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3 input, output and storage technologies

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MBA Amity Business School - IT for Managers

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3 input, output and storage technologies

  2. 2. PARTS OF A COMPUTER SYSTEM 11 Monitor CPU 33 22 Speakers 33
  3. 3. OBJECTIVES To be able to identify and state the functions of: Input devices Output devices Storage media
  4. 4. INTRODUCTION Input device? Input : Enter data Input : Enter data An input device is a piece of hardware that is used to enter data into a computer.
  5. 5. INTRODUCTION Output device? Output : Produce Output : Produce results / data results / data piece of hardware that is use to get information OUT of a computer
  6. 6. INTRODUCTION  Storage device? Storage : keep / save Storage : keep / save data data  A device used for storing information/data.
  7. 7. INPUT DEVICES Keyboard Mouse Input devices Scanner Joystick Input devices
  8. 8. Keyboard  a set of alphanumeric and command keys used to input information to a computer
  9. 9.  Mouse and Joystick act as a pointing device controlling device  Scanner a device that scans images, printed text, handwriting, or an object, and converts it to a digital image.
  10. 10. OUTPUT DEVICES OOuuttppuutt ddeevviicceess Printer Monitor Plotter Projector
  11. 11. PRINTER  a printer is a device that accepts text and graphic output from a computer and transfers the information to paper.
  12. 12. MONITOR  A display screen used to present information from a computer
  13. 13. PLOTTER  Plotters are a specialist type of printer which is able to draw high quality images on very large pieces of paper, for example 3 foot wide by 10 foot long.
  14. 14. PRINTER VS PLOTTER Printers Plotters
  15. 15. STORAGE DEVICES Floppy disks ssttoorraaggee ddeevviicceess Hard disk A zip disk Pen drive
  16. 16. STORAGE DEVICES – KEEP DATA Storage media Capacity Ease of use Floppy disk 1.44mb ★ Hard disk 40gb ★★★★ Pendrive 2gb to 16gb ★★★★ CD or DVD 700mb / 4.7gb ★★★
  17. 17. EXERCISE  Sort these devices into the correct column. * scanner * printer *keyboard * mouse * monitor * joystick * speakers Input devices Output devices
  18. 18. SUMMARY Always remember: Input device is a device that used to enter data Output device is a device which capable of representing information from a computer Storage media is a device that stores / keep data
  19. 19. RESEARCH – GOOGLE, SEARCH THE FOLLOWING DEVICES: Input devices?Output devices? Touchscreen Digital camera Projector
  20. 20. END LESSON