Presentation about computer hardware

Presentation about computer hardware

• 1.
  Hardware Students: Mahmood Mthafer Muhammad Hamid FarmanFazil
• 2.
  Computer Hardware  InternalHardware (Components)  External Hardware (Peripherals)
• 3.
  Computer Hardware Contents:  ComputerHardware o Input Devices o Output Devices o System Unit o Storage Devices o Communication Devices
• 4.
  Computer Hardware The ExternalComponent of the Computer  Input Devices o Any peripheral used to input data into the computer • Keyboard • Mouse • Scanners • Monitor • Joystick
• 5.
  Computer Hardware  OutputDevices o Any piece of computer hardware equipment used to communicate the results of a data from data processing activity • Monitors • LCD projector • Printers
• 6.
  Computer Hardware  Storagedevices  This are devices that are use to keep information for future use  They may be internal (e.g. hard disk RAM and ROM , etc.) or external (e.g. flash drive ,flash memory , etc. )
• 7.
  Computer Hardware Primary Storage •Main Memory or Internal Memory • Directly accessible to the CPU • RAM
• 8.
  Computer Hardware Secondary Storage External Memory or Auxiliary Storage  Not directly accessible to the CPU  I/O Channel is used to access the Secondary Storage
• 9.
  Computer Hardware Secondary Storage Floppy Disks  Hard Disks  Optical Disks  Magnetic Tape  Flash Memory  Flash Drive
• 10.
  Computer Hardware System Unit The system unit houses o The motherboard o The power supply o Storage Devices o Other Devices
• 11.
  Computer Hardware Internal ComponentsOf The System Unit
• 12.
  Computer Hardware The Motherboard Main Circuit Board in the computer that contain ports for • Keyboard , mouse and printers  Installed Processor and memory chip  Expansion slots for additional circuit boards – video sound and communication modem
• 13.
  Computer Hardware The Motherboard
• 14.
  Computer Hardware The PowerSupply Unit  A device that converts AC to DC
• 15.
  Computer Hardware Central ProcessingUnit (CPU)  CPU is the brain of the computer – Follows instruction of software to manipulate data into information o The Control Unit o Arithmetic /Logic Unit(ALU)
• 16.
  Computer Hardware Part Operationof the CPU  Control Unit :Decodes instruction stored in the CPU and carries the instruction  ALU :Performs Arithmetic and Logical Operations in the CPU  Registers: Temporarily stores data during processing by the CPU  Buses: Electrical data roadways in which data travels
• 17.
  Computer Hardware  BehindThe System Unit Ports and Connectors – Dedicated Ports
• 18.
  Computer Hardware THANK YOU