MELJUN CORTES Computing Fundamentals - hardware parts

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MELJUN CORTES Computing Fundamentals - hardware parts

  1. 1. Computing Fundamentals Computer Hardware
  2. 2. Objectives  Identify types of computers and how they process information  Identify the function of computer hardware components  Identify the factors to consider when buying computer equipment  Identify how to maintain computer equipment and solve common problemsBack Computing Fundamentals
  3. 3. Introduction  When the computer was introduced, it’s said to be the greatest invention since man learned to use electricity.  Almost every aspect of peoples lives is affected in some way by computers.  Computers are no smarter than the humans who program them.Back Computing Fundamentals
  4. 4. Some ways in which the computer is used: • Word processing • Calculations • Communication • Computer-assisted learning • Research • Presentations • Database management • Automation • EntertainmentBack Computing Fundamentals Next: Definition of Computer
  5. 5. What is a computer? Computer is an electronic device that accepts, processes, stores, and outputs data at high speeds according to programmed instructions. There are two basic components that make up a computer: hardware and software.Back Computing Fundamentals Next: Parts of a Computer
  6. 6. Parts of a Typical Computer System Unit Printer Monitor Keyboard MouseBack Computing Fundamentals Next: Types of Computers
  7. 7. Types of Computers Supercomputer Microcomputer IBM Blue Gene/L Minicomputer MainframeBack Computing Fundamentals Next: Types of Microcomputers
  8. 8. Common Types of Microcomputers Macintosh (Mac) Personal Computer (PC) Handheld/PDA Laptop/NotebookBack Computing Fundamentals
  9. 9. The Four Main Components of a Microcomputer INPUT DEVICES Input devices allow us to enter information into the computer. They include keyboards, mice, scanners, and microphones. PROCESSING DEVICES Processing components manipulate the information once it is "in" the computer. In the microcomputer there is a set of common components consisting of the central processing unit (CPU), interface components, and memory (RAM). STORAGE DEVICES Storage devices store the entered information and programs for future use. Common storage devices include hard disks, floppy disks, and CD-ROMs. OUTPUT DEVICES Output devices are how the manipulated information is returned to us. They commonly include video monitors, printers, and speakers.Back Computing Fundamentals Parts of the System Unit
  10. 10. The System Unit CD-ROM and/or DVD-ROM Drive RAM Network Card ROM-BIOSBack Computing Fundamentalscomputer 1. Common Hardware Problems 2. Buying a 3. Next: Software
  11. 11. Input Devices Microphone Keyboard Mouse Scanner Computing Fundamentals Other Input DevicesBack
  12. 12. Other Input Devices Barcode Reader Web Camera Digital Camera Joystick Computing Fundamentals Back to MenuBack
  13. 13. Processing Devices CPU Measuring Memory CPU Speed Release Date Pentium 4 1 GHz to 3 GHz Latest Pentium III 450 MHz to 1 GHz 1999 Pentium II 266 MHz 1997 Pentium 133 MHz 1993 486 66 MHz 1989 386 25 MHz 1985 Random-Access 80286 12.5 MHz 1982 Memory (RAM) 8088 8 MHz 1979 Computing FundamentalsBased on table courtesy of www.customguide.com Back
  14. 14. Storage Devices/Media Diskette Hard Disk Drive (HDD) Floppy Disk Drive (FDD) Computing Fundamentals More Storage Devices/MediaBack
  15. 15. More Storage Devices/Media Types of CDs: •CD-ROM •CD-R •CD-RW Flash Card CD-ROM (or DVD- ROM Drive) USB Flash Drive Computing Fundamentals Back to MenuBack
  16. 16. Output DevicesPrinter Monitor Projector Speakers Computing Fundamentals Back
  17. 17. Monitors LCD (Liquid Crystal Display) CRT (Cathode Ray Tube) Computing Fundamentals Back
  18. 18. Parts of the Keyboard Function Keys Numeric KeypadAlphanumeric Keys Cursor Keys Computing Fundamentals Back
  19. 19. Parts of a Mouse Mouse Actions: Right Button 1. Click 2. Double-click 3. Right-ClickLeft Button 4. Point 5. Drag Wheel (Not always available) Palm Rest How to hold the mouse Computing Fundamentals Back
  20. 20. How to hold the mouseCourtesy:www.internet4classrooms.com Computing Fundamentals Back
  21. 21. Printers Dot Matrix Inkjet Laser Back Computing Fundamentals
  22. 22. Motherboard Computing Fundamentals Back to illustration
  23. 23. Measuring Memory Unit Abbreviation SizeBit - [Smallest Unit]Byte - 8 BitsKilobyte KB 1, 024 bytesMegabyte MB 1, 048, 576 bytesGigabyte GB 1, 073,741,824 bytes/1, 024 MB Computing Fundamentals Back
  24. 24. Central Processing Unit (CPU) CPU Fan Computing Fundamentals Back to illustration
  25. 25. Random-AccessMemory DDRAM SDRAM SDRAM Photo courtesy of: www.oamao.com Computing Fundamentals Back to illustration
  26. 26. Hard Disk Drive Cross-section of HDD Computing Fundamentals Back to illustration
  27. 27. 3.5” Floppy DiskDrive Courtesy www.yedata.com 3.5 “ Floppy Disk Computing Fundamentals Back to illustration
  28. 28. PC PortsPhoto courtesy of: www.coolnerds.com Computing Fundamentals Back
  29. 29. CD-ROM Drive CD-ROM Computing Fundamentals Back to illustration
  30. 30. Video Card Computing Fundamentals Back to illustration
  31. 31. AGP Port Computing Fundamentals Back to illustration
  32. 32. Power Supply Computing Fundamentals Back to illustration
  33. 33. Network Card Computing Fundamentals Back to illustration
  34. 34. ROM-BIOS Computing Fundamentals Back to illustration
  35. 35. Common Hardware Problems • Computer won’t start – Be sure it is plugged in and there’s electricity – Bad power supply – Check the monitor – RAM problem – Bad hard drive • Mouse is not working well/at all • Keyboard is not working • Printer: Paper JamsBack Computing Fundamentals
  36. 36. How to Buy a PC • What is my purpose of buying a PC? • What OS will best support the applications that I will use? • Do I need portability? • Do I need versatility? • How about the warranties?Back Maintenance Basic Troubleshooting Computing Fundamentals Installing New Software

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