If an Operating System can work more than one program at the same time, then it is called_______.

A small program that corrects, fix, update or enhances existing software is called________.

The __________ file is created when working with in an application.

In ____________ state, your PC saves its current state to your hard drive, essentially dumping the contents of its memory to a file. When reboot, it loads the previous state from your hard drive back to memory. 

In Window’s Control Panel settings, Which category is used to add, manager user account.

The file type determines the type of data in the file.

The purpose of Operating System is to operate and control computer hardware and user interface between computer and user.

Android, iOS and Windows Phone Operating Systems are called______.

If file is deleted and sent to the Recycle Bin, it cannot be retrieved. 

All computer operating systems are not considered multiuser operating systems.