20-21 AP CSP Unit 2 - The Internet code.org

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Computing device
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Terms in this set (21)
Computing device
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 and 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
unique number assigned to each device connected to the Internet
Internet Protocol (IP)
a protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device.
Router
A type of computer that forwards data across a network
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 TolerantCan 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.HTTPHyperText Transfer Protocol - the protocol used for transmitting web pages over the InternetInterneta computer network consisting of interconnected networks that use standardized, open (non proprietary) communication protocols.Packeta chunk of data sent over a network. Larger messages are divided into packets may arrive at the destination in order, out-of-order, or not at allPacket MetadataData added to packets to help route them through the network and reassemble the original message.Routingthe process of finding a path from sender to receiverUDPa protocol used on the internet for fast transmission of information but with minimal error checkingWorld Wide Weba system of linked pages, programs, and files.RouterA type of computer that forwards data across a networkCertificate authorityissue digital certificates that validate the ownership of encryption keys used in secure communications and are based on a trust model.Digital dividediffering access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics