Computers © 2005 Prentice-Hall, Inc.Slide 1. Computers Chapter 3 Going Online © 2005 Prentice-Hall, Inc.Slide 2.

Slides:

Advertisements

Similar presentations

BTT 101 / 2O1 Lesson 10 Dundas Valley Secondary Mr. Young.

Advertisements

TECHNOLOGY GUIDE 5 Basics of the Internet and the World Wide Web.

Getting on the Internet

Technology Infrastructure: The Internet and the World Wide Web

3 C H A P T E R © 2001 The McGraw-Hill Companies, Inc. All Rights Reserved1 Getting Connected  First,you need to subscribe to an Internet service provider.

99 CHAPTER COMMUNICATIONS AND NETWORKS. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 9-2 Competencies Discuss connectivity, the wireless.

Chapter 3: The Internet and the World Wide Web

1 Chapter 19 Networks. 2 What’s Inside and on the CD? In this chapter you’ll learn: –Basic network terminology –To identify network components –About.

Professor Michael J. Losacco CIS 1150 – Introduction to Computer Information Systems Communications and Networks Chapter 8.

Computers © 2005 Prentice-Hall, Inc.Slide 1. Computers Chapter 6 Networks and Networking © 2005 Prentice-Hall, Inc.Slide 2.

Lecture 1 Internet Overview: roadmap 1.1 What is the Internet? 1.2 Network edge  end systems, access networks, links 1.3 Network core  network structure,

Lecture Chapter 1: roadmap 1.1 What is the Internet? 1.2 Network edge  end systems, access networks, links 1.3 Network core  network structure,

1 Networks and Internet Objectives Understand basic concepts in Networking Network Types Understand basic concepts in Internet Internet Services Become.

Chapter 9 Using Telephone and Cable Networks for Data Transmission Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or.

11 Networks The Great Information Exchange. 2 Networking Fundamentals Computer network: Two or more computers connected together Each is a Node Benefits.

CHAPTER Copyright 2003 The McGraw-Hill Companies, Inc.Copyright 2003 The McGraw-Hill Companies, Inc. 1 Connectivity, the Wireless Revolution, and Communications.

COMMUNICATIONS AND NETWORKS

Lecture 03 Going Online Topics Basics Connecting to the Internet World Wide Web Internet Applications Internet Ethics © 2005 Prentice-Hall, Inc.Slide 1.

Internet Basics 1 Internet Basic includes two lessons:  Lesson 1: The Internet  Lesson 2: The World Wide Web.

Going Online Chapter 3a. Connectivity Computer strength Ability of computers to communicate with each other at computer speeds Ultimate example is Internet.

A global, public network of computer networks. The largest computer network in the world. Computer Network A collection of computing devices connected.

* The Internet’s genesis - Defense Department project to create a network that could survive a nuclear conflict * The first users - Government agencies.

Connecting to the Internet Mrs. Wilson Internet Basics & Beyond RPHS.

Computer Concepts 2014 Chapter 6 The Internet. 6 Chapter Contents  Section A: Internet Technology  Section B: Fixed Internet Access Chapter 6: The Internet2.

The Internet. What is the internet? a vast network designed to transfer data from one computer to another.

Computer Networking Part 1 CS 1 Rick Graziani Cabrillo College Fall 2005.

The Internet, Intranets, & Extranets Chapter 7. IS for Management2 The Internet (1) A collection of networks that pass data around in packets, each of.

The Information Superhighway. An Information Infrastruture.

Connecting one computer to another computer creates a network.

Lesson 2 — The Internet and the World Wide Web

Web Mastering Module Internet Fundamentals. What is the Internet? –Global network of networks –Communicating using same set of rules (protocols/languages)

Communications and Networks © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013.

Introduction to ICT and Programming Lecture # 3 : Internet & World Wide Web.

The Internet & the World Wide Web

BIS100 Chapter-3 Prepared By: Mrs. Shanu Joseph1 Chapter 3: Going Online Computers Larry Long & Nancy Long © 2005 Prentice-Hall, Inc.

Communications and Networks Chapter 9. CE06_PP09-2 Competencies (Page 1 of 2) Discuss connectivity, the wireless revolution, and communication systems.

Communications and Networks Chapter 8. 2 Introduction We live in a truly connected society. Increased connectivity potentially means increased productivity,

Copyright © 2002 Pearson Education, Inc. Slide 3-1 CHAPTER 3 Created by, David Zolzer, Northwestern State University—Louisiana The Internet and World Wide.

Communications, Networks, the Internet and the World Wide Web Chapter 2.

Electronic Communications Electronic communications describes a process in which two or more computers or devices transfer data, instruction, and information.

Computers © 2005 Prentice-Hall, Inc.Slide 1. Computers Chapter 3 Going Online © 2005 Prentice-Hall, Inc.Slide 2.

Chapter 7 Connecting to the Internet. Connecting to the Internet FAQs: – What is the Internet? – What are the options for Internet service? – What is.

IT Introduction to Information Technology. The Internet & World Wide Web Began in 1969 with the ARPANET (Advanced Research Project Agency Network)

15-1 Networking Computer network A collection of computing devices that are connected in various ways in order to communicate and share resources.

The Internet. Network - Collection of computers and devices connected together via communications devices Internet - Worldwide collection of networks.

The Internet TexPREP Summer Camp Computer Science.

Communication, Networks, The internet and the Worldwide Web.

Networks CS105. What is a computer network? A computer network is a collection of computing devices that are connected in various ways so that they can.

Chapter 1 What is the Internet?. The Wired World of the Internet Who runs the Internet? Collection of thousands of networks RFCs, users’ agreement about.

Chapter 7 Connecting to the Internet. 2Practical PC 5 th Edition Chapter 7 Getting Started In this Chapter, you will learn: − What is the Internet − Options.

Chapter 6 Data Communications. Network Collection of computers Communicate with one another over transmission line Major types of network topologies What.

INTERNET. Objectives Explain the origin of the Internet and describe how the Internet works. Explain the difference between the World Wide Web and the.

The Internet Teaching Learning Seminar Computer Studies.

The World Wide Web 1. Structure for the Internet The Internet is organized around four network access points (NAPs). A different company operates each.

1 st Semester, Batch 2014 CS-114: Introduction to Computer Science LECTURE-3 THE INTERNET AND WORLD WIDE WEB.

What is the Internet? A world-wide computer network made up of tens of thousands of smaller networks. It’s the biggest network of all! So, what is a network?

Internet Essentials. The History of the Internet The Internet started when the Advanced Research Projects Agency (ARPA) of the United States Defense Department.

Internet Infrastructure Mapping the World Wide Web.

Chapter 2 Communications, Networks, the Internet, and the World Wide Web.

Internet Technologies Mr. Grimming. Internet Applications File Transfer World Wide Web E-commerce Searches Voice over Internet Protocol Video over.

Chapter 9 Communications and Networks McGraw-Hill/Irwin Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved.

3 Internet Basics Internet is a collection of local, regional, national and international computer networks that are linked together to exchange data.

99 CHAPTER COMMUNICATIONS AND NETWORKS. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 9-2 Competencies Discuss connectivity, the wireless.

Chapter Objectives In this chapter, you will learn:

ICT Communications Lesson 1: Using the Internet and the World Wide Web

Wednesday, September 19, 2018 What Is the Internet?

1 Introduction to the Internet.

E-commerce Infrastructure

Computers © 2005 Prentice-Hall, Inc. Slide 1.

Presentation transcript:

Computers © 2005 Prentice-Hall, Inc.Slide 1

Computers Chapter 3 Going Online © 2005 Prentice-Hall, Inc.Slide 2

Computers Chapter 3 – Going Online Objectives Understand the scope of the online world, including how to go online and understanding Internet addresses Utilize Internet browsers Access various Internet applications Be aware of critical Internet issues © 2005 Prentice-Hall, Inc.Slide 3

Computers Going Online The Internet Internet: worldwide collection of networks ARPANET: network for scientists that evolved into the Internet Internet backbone: major communications lines of the Internet © 2005 Prentice-Hall, Inc.Slide 4

Computers Going Online The Internet No one group controls the Internet Three Major Organizations: The Internet Society: Open development for the benefit of the public Internet Corporation for Assigned Names and Numbers (ICANN): Assign names and addresses World Wide Web Consortium (W3C): Creates technical specifications © 2005 Prentice-Hall, Inc.Slide 5

Computers Going Online Connecting to the Internet Bandwidth – amount of information that can be sent over the channel 56,000 bits per second (bps) 9M (millions of bits, or megabits per second) © 2005 Prentice-Hall, Inc.Slide 6

Computers Going Online Connecting to the Internet Broadband – high bandwidth Narrowband – low bandwidth © 2005 Prentice-Hall, Inc.Slide 7

Computers Going Online Connecting to the Internet Narrowband dialup service © 2005 Prentice-Hall, Inc.Slide 8

Computers Going Online Connecting to the Internet Broadband cable Modem: (1 to 10 Mbps) Digital Subscriber Line (DSL): upstream: 128Kbps to 1.5 Mbps downstream: 1.5 to 9 Mbps satellite upstream: 56 Kbps to 1.5 Mbps downstream: 400 Kbps to 1.5 Mbps wireless access points wireless LAN PC card Wireless fidelity (Wi-Fi) standards (IEEE communications standard) © 2005 Prentice-Hall, Inc.Slide 9

IEEE Standards IEEE b (Wireless-B): 11 Mbps, 300’ from access point IEEE a (Wireless-A): 54 Mbps, 50’ from access point IEEE g (Wireless-G): 54 Mbps, covers longer distance

Computers Going Online Connecting to the Internet Internet service provider (ISP): Colleges, Schools, Corporations, Communication companies ex. SBC Information service gateway: ex. AOL, MSN, CompuServe communications software (Interface with their information system) user ID and password Direct LAN connection T-1 line (1.544 Mbps) T-3 line ( Mbps) © 2005 Prentice-Hall, Inc.Slide 10

Computers Going Online Connecting to the Internet Transmission Control Protocol/Internet Protocol (TCP/IP) Protocol: set of rules for how computers communicate Packet: the part of a message that contains the data and the address the message is being sent to © 2005 Prentice-Hall, Inc.Slide 11

Computers Going Online Connecting to the Internet Point-of-presence (POP): an access point to the Internet: ISPs have many POPs for their clients (each with unique IP address) IP address Dynamic IP address © 2005 Prentice-Hall, Inc.Slide 12

Computers Going Online Connecting to the Internet No PC needed televisions: have built-in modems, browsers, and software, or in a Set-top Box video game consoles cellular phones Internet appliances: Internet access, , telephone, home organization applications © 2005 Prentice-Hall, Inc.Slide 13

Computers Going Online Retrieving and Viewing Information on the Internet Client program – Internet browser: runs on user’s computer Server program – runs on server computer © 2005 Prentice-Hall, Inc.Slide 14

Computers Going Online Retrieving and Viewing Information on the Internet Domain name: name or abbreviation of the name of the organization Uniform resource locator (URL): address of a web page © 2005 Prentice-Hall, Inc.Slide 15

Computers Going Online Retrieving and Viewing Information on the Internet URL access protocol domain name top-level domains: denote affiliation.com.edu folder filename © 2005 Prentice-Hall, Inc.Slide 16