_____ refers to a part of computer that u can touch or feel.

There are __________ types of operating system.

The horizontal bar at the bottom of the screen is ________.

Give an example of single user operating system.

__________Pane of the start menu has the shutdown button.

Which key on the keyboard is used to open the start menu?

(True or false)Start menu divided into 3 panes.

Double clicking the right mouse button can open any program on the desktop.

Linux is a single user operating system.

Identify the picture.

Which is the most popular operating system?

Which type of operating system should be installed at hospitals?

_____________ Stores a group of files.

________ option displays the complete list of programs in alphabetical order.