ICT for JHS Contents Preface, Acknowledgement and Dedication ............................................................................................. 2 Introduction to ICT .................................................................................................................................. 21 What is ICT?...........................................................................................................................................21 Related Terminologies ............................................................................................................................21 Data..................................................................................................................................................... 21 Information ......................................................................................................................................... 22 Communication................................................................................................................................... 22 Technology .........................................................................................................................................22 Importance of ICT................................................................................................................................... 23 ICT in Education..................................................................................................................................... 23 Chapter 1 - Introduction to Computers ..................................................................................................24 Classification of Computers.................................................................................................................... 24 Classification by Generations .............................................................................................................24 Classification by Types....................................................................................................................... 25 Classification by Purpose.................................................................................................................... 27 Classification by Capacity .................................................................................................................. 27 Categories of Computers......................................................................................................................... 27 Hybrid Computers................................................................................................................................... 28 Characteristics of Computers ..................................................................................................................29 Factors that Affect Computer Performance ............................................................................................29 Importance of Computers ....................................................................................................................... 29 Limitations of a Computer ......................................................................................................................30 Chapter 2 - Parts of Personal Computers............................................................................................... 31 Hardware................................................................................................................................................. 31 System Unit......................................................................................................................................... 31 Monitor ...............................................................................................................................................33 Keyboard............................................................................................................................................. 34 Mouse.................................................................................................................................................. 36 Software ..................................................................................................................................................37 System Software .................................................................................................................................37 Page1 ICT for JHS Application Software ..........................................................................................................................39 Chapter 3 - Information (Data) Processing Cycle.................................................................................. 42 What is Information Processing Cycle?.................................................................................................. 42 Stages of Information Processing Cycle .................................................................................................42 Input ....................................................................................................................................................43 Process ................................................................................................................................................44 Output .................................................................................................................................................45 Storage ................................................................................................................................................46 Distribution .........................................................................................................................................46 Chapter 4 - Keyboard and Mouse Skills .....................................................................................................48 Keyboard Skills (Keyboarding) ..............................................................................................................48 Mouse Skills............................................................................................................................................51 Mouse Buttons (Parts)......................................................................................................................... 51 Operations of the Mouse .....................................................................................................................52 Becoming Comfortable Using a Mouse: The Solitaire .......................................................................53 Chapter 5 - Manipulative Keys................................................................................................................ 56 What are Manipulative Keys?................................................................................................................. 56 Types of Manipulative Keys ...................................................................................................................56 Chapter 6 - Health and safety in using ICT Tools ................................................................................. 61 What is ICT Tool? .................................................................................................................................. 61 Health Hazards of ICT Tools ..................................................................................................................61 Safety Precautions in using computers and other ICT Tools:.................................................................61 Taking Care of ICT tools ........................................................................................................................62 Ergonomics .............................................................................................................................................62 Chapter 7 - Turning ON / OFF the Computer ....................................................................................... 64 Booting....................................................................................................................................................64 Cold Booting....................................................................................................................................... 64 Warm Booting..................................................................................................................................... 65 Safe Mode ...........................................................................................................................................65 Log on to a Computer .............................................................................................................................66 Turning Off a Computer .........................................................................................................................66 Summary .................................................................................................................................................68 Page2 ICT for JHS Chapter 8 - Introduction to Desktop .......................................................................................................69 Desktop ...................................................................................................................................................69 Graphical User Interface (GUI) .............................................................................................................