CSP U2 Vocabulary

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16 Terms

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Bandwidth

The maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.

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Computing Device

A machine that can run a program, including computers, tablets, servers, routers, and smart sensors.

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Computing Network

A group of interconnected computing devices capable of sending or receiving data.

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Computing System

A group of computing devices and programs working together for a common purpose.

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Path

The series of connections between computing devices on a network starting with a sender and ending with a receiver.

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IP Address

The unique number assigned to each device on the Internet.

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Internet Protocol (IP)

A protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device.

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Protocol

An agreed-upon set of rules that specify the behavior of some system.

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Fault Tolerant

Can continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.

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Redundancy

The inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network.

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Router

A type of computer that forwards data across a network.

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Packet

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

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Domain Name System (DNS)

The system responsible for translating domain names like example.com into IP addresses.

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HyperText Transfer Protocol (HTTP)

The protocol used for transmitting web pages over the Internet.

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World Wide Web

A system of linked pages, programs, and files.

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Digital Divide

Differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics.