Reverses the undo to restore a change. Not as common as undo since mistakes are more frequent.

A small, portable SSD that plugs into a USB port. Great for moving files between PCs.

Plain unformatted text. TXT files are the universal standard.

Defines which part of an IP address identifies the network and which part identifies the device.

A website that finds other websites based on keywords.

Watching a video or listening to audio in “real-time”, as it’s sent to you, rather than downloading first.

A marketing buzzword for services provided over the internet, rather than locally on your device.

Paying a company to store your website’s files and data on a server so it’s accessible 24/7.

A powerful computer that stores websites and apps, “serves them up” to client devices upon request.

A unique string of numbers that identifies each device on a network. Like a virtual return address.