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EET 450 – Lecture 1Computer overviewPowerPoint PresentationMotherboardSlide 5Slide 6HousingSoftwareSlide 9File Storage SystemDirectory StructureAssignmentEET 450 – Lecture 1EET 450 – Lecture 1Chapter 1 – How Computers WorkComputer overviewComputer overviewCPU is central control pointSome features now bypass the CPUCPU accessesMemoryMass StorageConsole/human interface–Monitor / keyboard / mousePeripheralsMotherboardMotherboardProvides spot for CPU(s)Most Main MemoryIntegrated peripheral portsUSBSerialParallel[video][sound]MotherboardMotherboardOnboard storage supportIDE/EIDESCSIRaid‘Glue Logic’ provides communications path among on-board componentsMotherboardMotherboardExpansion BusMay have ports for expansion cards–ISA (obsolete)–PCI–AGP–OthersMemory SupportSIMM/DIMM, etc.HousingHousingContained in a caseStandardized shape / sizePort accesses/connectorsPower SupplyProvide power from AC sourceDrive AccessSoftwareSoftwareBIOSOn main boardMay be Part of ‘Glue’Flash/EEProm UpgradableCMOSBattery protected or EE memory settingsSoftwareSoftwareOperating SystemProvides application program link to hardware‘universal trailer hitch’CPU DependentNetwork OSWindows 95/98/2000/XP (ME)Unix / LinuxMAC OSFile Storage SystemFile Storage SystemFAT – File allocation TableNTFS – Windows NT file systemLinuxDirectory StructureDirectory StructureHierarchical tree structureParent/child relationshipsAssignmentAssignmentRead Chapter 2 – How Software and Hardware Work


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NORTHERN EET 450 - LECTURE NOTES

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