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স্বাগতম

স্বাগতম. Afia sultana chowdhury. Junior instructor(computer). TSC Tangail. Class – IX Section-A Shift- 1 st Computer Information and technology. What is a computer?. What is the weakness of computer ?. Topic in the presentation is. Block diagram of a computer.

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স্বাগতম

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  1. স্বাগতম

  2. Afia sultana chowdhury Junior instructor(computer) TSC Tangail

  3. Class – IX Section-A Shift- 1st Computer Informationand technology

  4. What is a computer? What is the weakness of computer?

  5. Topic in the presentation is Block diagram of a computer

  6. At the end of this session, the learner will be Able to: Draw and explain a block diagram of computer Identify input device Identify output device

  7. Block diagram of a computer

  8. Input unit: • This is the process of entering data and programs in to the computer system.

  9. Input device Mouse Scanner Keyboard

  10. Microphone Webcam Joystick

  11. CentralProcessingUnit: The control unit and ALU of the computer are together known as the Central Processing Unit (CPU).TheCPUis like brain performs the following functions

  12. CPU Microprocessor

  13. Storage Unit: The storage unit of the computer holds data and instructions that are entered through the input unit, before they are processed.

  14. Harddisk RAM Portable harddisk

  15. OutputUnit: The output unit of a computer provides the information and results of a computation to outside world. Printers, Visual Display Unit (VDU) are the commonly used output devices.

  16. Output device Monitor Speaker Ploter

  17. Printer Projector Line printer

  18. Is mouse a output device? • 2.Write the abbreviation of ALU ?

  19. Home work: 1.Draw a block diagram of a computer 2.List the name of input and output device of a desktop computer

  20. Next Topics: Types of computer

  21. সবাইকে অনেক অনেক ধন্যবাদ

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