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Computer System Hardware


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A powerpoint presentation for EDP 111

A powerpoint presentation for EDP 111

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  • 1. Ron Jesus Villacampa's Masterpiece
  • 2. CoMpUtEr SysTeM HaRdWaRe i n p u t process storage o u t p u t
  • 3. Input Devices An input device lets you communicate with a computer.  You can use input devices to enter information and issue commands. Most common input devices are: Keyboard Scanner Digital Camera Pointing Devices
  • 4. >used to type data into the computer. >has special keys for giving the computer commands. >commands tell the computer to do something, like save the file. K E Y B O A R D
  • 5. >PHOTO GALLERY< >keyboard<
  • 6.
    • >allows you to scan documents, pictures, or graphics and view them on the computer. 
    • >converts an image into dots that the computer can understand
    S C A N N E R
  • 7. >PHOTO GALLERY< >scanner<
  • 8.
      • >pointing devices move some object on the screen and can do some action
      • Example:
    P O I N T I N G devices Mouse Trackball Joystick
  • 9. Mouse Trackball Joystick > a pointing device that rolls around on a flat surface and controls the location of the pointer on the screen.
      • > consist of a metal or plastic handle mounted on a base that you can move in any direction to move the pointer or other object.
      • > it is rolling a ball around with your fingers to control the location of the pointer.
  • 10. >PHOTO GALLERY< >pointing devices< Mouse Joystick Trackball
  • 11. Processing Central Processing Unit / Processor Microprocessor
  • 12.
      • > the portion of a computer system that carries out the instructions of a computer program
      • > it is the primary element carrying out the computer's functions.
    P R O C E S S I N G unit central
  • 13. >PHOTO GALLERY< >C.P.U.<
  • 14.
      • >incorporates most or all of the functions of a central processing unit (CPU) on a single integrated circuit
    M I C R O P R O C E S S O R >constructed out of small and medium-scale ICs containing the equivalent of a few to a few hundred transistors.
  • 15. >PHOTO GALLERY< >microprocessor<
  • 16. Storage Hard Drive Floppy Drive CD-ROM Drive Removable Hard Disk
  • 17. >it is the primary device that a computer uses to store information and stores programs, data files, saves files, and organizes files.  >it magnetically stores data on stacks of rotating disks called platters. H A R D D R I V E
  • 18. >PHOTO GALLERY< >hard drives<
  • 19. >small, portable disks that hold a limited amount of data > it stores and retrieves information on a floppy disk. F L O P P Y D R I V E
  • 20. >PHOTO GALLERY< >floppy drives<
  • 21. >it is a device that reads information stored on a compact disc.  >it stands for CD Read Only Memory. >it can hold large amounts of data, but is read-only access. C D - R O M D R I V E
  • 22. >PHOTO GALLERY< >cd-rom drives<
  • 23. >a zip disk is a removable disk that holds a large amount of information. >it can be used to achieve, protect and transfer large amounts of data. >auxiliary storage devices that can be portable. R E M O V A B L E hard disk
  • 24. >PHOTO GALLERY< >removable disk drives<
  • 25. Output Devices Monitor Printer Speaker An output device displays information on a screen, creates printed copies or generates sound. It enable the computer to give or show you the results of its processing. Examples are:
  • 26. >shows the processed information on a screen and used to display video output to a user. >uses a Picture Tube like a television with the image displayed on the front of the tube, which is called the screen.  M O N I T O R S
  • 27. >PHOTO GALLERY< >monitors<
  • 28. >used to produce a hard copy >the information is printed on paper and can be used when the device is off. It is also called a printout. >Dot Matrix, Ink Jet and Laser are types of printers. P R I N T E R S
  • 29. >PHOTO GALLERY< >printers<
  • 30. > used to output sound S P E A K E R S >used to connect analog audio and video components >also called a &quot;phono connector&quot;
  • 31. >PHOTO GALLERY< >speakers<
  • 32. =The END= rjmv '09 Gracias!