For temporarily sharing your computer. Has very limited access to files and settings.

A normal account for day-to-day use. Can’t accidentally (or purposely!) mess up the system.

A profile for logging into a system. Can be an administrator (full control) or standard user (limited).

Audio from multiple speakers positioned around you. 5.1, 7.1, Dolby Atmos are popular setups.

High Dynamic Range. Heightens a picture’s dynamic range (contrast) for richer, more detailed images.

How many times per second a screen completely redraws itself. Higher rates mean smoother motion.

The number of pixels in an image or video frame. Higher resolutions mean more detail.

Playing media in real-time as it’s sent over the internet. Services like Spotify and Netflix use streaming.

Copying audio or video data from one format to another, like CD tracks to MP3 files.

Adding random data to a hash to make it harder to crack. A pinch of salt keeps your hash secure!