AI engineering glossary · Computing foundations
What is localhost?
Localhost (also called 127.0.0.1): The special name for the computer you are currently using, which resolves to the address 127.0.0.1. Developers use it to run and test servers on their own machine without any outside network access.
Localhost: an example
Running a development server and opening localhost:8000 in the browser shows the app on your own machine.
Related terms
More Computing foundations terms
- Logic gate
- Loopback interface
- MAC address
- Machine code
- Machine epsilon
- Memory bandwidth
- Memory hierarchy
- Memory leak
Where you learn it
Localhost is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.