Computer and Society
Introduction to:
• World Wide Web
• Wild Card
• Security/Privacy
• Computer Crimes
• Viruses
• Ethics
• Etiquette/ Netiquette
• Email
Edited By A. Moore 02/12
Information retrieved from 2008 Exploring Business Technologies & Business Computer Technology—BE 6400,
and Digital Literacy curriculum.
Lesson Objectives
After completing this lesson you will be able to:
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•
•
•
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Understand the world wide web and the use of the wild card symbol.
Identify the common measures used to protect your computer and your data.
Discuss security, confidentiality, and ethical issues as related to computer
usage.
Identify computer viruses.
Understand computer ethics, etiquette, and netiquette.
World Wide Web
• WWW - collection of data that is accessible from the
Internet.
• Web browser - software that allows you to retrieve
resources from the web.
– Internet Explorer, Mozilla Firefox, Google Chrome
• Search engine – allows users to search for
information on the WWW.
– Google, Alta Vista, Excite
Wild Card Searching
• The * symbol, called an asterisk, is considered
a wildcard character.
• Used if you don’t know the spelling of a word
– Example: N*Ryan to search for Nolan Ryan
• Used to search plurals or variations of words.
What is Computer Security & Privacy?
• Damages your computer or the data on it is a
computer threat.
• When your computer is connected to a network, the
computer becomes more vulnerable to computer
threats.
Video
5 Worst Photos Post Online
Security Measures
Maintain & enforce security measures such as:
• Passwords
• Firewalls
– Limits data that passes through the Internet and protects
data from damage by unauthorized users.
• Antivirus software
Other Terms
• Scams - attractive offers through e-mail
messages or chat room communication.
• Online predators - individuals who contacts
Internet users online. Involve others into
inappropriate and unethical relationships.
Computer Privacy
• Computer privacy - keeping personal files,
data, and e-mail messages, away from anyone
without permission
• Computer Security – protecting a computer
system from accidental or intentional loss and
tampering (Ex: user name and password).
Computer Laws
• Copyright - Law protecting the original work of an
artist or author (software, text, paintings,
photographs, books, songs, video/movies).
Computer Crimes
Criminal act committed through the use of a computer.
• Hacker - Using the computer to misuse or tamper with
the programs and data stored on the computer.
• Computer hacking - Invading someone else’s computer,
for personal gain or the satisfaction of invasion.
• Computer fraud - Manipulating a computer or its data
for dishonest profit.
• Theft of computer time - Using a company’s computer for
personal use.
Computer Crimes (con’t.)
• Plagiarism - Taking ideas or words that are not
yours and claiming it as yours (research papers).
• Data diddling - Changing data before or while entering in
the computer.
• Piracy - Violation of copyright law. Illegally copying and
reselling as your original.
Identity Theft
Hacker steals your personal information
to assume your identity.
Viruses
http://www.commoncraft.com/video/computer-viruses-and-threats
• Viruses – software written to cause malfunctioning
of a computer or damage the stored data.
• Worms – uses computer networks and duplicates
copies of itself in the computer's memory and causes
the computer to crash.
• E-mail viruses – travels as an e-mail attachment by
automatically mailing itself to the address book.
Viruses con’t.
• Trojan horse - does something harmful while
appearing to do something useful (trick disguised as
a game).
• Logic bomb – virus takes affect at an event (deleting an
email, closing a pop-up window)
• Time bomb – virus takes affect at a certain date or
time (Friday 13th).
• Hoax – virus that tricks you into thinking you have a
virus.
Spyware
•Spyware – program installed on your computer
without your knowledge. Secretly sends out
information about your Web browsing habits or
other personal details to another computer through
the network.
EXE
• Called executable files, make things happen.
• EXE files are necessary for running your applications.
• EXE files can be dangerous files and damage your
computer system and your security.
• Do not open EXE files than you received as an e-mail.
What is Ethics?
• Moral principles or values
• Distinguishing between right and wrong
Technology Ethics
Ethics - moral principles by which people
conduct themselves.
– Not play computer games during work
hours.
– Not check personal e-mail.
– Not use the Internet for personal use such
as shopping online.
Acceptable Use Policy (AUP)
• Policy a user must agree to follow in order to be
provided access (login - user name & password)
to a network or to the Internet.
E-mail Etiquette
• Etiquette - Use good manners when writing
email messages.
• Use correct spelling and punctuation.
• Keep your message short.
• DO NOT USE ALL CAPS! It looks like you are
yelling.
Netiquette - Good internet behavior
Electronic Mail
• Electronic form of postal mail.
• Email consists of three parts:
• The user name of the individual
• The @ symbol
• The user’s domain name (name of the
computer that handles your mail)
Example: rsmith@yahoo.com
Body
Header
Parts of an E-Mail Message
Are You Paying Attention?
• Take out a blank sheet of
paper.
• Write your first name,
last name, class and
date in the right corner.
• Label this assignment
“Computer Society”
• Number it 1-5.
1) You receive an e-mail message from an unknown
e-mail address. The message requests you to share
your credit card details to receive a discount on
some music CDs. What will you do with this
message?
A. Reply to the message to provide your credit
card details.
B. Encrypt the message.
C. Scan the message for viruses.
D. Delete the message.
2) Lina is unable to access the e-mail account that her
Internet service provider (ISP) provides. She realizes
that someone has hacked into her account. What
action will she take to remedy this issue?
A.
B.
C.
D.
Protect her computer from surges and spikes
Use Microsoft® Windows® Update
Install spyware
Report the incident to her ISP
3) Ken decides to download the latest song from his
favorite band from a publicly available Web site and
share it with his friends. What is Ken doing?
A.
B.
C.
D.
Breaching copyright
Breaching security
Slandering the singer
Violating privacy
4) While reading a novel, you realize that the author has
copied material from another author. How will you
categorize this violation?
A.
B.
C.
D.
Phishing
Plagiarism
Libel
Slander
5) Gloria uses the Internet frequently for online
purchasing. To protect her system from virus attacks,
she installs an antivirus program. However, within a
few days, she gets a virus alert on her system. Which
of the following measures will she implement to
prevent this virus in the future?
A.
B.
C.
D.
Update and run virus scans daily.
Update the Internet browser.
Check Windows Update.
Use a strong password.