Volume 1: Foundations: How Everyday Technology Works4/10
  1. 01Digital Foundations 1-10
  2. 02Computer Hardware 11-20
  3. 03Operating Systems 21-30
  4. 04Internet and Networks 31-40
  5. 05The Web 41-50
  6. 06Programming 51-60
  7. 07Data and Databases 61-70
  8. 08Cloud and Modern Infrastructure 71-80
  9. 09Cybersecurity 81-90
  10. 10AI and Emerging Technology 91-100

Chapter 04 of 10

Internet and Networks 31-40

10 lessons66 min readingParts 31-40
  1. 01What Is a Computer Network?How do separate devices exchange information?7 min read
  2. 02LAN, WAN, and the InternetHow is a home network different from the internet?7 min read
  3. 03Packets: How Data TravelsWhy is internet data split into small pieces?7 min read
  4. 04IP AddressesHow does a network know where to deliver a packet?6 min read
  5. 05IPv4 and IPv6Why does the internet use two kinds of IP address?6 min read
  6. 06Routers and RoutingHow does data find a path across many networks?7 min read
  7. 07Modems and Internet ProvidersWhat connects a home or office to the wider internet?7 min read
  8. 08Wi-Fi ExplainedHow does data move through the air without cables?6 min read
  9. 09Bandwidth, Latency, and JitterWhy can a fast connection still feel slow during a call or game?6 min read
  10. 10Ports and Network ConnectionsHow can one computer run web, email, and other services at the same address?7 min read