Unit 2 Code.Org Vocab

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

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

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

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

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

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

The unique number assigned to each device on the Internet

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

A type of computer that forwards data across a network

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.

Can continue to function even in the event of individual component failures.

Data added to packets to help route them through the network and reassemble the original message.

Information passed through the internet in packets

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

A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets

A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered

the capacity for the system to change in size and scale to meet new demands

a system of linked pages, programs, and files

A global network of networks that allow us to access web files

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

a protocol for computers to request and share the pages that make up the world wide web on the Internet

text files with small pieces of data (like a username and password) that are used to identify your computer as you use a computer network.

The standard markup language used to create web pages. It is written in the form of elements consisting of tags enclosed in angle brackets (like <h1> ).

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