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Overview of computer system
 

Overview of computer system

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    Overview of computer system Overview of computer system Presentation Transcript

    •  
    • DEFINITION COMPUTER SYSTEM
      • A computer system is defined as combination of components designed to process data and store files .
      • A computer system requires hardware, software and a user to fully function.
      USER HARDWARE SOFTWARE
    •  
    • Computer Hardware
    • HARDWARE
      • There are three component in hardware:
        • 1. Input devices 2. Output devices
        • 3. Storage devices 4.Processor
    • Input Devices
      • Input devices are any electronic device that are connected to a computer and produces input signals such audio, text, video, graphic.
    • Name : Web cam Used for : Input Video in meeting or conference
    • Output Devices
      • Output is the result of data processing activity when it is presented externally to the system. The output from a computer can be printed or displayed form .
      • An output device is hardware that is capable of delivering or showing information to one or more users.
    • Storage Devices
      • Information and documents are stored in a computer storage so that it can be retrieved whenever they are needed later on.
      • Computer storage is the holding of data in an electromagnetic form for access by a computer processor.
    • Processor
      • The CPU is an example of a processor. It has the same important as the brain to human being.
    • Processor
      • Which processor should you select?
      • The faster the processor, the more expensive the computer
      Celeron Itanium or Xeon Pentium family 1.3 GHz and up 3.0 GHz and up 2.4 GHz to 3.0 GHz Up to 2.4 GHz 2.2 GHz and up Intel Processor Desired Clock Speed
    • Computer Software
    • COMPUTER SOFTWARE
    • SYSTEM SOFTWARE
    • APPLICATION SOFTWARE
    • Computer User uses the computer for any purposes such as work, business and entertainment. TEACHER CHILDREN OFFICIER STUDENTS PARENT BUSSINESS
    • The End - Q & A -
    • ACTIVITY : ASSIGNMENT
      • Discuss in group about example of :-
        • 1. Input Devices
        • 2.Output Device
        • 3. Storage
        • 4. Processor
        • 5. System Software
        • 6. Application Software
      • Present your work in power point presentation