1. SYSTEM SOFTWARE
1.1. UTILITY PROGRAM
1.1.1. DEFINITION
1.1.1.1. ALLOW USER TO PERFORM MAINTENANCE TYPE TASKS.
1.1.2. TYPES OF UTILITY
1.1.2.1. BUILT IN
1.1.2.1.1. windows exporer
1.1.2.1.2. disk cleanup
1.1.2.1.3. disk defragmenter
1.1.2.2. STAND ALONE UTILITY
1.1.2.2.1. Winzip
1.1.2.2.2. kaspersky
1.1.2.3. FILE MANAGER
1.1.2.4. DISK CLEANUP
1.1.2.5. COMPRESSION TOOLS
1.1.2.6. ANTI - VIRUS PROGRAM
1.1.2.7. SPYWARE REMOVER
1.1.2.8. DISK DEFRAGMENTER
1.1.2.9. BACK UP & RESTORE
1.2. OPERATING SYSTEM
1.2.1. DEFINITION
1.2.1.1. A SET OF PROGRAMS CONTAINING INSTRUCTIONS THAT COORDINATE ALL THE ACTIVITIES AMONG COMPUTER HARDWARE RESOURCES
1.2.2. TYPE OF OS
1.2.2.1. STAND - ALONE OPRATING SYSTEM
1.2.2.1.1. Windows XP
1.2.2.1.2. Vista
1.2.2.1.3. Mac OS
1.2.2.1.4. LINUX
1.2.2.2. NETWORK OPERATING SYSTEM
1.2.2.2.1. WindowS NT
1.2.2.2.2. Windows server 2000
1.2.2.2.3. Linux
1.2.2.2.4. UNIX
1.2.2.2.5. SOLARIS
1.2.2.3. EMBEDDED OPERATING SYSTEM
1.2.2.3.1. Windowa CE
1.2.2.3.2. Palm OS
1.2.2.3.3. Embedded Linux
1.2.3. PROPRIETTARY
1.2.3.1. LICENCE / PAID
1.2.4. OPEN SOURCE
1.2.4.1. FREELY
1.3. FUNCTION OF SOFTWARE
1.3.1. STARTING AND SHUT DOWN A COMPUTER
1.3.2. PROVIDE A USER INTERFACE
1.3.3. MANAGIING PROGRAMS
1.3.4. MANAGING MEMORY
1.3.5. CONFIGURING DEVICES
1.3.6. MONITOR PERFORMANCE
1.3.7. ESTABLISH AN INTERNET CONNECTION
1.3.8. COORDINATE TASK