Unit 2 Flashcards
(18 cards)
Computing Device
machine that can run a program, including computers, tablets, servers, routers, and smart sensors
Computing System
group of computing devices and programs working together for a common purpose
Computing Network
group of interconnected computing devices capable of sending or receiving data
Path
series of connection between computing devices on a network starting with a sender and ending with a reciever
Bandwidth
Mac 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 Adress
unique number assigned to each device across the internet
Internet Protocol (IP)
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
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
HyperText Transfer Protocol - 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
