The smallest unit of data. It’s either a 1 or a 0, corresponding to an electrical switch being on or off.

The smallest unit of data. It’s either a 1 or a 0, corresponding to an electrical switch being on or off.

Accessing a computer over a network. Can be handy but also opens security holes if not set up right.

Accessing a computer over a network. Can be handy but also opens security holes if not set up right.

Features that restrict content and computer use. Handy for protecting kids online.

Features that restrict content and computer use. Handy for protecting kids online.

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

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

Like a super user. Has permission to install programs and change system settings.

Like a super user. Has permission to install programs and change system settings.