PPT-Internet Search

Lecture 3 What is Internet Search A Web search engine is a tool designed to search for information on the World Wide Web Browsing the Internet for information with the use of a search engine like Yahoo or Google. Hardware. Internet & WWW. Outline. Hardware. System Unit . CPU. Memory . Ports. Internet . Internet services. WWW. Types of Sites. E-Commerce . Search Operators. Internet Security. 2. 3. Hardware. internet. By: Khalid Abu Jamhoor. CONTENTS. HOME. WHAT IS THEINTERNET. Who owns the interne. t. How to connect to the internet. Web browser. WORLD WIDE WEB. TCP. Internet address. Web . adress. Define the terms 2. Use Internet . Explorer . 8.0. Navigate Using Hyperlinks. Search for Specific . Sites. Use a Metasearch . Engine. Complete Advanced . Searches. Download Images, Text, and Web . Pages. CHECKPOINT. Quick Links to Presentation Contents. Learning Objectives. Explain the origins of the Internet and the w. eb. .. Explain how to access the web using providers and browsers. Compare different web utilities including plug-ins, filters, file transfer utilities, and Internet security . Internet Basics. The Internet – connection of billions of computers using the Internet Protocol communication rules.. Computers send . packets. , chunk of data that has an address for the destination, an address for the source, the data and info about the data. Packets are also numbered in order so that when they are received at the destination, they can be reassembled into a message.. Identify your . operating system. Shutdown, restart and log off. Open, close and. . switch . between windows. Minimize. and. maximize . windows. Identify the . toolbar. Identify the . taskbar. Start and exit programs. Internet & WWW. The Internet and the World Wide Web (WWW) are not the same.. The Internet is a vast network of computer linked together globally. . The Internet is what we use to get onto the WWW. The WWW is just a portion of . Search. . Engines. Robots . (“Spiders, . Webcrawlers. ”). No more human selection. Collection rather than selection—everything on the Web is included in a search. Show Google and show number of sites indexed (at bottom of front page) and number of hits for a key word (e.g. “Columbus”).. 2. Learning Objectives. Explain the origins of the Internet and the w. eb. .. Explain how to access the web using providers and browsers.. Compare different web utilities including plug-ins, filters, file transfer utilities, and Internet security suites.. Topics. What is the Internet. When did the Internet start. Why did the Internet start. Some Internet applications. The World Wide Web. Search Engines. Ethics. What is the Internet. The Internet. is a collection of computer networks that have agreed to interact with one another.. Computer Networks. Networks can of course be wired (requires physical connections) or wireless.. Computers (and now other devices such as mobile phones) that are connected via special hardware and a specific means of communication (“network protocol”).. What Is The Web?. First Things First. Introducing the Internet. Google Confidential and Proprietary. What is the Internet?. The internet is a global network of computers. It is millions of computers around the world, all connected.. Describe web browsers and their uses.. Identify screen components of Internet Explorer.. Objectives. Identify the basic parts of the World Wide Web.. Identify the components of a URL. . Conduct effective Internet . The Internet. is the world’s largest computer network,. offering the ability to communicate through text, sound and image.. The applications of the Internet that have become the most widespread are the .