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INPUT & OUTPUT DEVICES
By : Air 10B
INTRODUCTION
   An Input Devices is a piece of hardware that is
    used to enter data into a computer or content into a
    computer system.

There are two types of input, they are :
 Manual Input Devices

 Automatic Input Devices



   An Output Devices is a piece of hardware that
    obeys a computer command to do something that is
    real.
MANUAL INPUT DEVICES

Examples of Manual Input Devices:

   Keyboard
   Tracker ball
   Mouse
   Joystick
   Concept keyboard
   Touch screen
   Scanner
   Digital cameras
   Graphics Tablet
   Microphone
Keyboard
   Keyboard is the most common and widely used
    for input devices.
   It is made up of buttons called 'keys'. The keys
    are arranged into sections, for example :
   Alphabet keys
   Command keys (insert, delete, home, end, page up/down)



Concept Keyboard
   A concept keyboard is a flat board that contains
    a grid of buttons.
   Concept keyboards are used when fast input is
    needed and are suitable for selecting things from
    a limited range of choices such as fast food
    restaurants.
Mouse
   Mouse is the most common and widely used for input devices.
   A mouse has two buttons, a right and left one and also a
    central wheel which allows you to scroll up and down the page.
    The left one have different function to the right one, the left clicking
    usually lets you to choose a menu item and the right clicking brings to the
    menu to select the task.


Tracker ball
   Tracker ball are particularly easy for who like to
    limited their movement in their hands.


Joystick
   Joystick is popular for the gamers, who wants to be
    a controllers in the games.
Digital Camera
   A digital camera takes pictures and can usually record
    video too.
   The pictures it takes and the videos recorder are been
    stored in files.


Microphone
    A microphone can be used to input sound.


Scanners
   Scanners can be used to copy the images or text
    on paper into a digital format that can be used by the computer.


There are two type of scanners are :
 Flatbed Scanners
 Handheld Scanners
Graphics Tablet
   Graphics tablets are often used by graphics
    designers .
   Graphics tablets can be use for drawing because
    it’s made more accurate than drawing
    by mouse.




Touch screen
   Touch screens are not common used to input
    a large amounts of data.
   Touch screens are easy to use and this often
    been found in public places, such as banks.
   Touch screen is a device which works for both
    devices of input and output .
AUTOMATIC INPUT DEVICES


Examples of Automatic Input Devices:

   Magnetic Ink Character Recognition (M.I.C.R)
   Optical Character Recognition (O.C.R)
   Optical Mark Reader (O.M.R)
   Magnetic Stripe Readers
   Barcode Readers
Magnetic Ink Character Recognition (M.I.C.R)
   Magnetic Ink Character Recognition are often
    use in bank to check the cheque number.
   This will been provides a high level of the security.
   The M.I.C.R will only recognize numbers printed in
    a standard font by using the magnetic ink for checking.


Optical Character Recognition (O.C.R)
   An O.C.R system is a normal scanner with some special software.
    When the scanner scan piece of paper into the computer and when it’s
    finish the O.C.R software then examines the page and changes the letters
    into a form that can be edited or processed by a normal word processing
    package.
Optical Mark Reader (O.M.R)
   Optical Mark Reader interprets the pattern
    of marks then sends the results to the computer
    for analysis and reporting.


Magnetic Stripe Readers
   Magnetic strips are usually found at the back of
    most credit cards.
   The Magnetic Strip Reader can read personal details
    about the card number such as account number and name.


Barcode Readers
   A Barcode Reader is an automatic input device which
    is use to scan or read the barcode.
   The barcode doesn’t contain the price of the item.
OUTPUT DEVICES

Examples of Output Devices :

 Monitors
 Printers

 Laser Printers

 Ink-Jet Printers

 Dot-Matrix Printers

 Plotters

 Speakers
Monitor
   A monitor (or screen) is the most common
    use for output devices.
   The picture on a monitor is made up of thousands
    of tiny colored dots called pixels.
   The higher the number of pixels, the better quality
    of the output.



Printers
   Printers are another common output devices.
   Most of the printers produce their output on
    paper but that doesn’t mean that the printer can do
    there printing only on the paper.
Laser Printers
   Laser printers are used in many workplaces
    because they can print a large number of sheets
    very quickly and they produce high quality
    documents.
   Laser printers are quite expensive too because
    there produce a high quality of output and quiet fast.


Ink-Jet Printers
   Ink-jet printer are cheap and this are common use at home.
   The color that it’s been printer out doesn’t need to be perfect.


Dot-Matrix Printers
   Dot-Matrix are the first type of printers that
    had been used at homes and schools but now
    as the technology goes on they are not used
    much nowadays.
   Dot-matrix printer are noisy and low quality.
Plotters
   Plotters are a type of printer which is able to
    draw a high quality images on a very large
    pieces of paper. The paper were about 3 foot
    wide and 10 foot long.
   The people who want to buy or use this plotters need to know
    how to use it as well.
   Plotter are been used by the engineers, architects and map-makers to
    draw plans of buildings, diagrams of machines or large scale maps




Speakers
   Speakers usually produce a much higher quality
    of sound than the internal speaker.

