AP CSP unit 2 vocaubulary

Computing devices

Computing devices

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

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 connections 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

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. 

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.

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.

HTTP

the protocol used for transmitting web pages over the Internet

Domain Name System (DNS)

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

Internet

a computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols. 

World Wide Web

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

protocols(different types)

 IP, TCP, UDP, HTTP, DNS

router

A type of computer that forwards data across a network