Which of the following operating systems is not owned and licensed by a company?

The date and time displays on ?

A ............ can be defined as a file that is associated with a program ?

A ..... is a window component that is designed to store other components so these can be organized efficiently ?

Which of the following operating systems do you use for a client-server network ?

To select a menu item ?

Which of the following is not an operating system?

Word processing software allows to text with a minimum of effort ?