Chapter 2 Flashcards
internet
Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
what were the two main goals of the originail internet called arpanet
Allow scientists at different physical locations to share information and work together
Function even if part of the network were disabled or destroyed by a disaster
examples of wired internet
Cable Internet service
DSL (digital subscriber line)
Fiber to the Premises (FTTP)
examples of wireless internet
Wi-Fi (wireless fidelity)
Mobile broadband
Fixed wireless
Satellite Internet Service
hotspot?
is a wireless network that provides Internet connections to mobile computers and devices
what is an ISP?
internet service provider: is a business that provides individuals and organizations access to the Internet free or for a fee
what is bandwidth?
Bandwidth is a measure of the capability of a network to send and receive data
Megabyte (MB)
Gigabyte (GB)
ip address?
is a sequence of numbers that uniquely identifies the location of each computer or device connected to the Internet or any other network
domain name
is a text-based name that corresponds to the IP address of a server example: .com .edu .gov
DNS server?
A DNS server translates the domain name into its associated IP address
world wide web (WWW)
or web, consists of a worldwide collection of electronic documents (webpages)
website?
collection of related webpages and associated items
web server
computer that delivers requested webpages to your computer or mobile device
HTML
(Hypertext Markup Language) is a set of symbols that developers use to specify the headings, paragraphs, images, links, and other content elements that a webpage contains
browser?
is an application that enables users with an Internet connection to access and view webpages on a computer or mobile device
Internet-capable mobile devices such as smartphones use a special type of browser, called a mobile browser
home page
the first page that a website displays
webpage has a unique address called?
web address or URL
web app
application stored on a web server that you access through a browser ex. onedrive
search engine
software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic
several types of websites
Search engine Online social network Informational and research Media sharing Bookmarking News, weather, sports, and other mass media wiki blogs e-commerce portals content aggregation
web publishing
creation and maintenance of websites
graphic
visual representation of nontext information
ex. bmp, GIF, JPEG, PNG, TIFF
infographic
is a visual representation of data and information, designed to communicate quickly, simplify complex concepts, or present patterns or trends
virtual reality
is the use of computers to simulate a real or imagined environment that appears as a three-dimensional (3-D) space