VideoLabs FlexCam iCam Technical Information download pdf (Page 52)

ICT in the science department 1652 © CLEAPSS 2005

Microprocessor A central processing unit on a single chip.

MID The file extension of a MIDI audio file.

MIDI Musical Instrument Digital Interface. A standard that defines the interface for connection

of electronic musical instruments and also the format of the transmitted information.

MIME Multipurpose Internet Mail Extensions. An extension of the SMTP protocol to allow

transmission of data such as audio or video without prior conversion into another format.

MIMO Multiple Input Multiple Output. The use of multiple transmitters and receivers (which

requires multiple antennas) on wireless devices for improved performance.

MiniDV A format of video tape for DV video.

Mirror A copy or duplicate that is kept up-to-date.

Modem Abbreviation of modulator / demodulator. A device that enables transmission over a

communications line typically providing a connection to the Internet over a telephone line.

Motherboard The central circuit board of a computer, housing the CPU, memory, interfaces for other

parts of the computer, ports, controllers for standard peripheral devices and expansion

slots.

Mouse A device attached to a computer and used to move an on-screen pointer.

MOV The file extension for video files encoded in Apple’s QuickTime format.

Mp3 MPEG audio Layer-3. The version of MPEG used to compress audio (sound) files.

Mp3 player Small device that plays MP3 files. A lead can connect it to a USB or parallel port of a

computer.

MPEG Moving

Picture Experts Group. A group that develops compression systems for video files.

MS-DOS™ Microsoft’s proprietary operating system. See DOS above.

Multi-channel

A/D

An A/D converter with a fast switch to connect it to different input lines in turn.

Narrowband A restricted-frequency band usually for a single user – a communications channel that

has limited capacity.

Network A group of computers connected together to enable software and hardware resources to

be shared. Typically, only certain individuals (‘administrators’) are able to install programs

onto a network server or workstation.

Newsgroup A forum on the Internet for discussion of various topics or ‘threads’.

NIC Network Interface Card. A PCI card with a RJ-45 (Ethernet) port that enables a computer

to be connected to a network.

NKID Non-Keyboard Input Device. Any computer input device other than a keyboard. For

example, a mouse, trackball, stylus etc.

Noise Any interference that affects a device or communications channel.

Alternatively, may refer

the amount of unwanted sound produced, eg, by a data projector, measured in decibels.

Notebook See Laptop.

NTSC National Television System Committee. A broadcast system used in the USA and some

other countries.

Null A character code meaning ‘no entry’ or ‘empty’.

OCR Optical Character Recognition. A technology that permits text on paper documents to be

scanned to an image file then identified and converted into a typed, editable electronic

document.

OEM Original Equipment Manufacturer. Means that one company makes the piece of

equipment but it is then stamped and sold by another company.

OLE Object Linking and Embedding. A technology that permits an object such as a picture to

be placed in, or linked to, another program’s document or file.

Open source If a piece of software is ‘open source’ then the source code (original program code) is

available for free.

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