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IT284 Unit 1 Glossary of Terms
Terms for Unit 1- IT284
22
Computer Science
Undergraduate 2
08/22/2010

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Term
Access Point
Definition
A device that connects wireless communication devices together to form a wireless network.
Term
Barretter
Definition
A thermal detecting the presence of electric waves which operates by increased resistance when subjected to the influence of electric waves.
Term
Broadband Internet
Definition
Refers to three different kinds of high-speed Internet connections; cable, DSL and satellite.
Term
Collision
Definition
When two hosts transmit on a network at once causing their packets to collide and corrupt each other.
Term
Ethernet
Definition
A type of networking technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second.
Term
FCC
Definition
Federal Communications Commission: An independent government agency that regulates interstate and international communications by radio and television and wire and cable and satellite.
Term
FDA
Definition
Food and Drug Administration: A federal agency in the Department of Health and Human Services established to regulate the release of new foods and health-related products.
Term
Frequency
Definition
The number of repetitions per unit time of a complete waveform, as of an electric current.
Term
GHz
Definition
A unit of frequency equal to one billion hertz.
Term
Hot Spot
Definition
A location with public wireless access points where you can connect your mobile computers to the Internet using standard Wi-Fi technology.
Term
IEEE
Definition
Institute of Electrical and Electronics Engineers: A non-profit organization, the world's leading professional association for the advancement of technology.
Term
Interference
Definition
The inhibition or prevention of clear reception of broadcast signals.
Term
LAN
Definition
Local area network: a local computer network for communication between computers; especially a network connecting computers and word processors and other electronic office equipment to create a communication system between offices.
Term
Mbit/s
Definition
Megabit per second: a unit of data transfer rate equal to 1,000,000 bits per second or 1,000 kilobits per second.
Term
PDA
Definition
personal digital assistant - a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock, etc.
Term
Protocol
Definition
A standard procedure for regulating data transmission between computers.
Term
Radio
Definition
The wireless transmission through space of electromagnetic waves in the approximate frequency range from 10 kilohertz to 300,000 megahertz.
Term
Radiofrequency Energy
Definition
Energy that travels as radio waves.
Term
Router
Definition
A device in a network that handles message transfer between computers.
Term
Standard
Definition
Something set up or established by an authority as a rule for the measure of quantity, weight, extent, value, or quality.
Term
Telegraphy
Definition
Communicating at a distance by electric transmission, usually in Morse code.
Term
Wireless Network
Definition
A wireless network allows computers to share printers, files or an internet connection without any wires between them. Wireless networking hardware uses radio frequencies to transmit information between the individual computers; each computer requires a wireless network adapter. A wireless network hub or router is used to bridge the wireless network to traditional Ethernet or home phone line networks, or provide a shared internet connection.
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