1. OPERATING SYSTEM
1.1. DEFINITION
1.1.1. AN OPERATING SYSTEM(OS) IS A SET OF PROGRAMS CONTAINING INSTRUCTIONS THAT WORK TOGETHER TO COORDINATE ALL THE ACTIVITIES AMONG COMPUTER RESOURCES
1.2. TYPES OF OS
1.2.1. STAND ALONE OPERATING SYSTEM
1.2.1.1. * COMPLETE OSTHAT WORKS ON A DESKTOP COMPUTER, MOBILE COMPUTING DEVICE
1.2.1.1.1. WINDOWS 10
1.2.1.1.2. UNIX
1.2.2. SERVER OPERATING SYSTEM
1.2.2.1. *AN OS THAT DESIGNED TO SUPPORT NETWORK
1.2.2.1.1. WINDOWS SERVER 2008
1.2.2.1.2. UNIX
1.2.3. MOBILE OPERATING SYSTEM
1.2.3.1. * AN MOBILE OS RESIDES ON A MOBILE DEVICE OR CONSUMER ELECTRONIC DEVICE
1.2.3.1.1. iPHONE OS
1.2.3.1.2. GOOGLE ANDROID
1.3. FUNCTIONS
1.3.1. START AND SHUTDOWN A COMPUTER
1.3.2. PROVIDE A USER INTERFACE
1.3.3. MANAGE PROGRAM
1.3.4. MANAGE MEMORY
1.3.5. ESTABLISH AN INTERNET CONNECTION
1.3.6. CONTROL A NETWORK
1.3.7. ADMINISTER SECURITY
1.3.8. AUTOMATICALLY UPDATE
1.3.9. MONITOR PERFORMANCE
1.3.10. PROVIDE FILE,DISK AND SYSTEM MANAGEMENT TOOLS
1.3.11. COORDINATE TASK
1.3.12. CONFIGURE DEVICE
2. UTILITY PROGRAM
2.1. FUNCTIONS
2.1.1. A TYPE OF SOTWARE THAT ALLOWS A USER TO PERFORM MAINTENANCE-TYPE TASK
2.2. TYPES
2.2.1. FILE MANAGER
2.2.1.1. TO PROVIDE ROUTINE FILE MANAGEMENT TASK
2.2.1.1.1. WINDOWS EXPLORER
2.2.1.1.2. osFILEManager
2.2.2. DISK CLEANUP
2.2.2.1. SEARCHES,REMOVES UNNECESSARY FILES FROM COMPUTER THAT INCLUDES DOWNLOADED PROGRAMS FILE
2.2.2.1.1. C-CLEANUP
2.2.2.1.2. CCLEANER
2.2.3. COMPRESSION TOOLS
2.2.3.1. TO REDUCE THE SIZE OF FILES
2.2.3.1.1. WinZip
2.2.3.1.2. 7ZIP
2.2.4. ANTI-VIRUS PROGRAM
2.2.4.1. TO PROTECTS A COMPUTER AGAINST VIRUSES BY IDENTIFYING AND REMOVING ANY COMPUTER VIRUSES
2.2.4.1.1. Norton Antivirus
2.2.4.1.2. Avira Antivirus
2.2.5. SPYWARE REMOVER
2.2.5.1. TO DETECTS AND DELETES SPYWARE FROM THE COMPUTER
2.2.5.1.1. Spy Sweeper
2.2.5.1.2. Spyware Doctor
2.2.6. DISK DEFRAGMENTER
2.2.6.1. TO REORGANIZES THE FILES AND UNUSED SPACE ON COMPUTER HARD DISKSO THAT THE OS ACCESSES DATA MORE QUICKLY
2.2.6.1.1. MICROSOFT DISK DEFRAGMENTER
2.2.6.1.2. MyDefrag
2.2.7. BACKUP AND RESTORE
2.2.7.1. A BACKUP UTILITY ALLOWS USERS TO COPY FIKLES TO ANOTHER STORAGE MEDIUM IN CASE OF DAMAGE OR LOST
2.2.7.1.1. WINDOWS BACKUP & STORE
2.2.7.1.2. Bacula
3. APPLICATION OF SOFTWARE
3.1. TYPES OF
3.1.1. WEB BROWSER
3.1.1.1. TO ACCESS AND INTERACT WIH SOFTWARE FROM ANY COMPUTER OR DEVICES THAT IS CONNECTED TO THE INTERNET
3.1.1.1.1. INTERNET EXPLORER
3.1.1.1.2. MOZILLA FIREFOX
3.1.2. WORD PROCESSING
3.1.2.1. ALLOWS USERS TO CREATE AND MANIPULATE DOCUMENTS
3.1.2.1.1. MICROSOFT WORD
3.1.2.1.2. KWord
3.1.3. SPREADSHEET
3.1.3.1. ALLOWS USERS TO ORGANIZE DATA IN ROWS AND COLUMNS AND PERFORM CALCULATION
3.1.3.1.1. MICROSOFT EXCEL
3.1.3.1.2. KCells
3.1.4. DATABASE
3.1.4.1. ALLOWS USERS TO CREATE ,ACCESS AND MANAGE A DATABASE
3.1.4.1.1. MICROSOFT ACCESS
3.1.4.1.2. MariaDB
3.1.5. PRESENTATION
3.1.5.1. ALLOWS USERS TO CREATE VISUAL AIDS FOR PRESENTATIONS TO COMMUNICATE IDEAS, MESSAGES AND OTHER INFORMATION TOA GROUP
3.1.5.1.1. MICROSOFT POWERPOINT
3.1.5.1.2. Showcase
4. SYSTEM SOFTWARE
4.1. DEFINITION
4.1.1. CONSISTS OF THE PROGRAM (SET OF INSTRUCTIONS) THAT CONTROL OR MAINTAIN THE OPERATION OF THE COMPUTER AND ITS DEVICES
5. DEFINITION
5.1. SERIES OF INSTRUCTION THAT TELLS THE COMPUTER WHAT TASK TO PERFORM AND HOW TO PERFORM THEM
6. SYSTEM SOFTWARE
6.1. SYSTEM SOFTWARE
6.1.1. CONSIST OF THE PROGRAM (SET OF INSTRUCTION) THAT CONTROL OR MAINTAIN THE OPERATIONS OF THE COMPUTER AND ITS DEVICES
6.2. APPLICATION SOFTWARE
6.2.1. CONSISTS OF PROGRAMS (SET OF INSTRUCTION) DESIGNED TO MAKE USERS MORE PRODUCTIVE AND ASSIST THEM WITH PERSONAL TASK