Computer appreciation

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Transcript of Computer appreciation

  • 1. COMPUTERAPPRECIATION
  • 2. INTRODUCTION Students name: Working status: Pc Background: Expectation:October 8, 2012 COMPUTER APPRECIATION 2
  • 3. Computer Appreciation Contents and Schedule Introduction to Pc Using Win Xp ---- 6 hrs Microsoft word Level I --- 6 hrs Microsoft Power Point I --- 6 hrs Microsoft Excel I ---- 6 hrs Use of the Internet -----5hrs Revision & Evaluation -----1 hrOctober 8, 2012 COMPUTER APPRECIATION 3
  • 4. Introduction to Pc Objectives 1. Students are expected to be able to describe a computer system 2. Students expected to understand the basic components of a computer system 3. They must be able to perform basic tasks on PcOctober 8, 2012 COMPUTER APPRECIATION 4
  • 5. Definition: Computer System Is an electronic device that can accept inputs as data, process , store and display results as output when needed.October 8, 2012 COMPUTER APPRECIATION 5
  • 6. October 8, 2012 COMPUTER APPRECIATION 6
  • 7. Computer Components Hardware: These are the Physical components of the computer system that can be touched and felt. Software: These are the various Programs that are installed on the computer system Human ware : These are users of computer systemOctober 8, 2012 COMPUTER APPRECIATION 7
  • 8. Computer Hardware Examples Keyboard Mouse and Pad Monitor/Visual Display Unit (VDU) System UnitOctober 8, 2012 COMPUTER APPRECIATION 8
  • 9. Input Device Examples Keyboard Mouse Touch Pad Joy StickOctober 8, 2012 COMPUTER APPRECIATION 9
  • 10. Output Device Examples Monitor Printer Plotter SpeakerOctober 8, 2012 COMPUTER APPRECIATION 10
  • 11. System Unit Components Floppy disk drive CD-ROM/CD Writer/DVD Drive Hard disk Drive- for storage purposes Random Access Memory (RAM) CPU: Central Processing Unit ALU: Arithmetic & Logic Unit Control Unit Register: for storage Mother Board Power Supply UnitOctober 8, 2012 COMPUTER APPRECIATION 11
  • 12. October 8, 2012 COMPUTER APPRECIATION 12
  • 13. RAMOctober 8, 2012 COMPUTER APPRECIATION 13
  • 14. CD ROMOctober 8, 2012 COMPUTER APPRECIATION 14
  • 15. Floppy Diskettes and Floppy Disk Drives 5.25 floppy disk Store 360 KB of data in double density format and 1.2 MB of data in high density format. Old technology, not very common today. 3.5 floppy disk Store 720 KB of data in double density format and 1.44 MB of data in high density format.October 8, 2012 Double density format and high density format are COMPUTER APPRECIATION 15 not interchangeable
  • 16. October 8, 2012 COMPUTER APPRECIATION 16
  • 17. MOTHERBOARD Motherboards are also called System boards or main boards. Connecting device to which all other internal and external devices connect, either directly or indirectly. Contains all the tiny circuits and pathways by which data moves.October 8, 2012 COMPUTER APPRECIATION 17
  • 18. MOTHERBOARDOctober 8, 2012 COMPUTER APPRECIATION 18
  • 19. October 8, 2012 COMPUTER APPRECIATION 19
  • 20. Process Central Processing UnitOctober 8, 2012 COMPUTER APPRECIATION 20
  • 21. October 8, 2012 COMPUTER APPRECIATION 21
  • 22. Storage Hard Disk Drive (HDD) Random Access Memory (RAM) Floppy Disk Drive Flash Disk DriveOctober 8, 2012 COMPUTER APPRECIATION 22
  • 23. HARD DISK DRIVE (HDD)October 8, 2012 COMPUTER APPRECIATION 23
  • 24. External Computer Devices/Accessories UPS: Uninterruptible Power System PRINTER SCANNER: PLOTTEROctober 8, 2012 COMPUTER APPRECIATION 24
  • 25. ACRONYMS SCSI-Small Computer System Interface AGP-Accelerated Graphic Port ISA-Industry Standard Architecture PCI-Peripheral Component Interconnect USB-Universal Serial Bus SIMM-Single Inline Memory Module BIOS-Basic Input Output System RAM-Random Access MemoryOctober 8, 2012 COMPUTER APPRECIATION 25
  • 26. ACRONYMS(contd) ROM-Read Only Memory DMA-Direct Memory Access VGA-Video Graphics Array CMOS-Complimentary Metal-Oxide Semiconductor HDD-Hard Disk Drive CPU-Central Processing Unit OS-Operating SystemOctober 8, 2012 COMPUTER APPRECIATION 26
  • 27. Software Operating Systems (OS) Application Packages Utility SoftwareOctober 8, 2012 COMPUTER APPRECIATION 27
  • 28. Operating System Primary Software that is installed on the PC It acts as an interface between user and the PC It helps to install other packages and hardware Examples e.g Win 95, Win 98, Win 2000, Millennium, Win xp, Dos, Win 3.1, Linux, Novell Netware, Unix, Red hat Linux.October 8, 2012 COMPUTER APPRECIATION 28
  • 29. Application PackageThey are used for specific tasks Ms Office Word:- Word Processing Ms Office Excel:- Spreadsheet Ms Office PowerPoint:- Presentations Corel Draw:- Designing AutoCAD:- Architectural Design Internet explorer:- Browsing (Internet) Others include:- Print Artist, Instant Artist, Ms publisher, Ms Outlook, Ms Access, Page maker .October 8, 2012 COMPUTER APPRECIATION 29
  • 30. Mouse Mouse is an input device, it has two buttons (Left and Right) mouse buttons. FUNCTIONS OF MOUSE Point and Click- Double Click - to open object Click and Drag Right ClickOctober 8, 2012 COMPUTER APPRECIATION 30
  • 31. Starting your computer system Start the system unit Start the monitor/VDUOctober 8, 2012 COMPUTER APPRECIATION 31
  • 32. Start The System Booting Involves loading of Operating System software to make the PC functional. Computer system boots whenever you start or restart it, and it perform what we call POST during booting POST: Power On Self Test.October 8, 2012 COMPUTER APPRECIATION 32
  • 33. What you see when your system is ready The desktop Desktop items/Icons Task bar