Living in the IT Era - Lesson 2: The Internet

This set of flashcards covers key terms and definitions related to the Internet and its components as discussed in the lecture.

Internet

A global network of thousands of computer networks linked by data lines and wireless systems.

IP Address

A numerical label assigned to each device, providing identity to a network device.

Browser

An application program that provides a way to look for information on the web.

Domain Name System (DNS)

The phonebook of the internet that allows access to information online through domain names.

Internet Service Provider (ISP)

An organization that provides services for accessing, using or participating in the internet.

Email

The most common method of sending and receiving messages online.

HTML

Hypertext Markup Language; a coding language used to create web pages.

URL

Uniform Resource Locator; a web address used to connect to a remote resource on the web.

Router

A hardware device that acts as the traffic cop for network signals arriving at homes or businesses.

Search Engine

Specialized software, such as Google and Yahoo, that lets browser users search for information on the web.

Encryption

The mathematical scrambling of data to hide it from eavesdroppers, using complex math formulas.

Web Bot

Programs or applets used on the Internet that perform repetitive functions, such as posting messages.

Upload

To transfer data from your computer to another computer.

Download

To transfer data from another computer to your computer.

HTTP

Hypertext Transfer Protocol; the data communication standard for web pages.

HTTPS

Hypertext Transfer Protocol Secure; indicates that a web page has a special layer of encryption.

Social Media

Websites and apps that allow people to share comments, photos, and videos.

Online Gaming

Games that allow people to play with and against each other over the Internet.