Ch.5 The internet and its uses Flashcards
internet
a very large global network that allows users to access the world wide web
infrastructure
the physical structure, such as all the components and cables, that are used to connect devices
network
computers and devices that are joined together using cables or wireless technology
world wide web
the collection of all the web pages and websites that have been made available
website
a collection of web pages, normally about a related topic or purpose
web page
a single page within a website
uniform resource locator (URL)
another name for the text-based address for a website
web browser
a piece of software that retrieves and displays web pages
protocol
a set of rules for transmitting data
domain name
a specific part of a URL that contains the unique name for the web server
domain name server (DNS)
a special server that contains a database of domain names and their corresponding IP address
web server
a network component where the web pages for a website are stored
hypertext transfer protocol (HTTP)
a protocol that is used for the transmission of web pages and related data across the internet
hypertext markup language (HTML)
a scripting (web authoring) language that is used to create web pages
cascading style sheet (CSS)
a scripting language that is used to create a presentation template for a web page
active script
this is the script that is used to produce any of the interactive elements of a web page
hypertext transfer protocol secure (HTTPS)
a secure version of the HTTP that encrypts data for transmission
encryption
a method of securing data for storage or transmission that scrambles it and makes it meaningless
digital certificate
a certificate that is awarded to a website if they can prove that they are a real organisation and take measures to securely transmit their data
certificate authority
the awarding organisation that checks if another organisation is real and secure before awarding them a digital certificate
secure sockets layer (SSL) protocol
a type of protocol that encrypts data for transmission
combined with HTTP to create HTTPS
transport layer security (TLS) protocol
an updated version of the SSL protocol
render
the method of processing all the web page data, such as HTML, to display the web page
address bar
the section of a web browser where you type the web page address
user history
a record made on your web browser of all the web pages that you have visited
bookmark
a link that can be created to allow you to quickly find a web page again
tab
a website function that allows you to open multiple web pages in the same window
window
a viewing area that is created in which a software application or file can be opened
navigate
move around web pages, or move back or forward to previous web pages
cookie
small text file that is used to store personal data, by a web browser
session cookie
a type of cookie that is deleted when the web browser is closed
persistent cookie
a type of cookie that is stored by the web browser until it is deleted by the user or because it has expired
digital currency
a currency that exists electronically rather than physically
cryptocurrency
a type of digital currency that uses encryption procedures
blockchain
a method that is used to track all the transactions made with a cryptocurrency
digital ledger
a database that is a list of all the transactions recorded by the use of blockchain
