Internet and Networking Basics

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Internet

Back

A group of computers and servers that are connected to each other; a computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols.

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DNS (Domain Name System)

Back

Used to translate domain names into IP addresses.

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IP Address

Back

The unique number assigned to each device on the Internet.

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Packet

Back

A chunk of data sent over a network. Messages are divided into packets that may arrive at the destination in order, out-of-order, or not at all.

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Protocol

Back

A set of rules governing the exchange or transmission of data between devices; An agreed-upon set of rules that specify the behavior of some system.

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Binary

Back

A way of representing information using only two options.

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Bit

Back

A contraction of 'Binary Digit'. A bit is the single unit of information in a computer, typically represented as a 0 or 1.

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Byte

Back

8 bits.

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Bandwidth

Back

Transmission capacity measure by bit rate.

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Bit Rate

Back

The number of bits that are conveyed or processed per unit of time. e.g. 8 bits/sec.