2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Internet History Computer Networks.

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Presentation transcript:

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Internet History Computer Networks Components of the Internet World Wide Web Security & Social Concerns

The beginning model of the Internet.

The ARPANET

A communication method developed and implemented by Donald Davies, Paul Baran, and Leonard Kleinrock.

Packet Switching

The one of the oldest packet-switched services available.

X.25

Describe the function of Request for Comments (RFC)

A memorandum describing methods, behaviors, or innovations applicable to the working of the Internet and Internet-connected systems.

Clarify the term of TCP/IP.

Transmission Control Protocol and the Internet Protocol. The set of communications protocols; which were the first two networking protocols defined in this standard.

A computer network covering a small geographic area, like a home, a school or office.

Local area network (LAN)

It is the arrangement or mapping of the elements of a network.

Network topology

Classify 4 major categories used for classifying networks.

Scale; Connection method; Network Architectures; Network topology

Open Systems Interconnection Basic Reference Model

It is an abstract description for layered communications and computer network protocol design.

Explain the difference between the Internet and an Intranet.

The Internet is a publicly accessible series of interconnected networks. An intranet is a private computer network that network connectivity to securely share part of an organization's information or operations with its employees.

A store-and-forward method of writing, sending, receiving and saving messages over electronic communication systems.

When you connect one computer to another

File Transfer Protocol (FTP)

To put one operating system over another

Hypertext Transfer Protocol (HTTP)

Describe the meaning of Domain Name.

It is a name given to a collection of network devices that belong to a domain which is managed according to some common property of the members or within a common administrative boundary.

Clarify how we can upload or download a file to the Internet.

The transfer of electronic data between two computers or similar systems. To download is to receive data from a remote or central system. To upload is to send data from a local system to a remote system, FTP server, or website.

A logical address that is assigned to devices participating in a computer network.

IP address

A software application which enables a user to display and interact with information located on a website.

Web browser

A navigation element in a document to another section of the same document or to another document that may be on or part of a (different) domain.

Hyperlink

Define the term of URL

It is a compact string of characters used to represent a resource available on the Internet.

Explain what the search engine is.

Search engine is designed to search for information on the World Wide Web. Information may consist of web pages, images and other types of files.

Define what Instant messaging (IM) is.

It is real-time communication between two or more people based on typed text.

Give at least 3 examples of IM. Describe personal experiences of using IM service.

MSN Messenger; AIM; Yahoo! Messenger; Google Talk, etc.

Explain the term of Internet slang.

It is slang that Internet users have coined and popularized.

List some ways to protect your PC and private information.

Antivirus software; Do not download file you do not know what it is; Do not save personal information in public computers, etc.

Address your opinion for taking notice of personal safety on the Internet world.

Never give out information that will identify you. Never arrange to someone face-to- face whom you have met online. Never respond to messages that are suggestive, threatening, or that make you feel uncomfortable. (p 378)