Hardware Students: Mahmood Mthafer Muhammad Hamid Farman Fazil
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HardwareStudents:Mahmood MthaferMuhammad HamidFarman Fazil
Computer Hardware
Internal Hardware (Components) External Hardware (Peripherals)
Computer Hardware
Contents: Computer Hardwareo Input Deviceso Output Deviceso System Unito Storage Deviceso Communication Devices
Computer Hardware
The External Component of the Computer
Input Deviceso Any peripheral used to input data into the computer• Keyboard• Mouse• Scanners• Monitor• Joystick
Computer Hardware
Output Deviceso Any piece of computer hardware equipment used
to communicate the results of a data from data processing activity
• Monitors• LCD projector• Printers
Computer Hardware
Storage devices 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. )
Computer Hardware
Primary Storage• Main Memory or Internal Memory• Directly accessible to the CPU• RAM
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
Computer Hardware
Secondary Storage Floppy Disks Hard Disks Optical Disks Magnetic Tape Flash Memory Flash Drive
Computer Hardware
System Unit The system unit houseso The motherboardo The power supplyo Storage Deviceso Other Devices
Computer Hardware
Internal Components Of The System Unit
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
Computer Hardware
The Motherboard
Computer Hardware
The Power Supply Unit
A device that converts AC to DC
Computer Hardware
Central Processing Unit (CPU)
CPU is the brain of the computer – Follows instruction of software to manipulate data into information
o The Control Unito Arithmetic /Logic Unit(ALU)
Computer Hardware
Part Operation of 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
Computer Hardware
Behind The System Unit Ports and Connectors – Dedicated Ports
Computer Hardware
THANK YOU
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