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Input & output devices 1122

  • 1. INPUT & OUTPUT DEVICES By : Air 10B
  • 2. INTRODUCTION  An Input Devices is a piece of hardware that is used to enter data into a computer or content into a computer system. There are two types of input, they are :  Manual Input Devices  Automatic Input Devices  An Output Devices is a piece of hardware that obeys a computer command to do something that is real.
  • 3. MANUAL INPUT DEVICES Examples of Manual Input Devices:  Keyboard  Tracker ball  Mouse  Joystick  Concept keyboard  Touch screen  Scanner  Digital cameras  Graphics Tablet  Microphone
  • 4. Keyboard  Keyboard is the most common and widely used for input devices.  It is made up of buttons called 'keys'. The keys are arranged into sections, for example :  Alphabet keys  Command keys (insert, delete, home, end, page up/down) Concept Keyboard  A concept keyboard is a flat board that contains a grid of buttons.  Concept keyboards are used when fast input is needed and are suitable for selecting things from a limited range of choices such as fast food restaurants.
  • 5. Mouse  Mouse is the most common and widely used for input devices.  A mouse has two buttons, a right and left one and also a central wheel which allows you to scroll up and down the page. The left one have different function to the right one, the left clicking usually lets you to choose a menu item and the right clicking brings to the menu to select the task. Tracker ball  Tracker ball are particularly easy for who like to limited their movement in their hands. Joystick  Joystick is popular for the gamers, who wants to be a controllers in the games.
  • 6. Digital Camera  A digital camera takes pictures and can usually record video too.  The pictures it takes and the videos recorder are been stored in files. Microphone  A microphone can be used to input sound. Scanners  Scanners can be used to copy the images or text on paper into a digital format that can be used by the computer. There are two type of scanners are :  Flatbed Scanners  Handheld Scanners
  • 7. Graphics Tablet  Graphics tablets are often used by graphics designers .  Graphics tablets can be use for drawing because it’s made more accurate than drawing by mouse. Touch screen  Touch screens are not common used to input a large amounts of data.  Touch screens are easy to use and this often been found in public places, such as banks.  Touch screen is a device which works for both devices of input and output .
  • 8. AUTOMATIC INPUT DEVICES Examples of Automatic Input Devices:  Magnetic Ink Character Recognition (M.I.C.R)  Optical Character Recognition (O.C.R)  Optical Mark Reader (O.M.R)  Magnetic Stripe Readers  Barcode Readers
  • 9. Magnetic Ink Character Recognition (M.I.C.R)  Magnetic Ink Character Recognition are often use in bank to check the cheque number.  This will been provides a high level of the security.  The M.I.C.R will only recognize numbers printed in a standard font by using the magnetic ink for checking. Optical Character Recognition (O.C.R)  An O.C.R system is a normal scanner with some special software. When the scanner scan piece of paper into the computer and when it’s finish the O.C.R software then examines the page and changes the letters into a form that can be edited or processed by a normal word processing package.
  • 10. Optical Mark Reader (O.M.R)  Optical Mark Reader interprets the pattern of marks then sends the results to the computer for analysis and reporting. Magnetic Stripe Readers  Magnetic strips are usually found at the back of most credit cards.  The Magnetic Strip Reader can read personal details about the card number such as account number and name. Barcode Readers  A Barcode Reader is an automatic input device which is use to scan or read the barcode.  The barcode doesn’t contain the price of the item.
  • 11. OUTPUT DEVICES Examples of Output Devices :  Monitors  Printers  Laser Printers  Ink-Jet Printers  Dot-Matrix Printers  Plotters  Speakers
  • 12. Monitor  A monitor (or screen) is the most common use for output devices.  The picture on a monitor is made up of thousands of tiny colored dots called pixels.  The higher the number of pixels, the better quality of the output. Printers  Printers are another common output devices.  Most of the printers produce their output on paper but that doesn’t mean that the printer can do there printing only on the paper.
  • 13. Laser Printers  Laser printers are used in many workplaces because they can print a large number of sheets very quickly and they produce high quality documents.  Laser printers are quite expensive too because there produce a high quality of output and quiet fast. Ink-Jet Printers  Ink-jet printer are cheap and this are common use at home.  The color that it’s been printer out doesn’t need to be perfect. Dot-Matrix Printers  Dot-Matrix are the first type of printers that had been used at homes and schools but now as the technology goes on they are not used much nowadays.  Dot-matrix printer are noisy and low quality.
  • 14. Plotters  Plotters are a type of printer which is able to draw a high quality images on a very large pieces of paper. The paper were about 3 foot wide and 10 foot long.  The people who want to buy or use this plotters need to know how to use it as well.  Plotter are been used by the engineers, architects and map-makers to draw plans of buildings, diagrams of machines or large scale maps Speakers  Speakers usually produce a much higher quality of sound than the internal speaker.