Tell one port from another
Look at the edge of a device and name what each socket takes.
A port is a socket on the outside of a device. The shape decides what fits and what it is for.
They differ because they were invented at different times, for different work.
Key points
- A port is a socket, and its shape decides what fits
- The shapes differ because each was invented for a different job
What to remember
- The right plug goes in with no force.
- The right plug goes in without force, or it is the wrong one.
Try this
Look along the edge of your own laptop and name each socket. USB-C is the small oval.
Practice: Tell one port from another. Your first lesson is free, with no account or card; the rest are part of a Lantern plan. Interactive lessons require JavaScript.