Code.org: Unit 2 - Lesson 5-7 Vocabulary

Front

Information passed through the internet in packets.

Back

DataStream

Front

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.

Back

Packet

Front

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

Back

Packet Metadata

Front

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

Back

Transmission Control Protocol

Front

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

Back

User Datagram Protocol

Front

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

Back

Scalability

Front

A system of linked pages, programs, and files.

Back

World Wide Web

Front

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

Back

Domain Name System

Front

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

Back

Hypertext Transfer Protocol

Front

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

Back

Digital Divide