From 820ad72d9c1759a227e1f1c6b1a51a0efa0566b9 Mon Sep 17 00:00:00 2001
From: "@andatoshiki" <hello@toshiki.dev>
Date: Tue, 12 Mar 2024 11:13:21 -0700
Subject: [PATCH] doc(cis105): add lecture note documentation for lecture 9 of
 cis105 for keeping note list up to date

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+# CIS105: Computer Applications & Information Systems Lect. 9
+
+## 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.edu`
+    -   `https`: refers to standard protocol
+    -   `www`: refers to the world wide web
+    -   `Canvas.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
+        -   Ex: Dogpile
+
+### 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