Which type of computer memory is volatile and loses its contents when power is turned off?

Which one is used to open a document or program?

What is backup?  

What defines the interaction between a computer and its user, enabling them to execute tasks?

A web address is also known as

A software used to create, maintain and control access to databases is known as:

Which is not a storage device?

Which keyboard shortcut opens the Task Manager in Windows operating systems?

What is the shortcut key for Slide Show in Powerpoint?

Shell and Kernel is a feature of _____.