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Unit 1

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Unit 1

  1. 1. OV 1 - 1Copyright © 2007 Element K Content LLC. All rights reserved.Personal Computer Components Personal Computer Components System Unit Components Storage Devices Personal Computer Connection Methods
  2. 2. OV 1 - 2Copyright © 2007 Element K Content LLC. All rights reserved.A Typical Personal ComputerSystem unitSystem unit Display deviceDisplay deviceExternal deviceExternal deviceExternal deviceExternal deviceInput devicesInput devices
  3. 3. OV 1 - 3Copyright © 2007 Element K Content LLC. All rights reserved.A System UnitChassisChassisCooling deviceCooling deviceMicroprocessor(under cooling device)Microprocessor(under cooling device)Memory chipsMemory chipsPower SupplyPower SupplyPortsPortsAdapter CardAdapter CardDisk drivesDisk drives
  4. 4. OV 1 - 4Copyright © 2007 Element K Content LLC. All rights reserved.A Display Device
  5. 5. OV 1 - 5Copyright © 2007 Element K Content LLC. All rights reserved.An Input Device
  6. 6. OV 1 - 6Copyright © 2007 Element K Content LLC. All rights reserved.External Devices Microphone Digital camera Scanner Speakers Printer Network device External drive
  7. 7. OV 1 - 7Copyright © 2007 Element K Content LLC. All rights reserved.A System BoardExpansion slotsExpansion slotsAGP slotAGP slot PortsPortsCPUCPURAM slotsRAM slotsDrive interfacesDrive interfaces
  8. 8. OV 1 - 8Copyright © 2007 Element K Content LLC. All rights reserved.CPUs
  9. 9. OV 1 - 9Copyright © 2007 Element K Content LLC. All rights reserved.A Sample Memory Module
  10. 10. OV 1 - 10Copyright © 2007 Element K Content LLC. All rights reserved.The System BusHard DriveControllerVideoControllerMemorySystem BusCPU
  11. 11. OV 1 - 11Copyright © 2007 Element K Content LLC. All rights reserved.Examples of Storage Devices
  12. 12. OV 1 - 12Copyright © 2007 Element K Content LLC. All rights reserved.A Power SupplyInternal viewInternal viewExternal viewExternal viewWires from the power supplyto the system board and drivesWires from the power supplyto the system board and drivesFanFanVoltage switchVoltage switchSocket for power cordSocket for power cordPower switchPower switch
  13. 13. OV 1 - 13Copyright © 2007 Element K Content LLC. All rights reserved.A Typical Cooling System for a CPUFanFan Heat sinkHeat sink
  14. 14. OV 1 - 14Copyright © 2007 Element K Content LLC. All rights reserved.An Adapter CardConnectorConnectorCircuitryCircuitry
  15. 15. OV 1 - 15Copyright © 2007 Element K Content LLC. All rights reserved.A System Board with a Riser CardREARREARFRONTFRONTMemory slotsPCI/ISA slots on riserPeripheralconnectorsCPU
  16. 16. OV 1 - 16Copyright © 2007 Element K Content LLC. All rights reserved.System Board Form Factors AT Baby AT ATX microATX LPX NLX BTX
  17. 17. OV 1 - 17Copyright © 2007 Element K Content LLC. All rights reserved.A Floppy Disk Drive (FDD)Front view 3.5-inch floppy disk drive3.5-inch floppy diskRear view of floppy disk driveData cableData cable Power cablePower cable
  18. 18. OV 1 - 18Copyright © 2007 Element K Content LLC. All rights reserved.A Hard Disk Drive (HDD)
  19. 19. OV 1 - 19Copyright © 2007 Element K Content LLC. All rights reserved.Optical Disks and DrivesAn internal CD-ROM driveAn external DVD driveA CD-R disc
  20. 20. OV 1 - 20Copyright © 2007 Element K Content LLC. All rights reserved.Optical Disk and Drive Types CD-ROM CD-R CD-RW DVD-ROM DVD-R DVD+R DVD+R DL DVD-RW DVD+RW
  21. 21. OV 1 - 21Copyright © 2007 Element K Content LLC. All rights reserved.A Tape Drive
  22. 22. OV 1 - 22Copyright © 2007 Element K Content LLC. All rights reserved.Solid State Storage43mmCompactFlashcard fits in hereCompactFlashcard fits in here36mmUSB adapter connects theCompactFlash reader to the computerUSB adapter connects theCompactFlash reader to the computer
  23. 23. OV 1 - 23Copyright © 2007 Element K Content LLC. All rights reserved.PortsEnable devices to be connected to a personal computer.6-pin roundconnector6-pin roundconnector25-pin D-shapedconnector25-pin D-shapedconnector15-pin D-shapedconnector15-pin D-shapedconnector
  24. 24. OV 1 - 24Copyright © 2007 Element K Content LLC. All rights reserved.Personal Computer ConnectionsUSB ConnectorUSB ConnectorCableCable
  25. 25. OV 1 - 25Copyright © 2007 Element K Content LLC. All rights reserved.Serial Connections25-pin serial porton a serial device25-pin serial porton a serial device25-pin end of serial cable connectsto modem and 9-pin endconnects to computer’s serial port25-pin end of serial cable connectsto modem and 9-pin endconnects to computer’s serial port
  26. 26. OV 1 - 26Copyright © 2007 Element K Content LLC. All rights reserved.Parallel ConnectionsParallel connectorParallel connectorParallel cableParallel cable
  27. 27. OV 1 - 27Copyright © 2007 Element K Content LLC. All rights reserved.USB ConnectionsType B connectorconnects to USB deviceType B connectorconnects to USB deviceType A connector connects toUSB port on the computeror on a hubType A connector connects toUSB port on the computeror on a hub
  28. 28. OV 1 - 28Copyright © 2007 Element K Content LLC. All rights reserved.FireWire ConnectionsFireWire deviceFireWire deviceFireWire portFireWire portFireWire 6-pinconnectorFireWire 6-pinconnector
  29. 29. OV 1 - 29Copyright © 2007 Element K Content LLC. All rights reserved.SCSI ConnectionsSCSI connectorSCSI connectorSCSI cableSCSI cable
  30. 30. OV 1 - 30Copyright © 2007 Element K Content LLC. All rights reserved.PATA ConnectionsPATA connectorPATA connector
  31. 31. OV 1 - 31Copyright © 2007 Element K Content LLC. All rights reserved.SATA ConnectionsSATA data cableSATA data cableSATA power cablesSATA power cables
  32. 32. OV 1 - 32Copyright © 2007 Element K Content LLC. All rights reserved.Reflective Questions1. How many of the personal computer components described arefamiliar to you?2. What is the most important component of a computer?

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