Internet and Web Services • Search engines and browsers • Email setup and etiquette

DIGITAL TECHNOLOGY: Internet and Web Services

Hello J.S.S. 2 students! Today, we will explore how the internet works, the tools we use to find information, and how to communicate politely using email.

Core Concepts

The Internet and Web Services

The Internet is a massive, global network that connects billions of computers and devices worldwide. Think of it as a huge spiderweb or a vast road system that allows information to travel from one part of the world to another in seconds. It is a network of networks.

Web Services are the many things we can do on the internet. These include browsing websites, sending emails, watching videos, listening to music, playing online games, and even shopping. The internet makes all these services possible.

Web Browsers

A web browser is a special software application that allows you to access and view information on the World Wide Web. It acts like a window through which you can see different websites. Without a browser, you cannot visit websites.

Common examples of web browsers include Google Chrome, Mozilla Firefox, Microsoft Edge, and Apple Safari. When you type a website address (like www.google.com) into your browser, it fetches the page and displays it for you.

Search Engines

A search engine is a website that helps you find information on the internet. It works by looking through billions of web pages to find ones that match the keywords you type in. You use a search engine through a web browser.

Popular search engines are Google, Bing, and Yahoo. When you want to find information, you open your web browser, go to a search engine, type your question or keywords, and the search engine gives you a list of links to relevant websites.

Email Setup

Email (Electronic Mail) is a way to send and receive messages digitally over the internet. It's like sending a letter, but much faster and paperless. To use email, you need an email address, which usually looks like [email protected].

To set up an email account, you need to choose an email provider like Gmail (Google Mail) or Yahoo Mail. You will typically visit their website, click "Sign Up" or "Create Account," and then follow the steps to choose a username and password, and provide some personal details. Make sure to choose a strong password that is hard for others to guess.

Email Etiquette

Email etiquette refers to the rules of polite and effective communication when sending emails. Following these rules makes your messages clear, professional, and respectful.

Here are some important rules:

• Clear Subject Line: Always use a short, clear subject line that tells the recipient what the email is about (e.g., "Homework Question - JSS 2 Digital Tech").
• Polite Greetings: Start your email with a polite greeting, such as "Dear Mr./Mrs. [Teacher's Name]" or "Hello [Friend's Name]".
• Use Proper Language: Write in clear, simple English. Avoid slang or abbreviations that the recipient might not understand.
• Check for Errors: Always proofread your email for spelling and grammar mistakes before sending it.
• Be Concise: Get straight to the point. Long emails can be difficult to read.
• Avoid ALL CAPS: Writing in all capital letters is seen as shouting and is considered rude.
• Polite Closing: End your email with a polite closing, such as "Thank you," "Regards," or "Sincerely," followed by your name.

Real-World Example: When you research a school project about Nigerian history, you use a web browser like Chrome to access a search engine like Google. You type in "History of Nigeria" and then click on a relevant link to read about it.

Practice/Reflection: Imagine you need to send an email to your teacher asking for clarification on a homework assignment. What would you write in the subject line, greeting, body, and closing of your email to show good etiquette?