Unit 2 Vocabulary

3. a group of interconnected computing devices capable of sending or receiving data
4. 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
5. Address The unique number assigned to each device on the Internet
6. differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics
7. 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.
9. 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.
10. a system of linked pages, programs, and files
12. the series of connections between computing devices on a network starting with a sender and ending with a receiver
15. A type of computer that forwards data across a network
16. Takes inventory of all packets in the datastream to ensure that they are successfully sent and received.
17. Sends all packets without checking whether they were received or ordered properly.
18. a machine that can run a program, including computers, tablets, servers, routers, and smart sensors

1. the protocol used for transmitting web pages over the Internet
2. An agreed-upon set of rules that specify the behavior of some system
3. a group of computing devices and programs working together for a common purpose
8. the system responsible for translating domain names like example.com into IP addresses
11. The way in which information travels on the internet, not as a single piece, but in chunks.
13. a protocol for sending data across the Internet that assigns unique numbers (IP Addresses) to each connected device
14. the maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second