(i) Click the start button and then point to all programs. The program menu appears. Point to the group that contains the application you want to start and then click the application name.
(ii) Click Run on the start menu and type the name of the application and click ok.

(i) Search your Computer Icon
(ii) Files
(iii) Firefox Web browser
(iv) Libre Office Writer
(v) Libre Office Calc
(vi) Libre Office Impress
(vii) Ubuntu software icon
(viii) Online shopping icon
(ix) System settings icon
(x) Trash

Following are some of the important functions of an Operating System:
(i) Memory Management
(ii) Process Management
(iii) Device Management
(iv) File Management
(v) Security Management
(vi) Control overall system performance
(vi) Error detecting aids
(vii) Coordination between other software and users

(i) The opening screen of Windows is called "Desktop".
(ii) The desktop of your computer may look different
(iii) This is because Windows allows you to change the appearance of the desktop.
(iv) The desktop is the opening screen which consists of the icons as well as the Start button.
(v) The desktop can be used to store information temporarily or to move around documents and windows.

(i) An operating system (OS) is a software program that enables the computer hardware to communicate and operate with the computer software.
(ii) It also acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs.