The Internet: Chapter 2 Computers and Info Tech
gigabyte?
1 billion characters
What is a megabyte?
1 million chamaracters
What are the 5 ways to improve search results?
1. Use specific nouns 2. Put the most important terms first in the search text 3. List all possible spellings 4. Before using a search engine, read its Help information 5. If the search is unsuccessful with one search engine, try another
What are 5 safe browsing techniques?
1. Verify the website is safe 2. Clear your browsing history 3. Use a phishing filter 4. Enable a pop-up blocker 5. Browse anonymously
What were ARPA's two main goals with the internet?
1. allowed the sharing of information between scientists 2. could function even if part of it was destroyed
What did the original ARPANET consist of?
4 main computers, one located at UCLA, UCSB, Stanford Research Institute and the University of Utah.
PNG
Portable Network Graphics: comic-style drawing, line art, web graphics
TIFF
Tagged Image File Format: Photos used in printing industry
What is the World Wide Web Consortium (W3C)?
a governing body that oversees research and sets standards and guidelines for many areas of the internet.
what is a plug-in or add-on?
a program that extends the capability of a browser.
Domain name
a text-based name that corresponds to the IP Address of a server that hosts a website.
BMP
bitemap: desktop backgrounds and scanned images
Internet Service Provider (ISP):
business that provides individuals and organizations access to the Internet free or for a fee. ISPS usually charge a fixed amount for Internet connection and offer a variety of plans with desired speeds, bandwith, and services.
website
collection of related webpages and associated items, such as documents and pictures, stored on a web server
GIF
graphics interchange format: images with few colors, simple diagrams and shapes
E-commerce
is a business transaction that occurs over an electronic network such as the Internet.
web server
is a computer that delivers requested webpages to your computer or mobile device.
What is the internet?
it is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals.
What is a host?
more commonly known today as a server, is any computer that provides services and connections to other computers on a network. The internet is now a network that millions of host connect to.
IP Address
short for Internet Protocol address is a sequence of numbers that uniquely identifies the location of each computer or device connected to the internet.
Dongle
small device that connects to a computer
What is tethering?
the ability of a smartphone or internet capable tablet into a portable communications device that shares its internet access with other computers and devices wirelessly.
What is bandwith?
the amount of data that travels over a network
The suffix of the domain name aka ______, does what?
the top-level domain; identifies the type of organization associated with the domain.
What are the 3 widely used Internet services?
the web, email, and VoIP
How was the internet created?
through a networking project started by the Pentagon's Advanced Research Project Agency (ARPA)
Wireless modem
uses cellular radio network to provide Internet connection
.edu
Educational institutions
Everyone uses broadband internet.
False, dial up is still a thing.
FTP
File Transfer Protocol is an Internet standard that permits file uploading and downloading to and from other computers on the Internet.
What are the 2 IP addressing schemes?
IPv4 or IPv6
JPEG
Joint Photographic experts group: Digital camera photos, game screenshots, movie still shots
.mil
Military organizations
.net
Network providers or commercial companies
Who owns the internet?
No single person, company, institution, or government agency owns the Internet. Each organization on the Internet is responsible only for maintaining its own network.
.org
Nonprofit organications
.gov
Government agencies
What are the 3 types of e-commerce?
Business to consumer (B2C): e-commerce: shopping website Consumer to consumer (C2C) e-commerce: e-bay Business to business (B2B) e-commerce: advertising, recruiting, credit, sales, market research, technical support and training
.com
Commerical organizations, businesses, and companies