Full In-Depth (Computer Applications Technology) CAT Notes for All Sections. It includes tips for use to effectively use these notes and contains all information needed for the Grade 11 and Grade 12 IEB syllabus.
It gives an outline on all topics listed in the IEB SAGS (Subject Assesment Guidel...
TIPS FOR USE ....................................................................................................................................................... 6
THE INFORMATION PROCESSING CYCLE ................................................................................................................ 7
SYSTEM UNITS ..................................................................................................................................................... 8
WHAT MAKES IT ALL WORK? .............................................................................................................................. 24
UPGRADE VS. REPLACE....................................................................................................................................... 24
HARDWARE THEFT AND PROTECTION ................................................................................................................. 28
DIFFERENT COMPUTER TYPES ............................................................................................................................ 28
CATEGORIES OF USERS ....................................................................................................................................... 31
INPUT AND OUTPUT FOR PHYSICALLY CHALLENGED USERS ................................................................................. 32
INPUT AND OUTPUT HEALTH ISSUES .................................................................................................................. 32
GREEN COMPUTING ........................................................................................................................................... 33
UNINTERRUPTIBLE POWER SUPPLY .................................................................................................................... 33
APPLICATION SOFTWARE VS SYSTEM SOFTWARE ............................................................................................... 35
THE OPERATING SYSTEM .................................................................................................................................... 35
THE INTERFACE .................................................................................................................................................. 35
TYPES OF APPLICATION SOFTWARE .................................................................................................................... 38
TYPES OF SYSTEM SOFTWARE ............................................................................................................................ 39
WINDOWS SECURITY SCREEN ............................................................................................................................. 39
STEPS WHEN INSTALLING SOFTWARE ................................................................................................................. 43
UPDATING YOUR SOFTWARE ............................................................................................................................. 44
TROUBLESHOOTING USING UTILITY SOFTWARE .................................................................................................. 46
BACKUP AND RECOVERY .................................................................................................................................... 48
SOFTWARE FOR PHYSICALLY CHALLENGED USERS ............................................................................................... 48
SMALL NETWORKS ............................................................................................................................................. 52
SETTING UP A NETWORK .................................................................................................................................... 53
ETHICAL USE OF NETWORKS ............................................................................................................................... 58
THE INTERNET .................................................................................................................................................... 59
INTERNET SERVICE PROVIDERS (ISP) ................................................................................................................... 59
CONNECTING TO THE INTERNET ......................................................................................................................... 60
1. FIXED INTERNET ACCESS.............................................................................................................................. 60
2. MOBILE INTERNET ACCESS – CELLULAR TECHNOLOGY .................................................................................. 60
INTERNET SERVICES ........................................................................................................................................... 62
THE WORLD WIDE WEB (WWW) ......................................................................................................................... 66
BROWSING AND SEARCHING .............................................................................................................................. 67
INTERNET BROWSER FEATURES .......................................................................................................................... 68
SURFACE, DEEP AND DARK WEB ......................................................................................................................... 69
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