Micro Input Output

Micro Input Output

• 1.
  COMPUTER HARDWARES INPUTDEVICES, OUTPUT DEVICES AND STORAGE MEDIA
• 2.
  Recap previous lessonParts of computer system 3 2 1 Monitor CPU Speakers 3
• 3.
  Objectives be ableto identify and state the functions of; Input devices Output devices Storage media
• 4.
  Introduction Input device?An input device is a piece of hardware that is used to enter data into a computer. Input : Enter data
• 5.
  Introduction Output device? piece of hardware that is use to get information OUT of a computer Output : Produce results / data
• 6.
  Introduction Storage device?A device used for storing something (information/data). Storage : keep / save data
• 7.
  Input devices KeyboardMouse Scanner Joystick Input devices
• 8.
  Keyboard a setof alphanumeric and command keys used to input information to a computer
• 9.
  Mouse and Joystickact 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.
  Output devices Outputdevices Printer Monitor Plotter Projector
• 11.
  Printer a printeris a device that accepts text and graphic output from a computer and transfers the information to paper.
• 12.
  Monitor A displayscreen used to present information from a computer
• 13.
  Plotter Plotters area 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.
  Printer vs PlotterPrinters Plotters
• 15.
  Storage devices storagedevices Floppy disks Hard disk A zip disk Pen drive
• 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.
  Exercise Sort thesedevices into the correct column. * scanner * printer *keyboard * mouse * monitor * joystick * speakers Input devices Output devices
• 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.
  Research – Google , search the following devices: Input devices?Output devices? Touchscreen Digital camera Projector
• 20.
  End lesson Thankyou.