the United States for interconnecting traffic between Internet service providers (ISPs).

  • mail user agent (MUA)

    A mail user agent (MUA) is a program that allows you to receive and send e-mail messages; it's usually just called an e-mail program.

  • Manchester encoding

    In data transmission, Manchester encoding is a form of digital encoding in which data bits are represented by transitions from one logical state to the other.

  • Manufacturing Message Specification (MMS)

    The Manufacturing Message Specification (MMS) is an international standard that defines the ways in which control information is transferred among intelligent devices and systems such as computers and robots... (Continued)

  • master

    A master, in a technological context, is a device that controls one or more other devices.

  • master/slave

    In computer networking, master/slave is a model for a communication protocol in which one device or process (known as the master) controls one or more other devices or processes (known as slaves).

  • maximum segment size (MSS)

    The maximum segment size (MSS) is the largest amount of data, specified in bytes, that a computer or communications device can handle in a single, unfragmented piece.

  • maximum transmission unit (MTU)

    A maximum transmission unit (MTU) is the largest size packet or frame, specified in octets (eight-bit bytes), that can be sent in a packet- or frame-based network such as the Internet.

  • MBone (Multicast Internet)

    The MBone, now sometimes called the Multicast Internet, is an arranged use of a portion of the Internet for Internet Protocol (IP) multicasting (sending files - usually audio and video streams - to multiple users at the same time somewhat as radio and TV programs are broadcast over airwaves).

  • Mbps (megabits per second)

    Megabits per second (Mbps) are a unit of measurement for bandwidth and throughput on a network. Each megabit is equal to 1 million bits.

  • MDI/MDIX (medium dependent interface/MDI crossover)

    MDI/MDIX is a type of Ethernet port connection using twisted pair cabling.

  • mean opinion score (MOS)

    In voice communications, particularly Internet telephony, the mean opinion score (MOS) provides a numerical measure of the quality of human speech at the destination end of the circuit.

  • Media Access Control layer (MAC layer)

    In the Open Systems Interconnection (OSI) model of communication, the Media Access Control layer is one of two sublayers of the Data Link Control layer and is concerned with sharing the physical connection to the network among several computers.

  • media access management

    In the Open Systems Interconnection (OSI) communication reference model, media access management is performed by the Media Access Control (MAC) sublayer of the Data-Link Layer.

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