Informatics — Grade 10
Computer networks, internet services, information security, the basics of encryption and building web pages (HTML, CSS).
- 11 topics
- 3 chapters
- 19 min
Topics
Topics are grouped into chapters and listed in reading order.
11 topics
- 1
What is a network: local and global
A computer network lets devices exchange data and share resources. You will learn how local (LAN) and global (WAN) networks differ and how the internet is built.
Chapter 1. Computer networks1 min
- 2
IP addresses and domain names
Every network device has an IP address, but people use domain names. You will see how DNS turns a name into an address and how IPv4 differs from IPv6.
Chapter 1. Computer networks2 min
- 3
Network Topologies and Devices
Computers in a network are connected in different layouts. We study star, bus and ring topologies and devices such as the modem, router and switch.
Chapter 1. Computer networks1 min
- 4
Internet Services: the Web, Email and Search
The internet is the network, and services are what it can do. We study the World Wide Web, email and search engines, and how to use them effectively.
Chapter 1. Computer networks1 min
- 5
Passwords and two-step verification
You will learn to choose a strong password, use a password manager and enable two-step verification, and you will see why these rules protect your account.
Chapter 2. Information security2 min
- 6
Malware and Antivirus Software
Viruses, worms and trojans harm a computer. We study types of malware, how it spreads and how to protect ourselves with antivirus software.
Chapter 2. Information security2 min
- 7
Basics of Encryption: the Caesar Cipher
Encryption turns information into a form that outsiders cannot read. Using the ancient Caesar cipher we learn the ideas of key, encryption and decryption.
Chapter 2. Information security2 min
- 8
Personal Data and Digital Safety Habits
The traces we leave on the internet are kept for a long time. We learn rules for protecting personal data, communicating safely on social networks and resisting cyberbullying.
Chapter 2. Information security2 min
- 9
HTML Basics: Your First Web Page
HTML is a language that describes the structure of web pages. Using tags we create a heading, paragraphs and lists and build a simple web page.
Chapter 3. Creating web pages2 min