Which kind of devices uses radio waves to transport data?

Which is a benefit of getting information from a government website? a. the information will be easy to understand. ob. the information will be the most current. oc. the information can be trusted.

In a file-oriented information system, a work file stores relatively permanent data about an entity is created and saved for backup and recovery purposes stores records that contain day-to-day business and operational data is a temporary file created by an information system for a single task

What a backup plan that you have created in a event you encounter a situation