GOLDEN STARS MONTESSORI ACADEMYCalibri;
DIGITAL TECHNOLOGY
JSS2 Class Note
Topic: Review of JSS1 Work - Recap of Hardware, Software, and Online Safety
Core Concepts
Welcome to JSS2 Digital Technology! This term, we'll build on what you learned in JSS1. Digital Technology is all about using computers and other electronic devices to process information. To use these tools effectively, it's important to understand their basic parts, how they work, and how to stay safe while using them, especially online.
Key Points
Hardware refers to the physical parts of a computer system that you can touch and see. Think of them as the 'body' of the computer. Without hardware, software cannot run.
Examples of Hardware:
Monitor: Shows you what the computer is doing.
Keyboard: Used for typing letters, numbers, and symbols.
Mouse: Used to point and click on items on the screen.
Central Processing Unit (CPU): The 'brain' of the computer; it processes all instructions.
Printer: Produces hard copies of documents and images.
Speakers: Produce sound from the computer.
Categories of Hardware:
Input Devices: Allow you to send data to the computer (e.g., Keyboard, Mouse, Microphone, Scanner).
Output Devices: Display or send out data from the computer (e.g., Monitor, Printer, Speakers).
Processing Devices: Carry out instructions and calculations (e.g., CPU).
Storage Devices: Store data permanently or temporarily (e.g., Hard Drive, USB Flash Drive, CD/DVD).
Software refers to the set of instructions or programs that tell the hardware what to do. It's like the 'mind' or 'spirit' of the computer. You cannot touch software, but you can see its effects on the screen.
Examples of Software:
Microsoft Word: For typing and editing documents.
Google Chrome / Mozilla Firefox: For browsing the internet.
WhatsApp: For sending messages and making calls.
Paint: For drawing and editing images.
Categories of Software:
Operating System (OS): This is the most important software. It manages all the computer's hardware and software. Examples include Windows, macOS, Linux, Android, and iOS.
Application Software: These are programs designed to perform specific tasks for the user. Examples include word processors (Word), spreadsheets (Excel), web browsers, games, and photo editors.
Online safety, also known as internet safety or cyber safety, means protecting yourself, your information, and your devices when you are using the internet. It's crucial because the internet can have risks like fraud, cyberbullying, and harmful content.
Key Online Safety Practices:
Keep Personal Information Private: Never share your full name, address, phone number, school name, or photos with strangers online. Once information is online, it's hard to remove.
Use Strong Passwords: Create passwords that are long and mix uppercase and lowercase letters, numbers, and symbols. Don't use easy-to-guess information like your birthday or name. Use different passwords for different accounts.
Think Before You Click: Be careful about clicking on links from unknown senders or downloading files from untrusted websites. They might contain viruses or lead to scams.
Be Mindful of What You Share: Everything you post or share online can be seen by many people and can stay there forever. Be kind and respectful.
Report Cyberbullying: If someone is bothering or hurting you online, tell a trusted adult immediately (parent, guardian, teacher).
Use Privacy Settings: On social media and other platforms, adjust your privacy settings to control who can see your posts and personal information.
Ask for Permission: Always ask your parents or guardians before signing up for new websites or apps, meeting online friends in person, or making online purchases.
Summary
Understanding hardware, software, and online safety are fundamental skills for anyone using digital technology. Hardware is the physical equipment, software provides the instructions, and online safety ensures you use the internet responsibly and securely. Mastering these basics will help you navigate the digital world effectively and protect yourself from potential harm as you continue your journey in Digital Technology.