COMM-101 Computer Applications in Communications - January 22
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COMM-101 Computers
in Communications
Thursday, November 10, 2011
Joe Boehnlein
Today’s Agenda
Internet
Series of tubes
Social Media
Take down your dirty pictures!
COMM 101
December 5, 2012 Computers in Communications
Senior Project
Presentations
Thursday & Friday
Good Recital Hall
The Internet
How Does it Work?
History
Who invented the Internet?
Al Gore? Dwight D.
Eisenhower?
COMM 101
December 5, 2012 Computers in Communications
History
Dwight D. Eisenhower
• Supreme Commander of
Allied Troops in WW II
• Wanted Government to
function in time of war
COMM 101
December 5, 2012 Computers in Communications
History
Led to…
Advanced Research Projects Agency
(ARPA)
ARPANET
December 1969
Nodes at UCLA, Stanford, Utah, Cal-San Bernadino
ARPA develops internetworking protocols
1970’S
LANs act as gateways for academia and business
COMM 101
December 5, 2012 Computers in Communications
History
Internet divided into two parts
1983 - ARPANET and MILNET
Required to use TCP/IP
Domain Name System (DNS)
established
1984
Worldwide Web and Mosaic Developed
1989/1991 by Tim Berners-Lee
1994 (Mosaic)
COMM 101
December 5, 2012 Computers in Communications
Internet Components
The Internet – A vast collection of
computer networks
The World Wide Web – The graphical
component of the Internet, consisting of
individual pages
Web Site – A collection of related pages
COMM 101
December 5, 2012 Computers in Communications
Internet Components
Home Page – The entry, or Index page, for a
web site
Links – Hypertext used to jump from one
page to another
Browser – The graphical user interface (GUI),
or software, used to view web pages
COMM 101
December 5, 2012 Computers in Communications
Internet Components
Server – Computer that hosts web pages and
web sites
Web Address – Universal Resource Locator,
or URL, which is used to find the appropriate
server
Domain Name – Plain English for the IP
address of the server
COMM 101
December 5, 2012 Computers in Communications
Internet Components
Domain Name System (DNS) –
Translates text addresses to IP
addresses
COMM 101
December 5, 2012 Computers in Communications
The Internet
What Happens When You Type a
Web Page in Your Browser?
Internet Browsing
Cookie
A small, simple text file placed on your
hard drive by a web site that you visited
Allows the website to identify your computer
Not a program
Spiders
Programs used by search engines to
gather info about what’s available on The
Internet
COMM 101
December 5, 2012 Computers in Communications
Internet Security
Malware
Softwarethat can be harmful (or malicious)
to your computer
Spyware
Programs on your hard drive that send info about
how you use your computer to marketers
Adware
Spyware that displays ads for products based on
your usage
COMM 101
December 5, 2012 Computers in Communications
Internet Security
Firewall
A security device (either hardware or
software) that controls access from the
Internet to a local network
Restrictsport access to non-requested
incoming traffic
Can also block outgoing traffic to restricted
sites
Alerts user to suspicious activity
COMM 101
December 5, 2012 Computers in Communications
Internet Nasties
A Worm is a program that propagates itself across
computers, usually by creating copies of itself in each
computer's memory.
A Virus is a program that "infects" computer files
(usually other executable programs) by inserting in
those files copies of itself.
A Trojan Horse is a destructive program disguised
as a game, a utility, or an application.
COMM 101
December 5, 2012 Computers in Communications
Virus Prevention
Being careful about installing software
you don’t know where it came from.
Be careful of other users on your
computer.
Use a virus protection program
COMM 101
December 5, 2012 Computers in Communications
Virus Protection
Virus Protection Software
Norton AntiVirus/McAfee VirusScan/AVG
Scan Hard Drives
Setup automatic protection
Floppy disks/Downloads/E-mail
Updatevirus definitions regularly
Beware of .exe e-mail attachments
Windows Update
COMM 101
December 5, 2012 Computers in Communications
Social Media
COMM 101
December 5, 2012 Computers in Communications
Social Media
Professors are on social media
Professors talk to each other
NOTHING POSTED ON
THE INTERNET IS PRIVATE!
COMM 101
December 5, 2012 Computers in Communications
Questions?
COMM 101
December 5, 2012 Computers in Communications
Next Time
Talk about Dreamweaver
Hand Out Web Assignment
Give back your Photoshop and
InDesign assignment… promise.
COMM 101
December 5, 2012 Computers in Communications
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