Important diagrams

Serial vs Parallel data transmission

Simplex, Half duplex and Full duplex transmission

Automatic Repeat Request (ARQ)

Packet Switching (2023)

The Fetch Stage

Paging (Virtual Memory)

A web browser requests an IP address from a DNS 

A web browser requests a digital certificate to allow encrypted data transmission (SSL)

Cookies 

Blockchain

DDoS attack (2023) 

Firewall (2023)

Pharming (2023)

Automated Technologies

Data interception (2023)

Router (2023)

Payment transaction is made using digital currency and blockchain. (2024)

Diagram to show how the data is decoded once it has been fetched into the MDR (2024)