AP CSP: Unit 2 - The Internet

Terms from Unit 2 of AP CSP. Keep in mind that these vocabs are based on the course vocabulary list from Code.org.

Computing Device

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

Computing System

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

Computing Network

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

Path

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

Bandwidth

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

Protocol

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

IP Address

The unique number assigned to each device on the Internet

Internet Protocol (IP)

A protocol for sending data across the Internet that assigns unique numbers to each connected device

Router

A type of computer that forwards data across a network

Packet

A chunk of data sent over a network. May arrive at the destination in order, out-of-order, or not at all

Redundancy

The inclusion of extra components so that a system can continue to work even if individual components fail

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.

HyperText Transfer Protocol (HTTP)

The protocol used for transmitting web pages over the Internet

Domain Name System (DNS)

The system responsible for translating domain names into IP addresses

Internet

A computer network consisting of interconnected networks that use standardized, open communication protocols

World Wide Web (WWW)

A system of linked pages, programs, and files

Digital Divide

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