IB Digital Society 3.4A Types of Computing Networks Key Definitions

A shared, append-only record made of blocks linked by cryptographic codes, so that any later tampering is easy to detect and the data stays trustworthy without a central authority.

Two or more devices linked together so they can share data and resources.

A network connecting devices within a single site, such as a home, school, or office.

A network in which devices connect directly and share resources as equals, with no central server.

The global network of networks that links billions of devices worldwide using shared standards.

A network spanning a large area, linking devices across cities or countries; the internet is the largest one.