IT Term 4 Everything (1) PDF

**Module 3.1: Networks** ------------------------ ### **What is a Network?** A network is a group of computers and devices connected together to share information. Think of it like a group of friends passing notes in class. ### **Reasons for Having a Network** - - - ### **Disadvantages o...

**Module 3.1: Networks** ------------------------ ### **What is a Network?** A network is a group of computers and devices connected together to share information. Think of it like a group of friends passing notes in class. ### **Reasons for Having a Network** - - - ### **Disadvantages of Having a Network** - - - ### **Components of a Network** - - - ### **Types of Networks** - - ### **Client-Server vs. Peer-to-Peer** - - ### **Access Control When Logging into a Network** Access control is like having a secret password to enter a club. It ensures only authorized users can access the network, protecting sensitive information. **Module 3.2: Electronic Communication** ---------------------------------------- ### **Applications to Facilitate E-communication** There are many tools that help us communicate electronically, such as: - - ### **Practical Use of E-mail** Using email for schoolwork can help you send assignments to your teachers or communicate with classmates, making collaboration easier. **Module 3.3: Internet and WWW** -------------------------------- ### **What is the Internet?** The internet is a vast network of computers all over the world, allowing people to connect and share information. It's like a giant spider web connecting everyone. ### **What is Needed to Connect to the Internet?** To get online, you need: - - - ### **The World Wide Web** The World Wide Web (WWW) is a part of the internet that contains websites and pages you can visit. It's like a huge library where you can find information, play games, and watch videos. When you type in a web address, you're finding a specific book in that library! **Module 3.1: Networks** ------------------------ ### **What is a Network?** A network is a group of computers and devices connected together to share information. Think of it like a group of friends passing notes in class. ### **Reasons for Having a Network** - - - ### **Disadvantages of Having a Network** - - - ### **Components of a Network** - - - ### **Types of Networks** - - ### **Client-Server vs. Peer-to-Peer** - - ### **Access Control When Logging into a Network** Access control is like having a secret password to enter a club. It ensures only authorized users can access the network, protecting sensitive information. **Module 3.2: Electronic Communication** ---------------------------------------- ### **Applications to Facilitate E-communication** There are many tools that help us communicate electronically, such as: - - ### **Practical Use of E-mail** Using email for schoolwork can help you send assignments to your teachers or communicate with classmates, making collaboration easier. **Module 3.3: Internet and WWW** -------------------------------- ### **What is the Internet?** The internet is a vast network of computers all over the world, allowing people to connect and share information. It's like a giant spider web connecting everyone. ### **What is Needed to Connect to the Internet?** To get online, you need: - - - ### **The World Wide Web** The World Wide Web (WWW) is a part of the internet that contains websites and pages you can visit. It's like a huge library where you can find information, play games, and watch videos. When you type in a web address, you're finding a specific book in that library **Module 3.4: Web Page Technology** ----------------------------------- ### **Introduction** Web page technology is all about creating and displaying content on the internet. It's how websites come to life! ### **What is a Web Page?** A web page is a single document that you can view in a web browser. Think of it like a page in a book, but instead of paper, it's on your screen. ### **HTML (HyperText Markup Language)** HTML is the code used to create web pages. It tells the browser how to display text, images, and links. Imagine it as the blueprint for building a house---without it, there's no structure! ### **Basic Formatting Tags** HTML uses tags to format content. Here are a few examples: - - - ### **Characteristics of a Well-Designed Web Page** A well-designed web page is: - - - **Section 4: Data and Information Management Explained for Teens** ================================================================== **Module 4.1: Data as the Computer Sees It** -------------------------------------------- ### **Number Systems** Computers use different number systems to process information. The most common are: - - ### **Data Storage** Data storage is how computers keep information safe and accessible. It's like a library where books (data) are organized and stored on shelves (storage devices) for easy access. **Module 4.2: File Management** ------------------------------- ### **Introduction** File management is about how we organize and store our digital files on a computer. ### **The File Manager** The file manager is a tool that helps you see and organize your files. It's like your digital filing cabinet, allowing you to find what you need quickly. ### **Files: The Basic Unit of Storage** A file is a collection of data stored together. It can be a document, picture, or video---like a folder that holds important papers. ### **The Need to Organize** Just like keeping your room tidy helps you find your stuff easily, organizing files makes it simpler to access what you need on your computer. **Section 5: Social Implications Explained for Teens** ====================================================== **Module 5.1: Social, Ethical, and Legal Issues Surrounding ICTs** ------------------------------------------------------------------ ### **Introduction** As we use technology, we face various social, ethical, and legal challenges that we need to understand. ### **EULAs, Copyright, and Piracy** - - - **Module 5.2: Green, Health, and Global E-Communication Issues** ---------------------------------------------------------------- ### **Ergonomics and Health Issues** Ergonomics is about designing workspaces to prevent strain and injury. Using a proper chair and desk setup can help you stay comfortable while working on a computer. ### **The Need for Green Computing** Green computing focuses on reducing the environmental impact of technology, like recycling old devices and using energy-efficient products. ### **The Impact of Global E-Communication** Global communication through the internet allows us to connect with people worldwide, but it also raises issues like cultural differences and digital divides. **Module 5.3: Safe Internet and Email Use** ------------------------------------------- ### **Introduction** Staying safe online is essential to protect your information and devices. ### **Viruses** Viruses are harmful programs that can damage your computer, like getting a cold that makes you feel sick. ### **Computer Worms** Worms spread across networks, replicating themselves and causing damage, similar to how a rumor spreads in school. ### **Trojans** Trojans disguise themselves as useful software but can harm your computer, like a wolf in sheep's clothing. ### **Spyware** Spyware secretly monitors your activity, like someone watching over your shoulder without you knowing. ### **Adware** Adware shows unwanted ads, often slowing down your computer, like a friend who keeps trying to sell you stuff you don't want. ### **Spam** Spam is junk email that clutters your inbox and can be annoying, like receiving unsolicited flyers in your mailbox. ### **Hoaxes and Scams** Hoaxes are false messages that trick people, while scams are attempts to steal personal information, like a con artist trying to fool you. ### **Phishing** Phishing is when someone pretends to be a trustworthy source to steal your information, like someone pretending to be your friend to get your secrets. ### **Pharming** Pharming redirects you from a legitimate website to a fake one, tricking you into giving away personal details. ### **Email Spoofing** Email spoofing is when someone sends an email that looks like it's from someone else, like a prankster impersonating a teacher. ### **Guidelines for Using the Internet and Email with Courtesy and Safety** - - - **Appendix: Connectors on a Computer** ====================================== Connectors are ports and cables that allow different devices to connect to your computer. Here are some common ones: - - - - - - - - - - - - - ### **Question 3: Communication and Network Technologies (20 Marks)** This part covers how computers communicate with each other: - - - - - - - - - ### **Question 4: Data and Information Management (20 Marks)** This section is about how data is handled: - - - - - - - - ### **Question 5: Solution Development (20 Marks)** This part looks at how to create software solutions: - - - - - - ### **Question 6: Integrated Scenario (20 Marks)** This final section ties everything together with real-world applications: - - - - - - - -