introduction to world wide web

26
Z Introduction to World Wide Web Subject Code: COMP121 By: Marlon Jamera Email: [email protected]

Upload: marlon-jamera

Post on 17-Aug-2015

58 views

Category:

Internet


0 download

TRANSCRIPT

Page 1: Introduction to World Wide Web

Z

Introduction toWorld Wide Web

Subject Code: COMP121By: Marlon Jamera

Email: [email protected]

Page 2: Introduction to World Wide Web

Z

Scope of the Lesson

• What is the Internet?

• Global Internet Connectivity

• Brief History of the Internet

• Hobbes Internet Timeline

• Relating Ethics to the Internet

Page 3: Introduction to World Wide Web

Z

Learning OutcomesBy the end of the lesson, you will be

familiar with the history of the internet and its relating ethics.• Describe what is Internet.• Illustrate the history of the internet.• Explain what the uses of the internet are.• Integrate the Hobbes Internet Timeline to better understanding of the internet history.• Assess the code of ethics relating to the world of Internet.

Page 4: Introduction to World Wide Web

Z

What is the Internet?

• It is the largest network in the world that connects hundreds of thousands of individual networks all over the world. • The popular term for the internet is the “Information Highway”• Rather than moving through geographical space, it moves your ideas and information through cyberspace – the space of electronic movement of ideas and information.

Page 5: Introduction to World Wide Web

Z

What is the Internet?

• No one owns it.• It has no formal management organization.• As it was originally developed by the Department of Defense.• To access the internet, an existing network needs to pay a small registration fee and agree to certain standards based on the TCP/IP or Transmission Control Protocol.

Page 6: Introduction to World Wide Web

Z

The Uses of the Internet

• E-mail• Voice and Video Conferencing• E-commerce• File Sharing• Information Browsing• Search the web addresses using search engines• Chat and a lot more

Page 7: Introduction to World Wide Web
Page 8: Introduction to World Wide Web

Z

History of the Internet

For most of its history, the internet often referred to simply as the “Net”. Almost exclusively scientists and academicians and was used neither by business nor by general public. It began as a United States Department of Defense network to link scientists and university professors around the world.

Page 9: Introduction to World Wide Web

Z

Disadvantage ofthe Internet

• Theft of Personal Information: such as names, address, credit card number, etc.

• Virus Threats: nothing but a program which disrupts the normal functioning of the system.

• Spamming: refers to receiving unwanted e-mails in bulk, which provide no purpose and needlessly obstruct the entire system.

Page 10: Introduction to World Wide Web

Z

Disadvantage ofthe Internet

• Pornography: this is perhaps the biggest threat related to children’s healthy mental life. A very serious issue concerning the internet.

“Though, internet can create destruction and its misuse can be very fatal, the advantages of it outweigh its disadvantages.”

Page 11: Introduction to World Wide Web

Z

History of the Internet

Page 12: Introduction to World Wide Web

Z

Hobbes Internet Timeline

• Where are we now?• How did we get to here?• What were the milestones along the way?

Page 13: Introduction to World Wide Web

Z

Hobbes Internet Timeline

“An internet timeline highlights some of the key events and technologies that helped shape the internet as we know it today”

Key Events:• Technical• Political• Social• Legal

Page 14: Introduction to World Wide Web

Z

Hobbes Internet Timeline

• 1696 – First ARPANET nodes online• 1971 – Ray Tomlinson invents email program .• 1988 – Internet Relay Chat developed• 1990 – First commercial provider of dial up internet access.• 1991 – WWW released by CERN.• 1999 – Somalia gets its first ISP.• 2003 – First official Swiss online election takes place.

Page 15: Introduction to World Wide Web

Z

Relating Ethics to the Internet

• What is Ethics?

Page 16: Introduction to World Wide Web

Z

Relating Ethics to the Internet

• “Ethics has to do with what my feelings tell me is right or wrong”• “Ethics has to do with my religious beliefs.”• “Being ethical is doing what the law requires.”• Ethics consists of the standards of behavior our society accepts.”

Page 17: Introduction to World Wide Web

Z

Relating Ethics to the Internet

• From the 1940’s through the 1960’s, there was no discipline known as “Computer Ethics”.• Walter Maner in the 1970’s decided to use the term “Computer Ethics” in the mid-70’s, he defined the field as one which examines “ethical problems aggravated, transformed or created by computer technology.

Page 18: Introduction to World Wide Web

Z

Relating Ethics to the Internet

• Technological configuration underlying the internet has a considerable bearing on its ethical aspects: People have tended to use it according to the way it was designed, and not to design it to suit that kind of use.

Page 19: Introduction to World Wide Web

Z

Classes of Ethical Problems

• Personal Intrusion• Privacy• Morality• Deception• Security• Plagiarism• Intellectual Property• Ownership and Control• Technology and Social Responsibility

Page 20: Introduction to World Wide Web

Z

Scenarios

• Anna has walked away from a lab computer without logging off. Henry sits down and still logged in as Anna, he sends inflammatory e-mail messages out to a number of students and posts similar messages on the class group.

•Deception, Privacy and Personal Intrusion.

Page 21: Introduction to World Wide Web

Z

Scenarios• A secretary on the campus of a tax-supported university has been requested to give her staff password to her supervisor. The supervisor would like to check the secretary’s email when she is not at work to see if departmental-related mail is coming in. The secretary is not comfortable giving her password to her supervisor, but is afraid to say no.

•Privacy and Personal Intrusion

Page 22: Introduction to World Wide Web

Z

Scenarios• Mary had a report to write about acid rain. She used several resources: books, magazines, newspaper articles and an electronic encyclopedia. She listed all these sources in her bibliography at the end of the report. She found out that the encyclopedia is the most convenient source because she could highlight portions of the text and paste them into her word processing document.

• Plagiarism

Page 23: Introduction to World Wide Web

Z

Scenarios• Joy really enjoys music but doesn’t have much money to buy new CD’s. She notices that the public library has a lot of CD’s and decides to check them out. Once Joy has the CD’s at home, she realized that she can burn the CD’s and keep copies for herself.

• Privacy and Ownership and Control

Page 24: Introduction to World Wide Web

Z

Classes of Ethical Problems

• Please copy this link and check it in your free time: http://ethics.csc.ncsu.edu/

Page 25: Introduction to World Wide Web

Z

Summary

• Ethics is a set of beliefs about right or wrong behavior.• Ethics in business is becoming more important because the risk associated with inappropriate behavior have grown especially in the IT industry.• Corporations want to protect themselves and their employees from legal action.

Page 26: Introduction to World Wide Web

Z

Let’s call it a day,Thank you!