import{_ as r}from"./chunks/PageInfo.vue_vue_type_script_setup_true_lang.65c6b98c.js";import{_ as a,o as l,c as s,k as i,a as o,E as n,O as c}from"./chunks/framework.c989bd33.js";import"./chunks/commonjsHelpers.725317a4.js";const k=JSON.parse('{"title":"CIS105: Computer Applications & Information Systems Lect. 9","description":"","frontmatter":{},"headers":[],"relativePath":"academic/cis105/cis105-l9-lecture-note.md","filePath":"academic/cis105/cis105-l9-lecture-note.md","lastUpdated":1726417910000}'),d={name:"academic/cis105/cis105-l9-lecture-note.md"};function u(h,e,m,p,b,f){const t=r;return l(),s("div",null,[e[0]||(e[0]=i("h1",{id:"cis105-computer-applications-information-systems-lect-9",tabindex:"-1"},[o("CIS105: Computer Applications & Information Systems Lect. 9 "),i("a",{class:"header-anchor",href:"#cis105-computer-applications-information-systems-lect-9","aria-label":'Permalink to "CIS105: Computer Applications & Information Systems Lect. 9"'},"")],-1)),n(t,{readTime:"2",words:"426"}),e[1]||(e[1]=c('Chapter 9: Internet
9.1: Internet History
- 1969: University of California Los Angeles (UCLA) created the Advanced Research Project Agency Network (ARPANET)
- 1989: Hypertext Transfer Protocol (HTTP) / World Wide Web (WWW)
- 1993: Hypertext Markup Langauge (HTML)
9.2: Internet and WWW Structure
- he internet is a network called the Client/Server Model
- The browser application software interprets HTML and HTTP to create web pages
- Everything on the internet lives somewhere physically; the trick is using computer addresses to send info from one place to another
9.3: Internet Addresses
- Internet Protocol Address (IP): An address system used to identify and communicate through the network
- Uniform Resource Locators (URLs)
https://asu.eduhttps: refers to standard protocolwww: refers to the world wide webCanvas.asu: domain name.edu: a top-level domain code or extension
9.4/9.5: Websites/Browsers
- Website: A collection of web pages on a server that exists on the web that can be requested by a client and displayed with a browser
- Hyperlink: Clickable navigation element
- Browser: An application software that provides an interface for the WWW
- Aspects of a good website:
- Content
- Interactivity
- Design
9.6: Browser Features
- Common Browser Features
- Bookmarks: AKA favorites
- Caching: Just like a CPU cache on the internet
- Cookies: Text files used to track info about users
- Graphics File (GIF, JPEG): Images and videos
- Javascript: A programming language
- Used to make websites dynamics; Ex: Countdown timer
- Browser Considerations:
- Security
- Popup Blockers
- Usability
9.7: Internet Service Providers (ISP)
- Connectivity: When one computer connects to another and shares info & resources
- Internet Service Providers (ISP)
- Dial-up & Digital Subscriber Line (DSL)
- Broadband Internet Access
- Web Hosting
9.8: Search Engines
- Search engine: A website that lets a user type in specific key words or phrases and then return a list of hyperlinks that best match the search criteria
- Google, Bing, Yahoo
- Directory searches
- Metasearch Engines
9.9: E-Commerce
- Electronic Commerce (E-Commerce): The distribution, buying, selling, advertising, and marketing of goods and services over the web
- Business-to-Business (B2B)
- Business-to-Consumer (B2C)
- Consumer-to-Consumer (C2C)
- The rules of business still apply to online environments
9.10: Security
- Malware: Software designed to damage a computer's system without the owner's knowledge
- Virus
- Worms
- Trojan Horse
- Spyware
- Adware
9.11/9.12: Email/Email Security
- Email: "A store and forward" system of composing, sending, storing, and receiving message over electronic communication systems.
- Never send an email you wouldn't be willing to say in public
- Phishing: An email that looks official but is malicious in nature
- Spam: Unwanted mail
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