Internet Terms and Definitions, Study notes of Internet and Information Access

Download Internet Terms and Definitions and more Study notes Internet and Information Access in PDF only on Docsity! 20-21 AP CSP Unit 2 - The Internet code.org Internet terms and definition 1. Bandwidth - the maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second. 1. Certificate authority - issue digital certificates that validate the ownership of encryption keys used in secure communications and are based on a trust model. 2. Computing device - a machine that can run a program, including computers, tablets, servers, routers, and smart sensors 3. Computing network - a group of interconnected computing devices capable of sending and receiving data 4. Computing system - a group of computing devices and programs working together for a common purpose. 5. Digital divide - differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics 6. 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. 7. HTTP - HyperText Transfer Protocol - the protocol used for transmitting web pages over the Internet 8. Internet - a computer network consisting of interconnected networks that use standardized, open (non proprietary) communication protocols. 9. Internet Protocol (IP) - a protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device. 10. IP Address - unique number assigned to each device connected to the Internet 11.Packet - a 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 all 12.Packet Metadata - Data added to packets to help route them through the network and reassemble the original message. 13.Path - the series of connections between computing devices on a network starting with a sender and ending with a receiver. 1 | P a g e