This document discusses different types of computer hardware, software, and operating systems. It mentions computer boxes, keyboards, and software like PowerPoint and MS Office as examples of hardware and software. It defines system software as operating systems and lists Windows 7, 8, and XP as examples of operating systems. Application software is defined as programs like MS Office and PowerPoint.

2.  HARDWARE AND
 SOFTWARE :- FOR
 EXAMPLE
COMPUETR
 BOX , KEYBOARD
 BOX AND S/W
 POWER POINT AND
 MS OFFICE

3.  SYSTEM SOFTWARE :- OPERTING SYSTEM

4.  APPLICATION SOFTWARE :- MS OFFICE AND
POWER POINT

5.  OPERATING SOFTWARE :- WINDOW 7 ,
 WINDOW 8 , WINDOW XP