ITEC 1001 CHAPTER THREE
examples of downloading a file
- Copying a driver from a company's website and saving it to your computer - Buying a song on iTunes so you can listen to it on your phone - Copying a photo from Facebook and saving it to your desktop
should be considered when choosing an ISP
- How many users will be logged on my network at the same time? - Will user's be streaming data? - What ISP choices are available in my area?
examples of streaming
- Listening to Pandora - Watching a YouTube video - Watching a movie on Netflix
IP addresses
- assigned to your home network by your ISP - means by which your network is identified by other servers and computers on the Internet - ISPs often have blocks of IP addresses that they assign as demanded - IP stands for Internet Protocol - In most home networks IP addresses are assigned by the Internet Service Provider - If two laptops are connected to the same home network and surfing the web simultaneously, they share the same IP address
Fiber Optic Internet service
- fastest home network option when available - not available in all areas - signal is carried by light waves so it's less subject to electromagnetic interference
Filters
- limit the material browsers fetch - parents often use search engine filters to restrict offensive images from being displayed on computer monitors - are often accessed through a browser's preferences
examples of uploading files
- posting a photo on social media - placing an ad on Craigslist - posting a YouTube video
Cellular Internet Service
- uses cell phone radio waves to transmit and receive Internet signals - many providers offer data packages that may place limits on uploading and downloading - many smartphones can send and receive WiFi signal, allowing them to become hotspots
Satellite Internet service
- uses microwaves to deliver service - provides broadband service virtually anywhere - Customers usually purchase a data plan that limits uploading and downloading
DSL Internet service
- uses telephone wires as transmission wires - Internet signals tend to be very consistent
Cable Internet Service
- uses the same coaxial cable that brings the cable television signal - usually has more bandwidth than DSL lines - Internet service can often be bundled with television service
reasons for purchasing broadband Internet service.
1. You have several devices online at the same time. 2. You need relatively high-speed Internet service 3. You want Wi-Fi in your home.
File
A URL identifies a particular __ address on the World Wide Web.
Domain
A ___ name identifies a server site on the Internet.
File Transfer Protocol
A protocol commonly used to transfer large files from one server to another on the Internet is the ___ .
Internet
Although it sounds ironic, searching the _____ in your area is an efficient way to search for an ISP.
browser developed by Microsoft
Internet Explorer
Graphical
Letting computer users drag images and documents across their computers' monitors made the ___ User Interface very popular.
Wi-Fi Hotspots
Many cellular ISPs offer modem/router combination devices that can create a _____ wherever there's adequate cell service
Packet
Paul Baran developed a technology called _____ switching that made the Internet possible and reliable.
Defense
SAGE was developed by the US Department of ___ .
Cold
Sage was developed during the _____ war.
uploading
Sending files from your computer to a server on the internet is called ____ .
Browsers
Software applications that allow users to access and surf the World Wide Web are called ___ .
Plug-ins
Software that can be added to a browser to increase its functionality are called ___ .
Filters
Software that limits the material that a browser fetches or that a search engine displays are called ___ .
DSL
The Internet service that tends to provide the most consistent speeds is _____.
Tim Berners-Lee
The World Wide Web was created through a collaboration led by ___ .
Cube
The first commercially available computer with a graphical user interface was NeXT's ___ computer.
Top Level Domain
The highest level in the domain name hierarchy is known as the ___ .
coaxial cable, telephone wire, cell phone radio waves
Three common Internet transmission media.
Uniform
URL stands for ___ Resource Locator.
World Wide Web
WWW stands for ___ ___ ___ .
Internet Service Provider
What does ISP stand for?
The World Wide Web Consortium (W3C)
What group determines the standards for the World Wide Web?
Could a network be built that would continue to work even if multiple parts collapsed?
What was the major question that ARPAnet wanted to solve?
how much data you currently use
When determining how much cell phone data you need it is important to consider _______.
Cable Internet
Which might be a choice for Internet service in your area?
Internet Service Providers
satellite, cable, fiber optic
domain name
www.cnet.com