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Hardware: Input/output and I/O Devices<br />Maggie Russo<br />Morgan Bernstein<br />
Input/output (I/O)<br />Input is how data is received into a computer system which results in outputthat is displayed to t...
Input Devices<br />The input device captures data and enters it into the computer system.<br />Source Data Automation<br /...
General-Purpose Input Device<br />General-purpose input devices can be used in multiple computing activities.<br />Keyboar...
General-Purpose Input Devices Cont’d<br />Users can use finger or stylus to directly select objects on a screen with the u...
Special-Purpose Input Devices<br />Special-purpose input devices are used in specific computing activities.<br />Game cont...
Special-Purpose Input Devices Cont’d<br />Magnetic ink character recognition (MICR)<br />Optical character recognition (OC...
Output Devices<br />Output devices allow users to view the results of the input.<br />Historically visual and audio<br />V...
Video Card<br />Video card/graphic cards translates binary data from the CPU and turns it into a picture that video users ...
Video Card Cont’d<br />Desktop systems <br />Graphics Processing Unit (GPU)<br />Notebook systems<br />Integrated Graphics...
Display<br />A display allows users to view the output on a screen.<br />Display screens = monitors<br />Display Options:<...
Display Technologies<br />Cathode ray tube (CRT) display<br />Reads electron beams across a fluorescent screen.<br />Liqui...
Display Technologies Cont’d<br />Light emitting diode (LED) display<br />Uses LEDs to provide backlight<br />Green Technol...
Printer <br />Printers create “hard copy” output<br />Pages printed per minute (PPM)<br />Types of Printers:<br />Laser pr...
Audio and Special Media Output<br />Audio and Special Media Output devices provide output other than sight.<br />Sounds sy...
Audio and Special Media Output Cont’d<br />Screen-reader programs for vision impaired<br />JAWS<br />Haptic Output<br />Vi...
Expansion<br />Expansions enable computers to interact with various external devices.<br />External devices = peripherals<...
Expansion Cont’d<br />Expansion Cardis used for specialty peripheral devices<br />Expansion Slots are located in motherboa...
Innovative I/O Technologies<br />There are endless possibilities for new I/O technologies<br />USB Mini Fridge<br />Mini U...
Credits and References<br />Websites:<br />http://portal.acm.org/citation.cfm?id=307729<br />http://www.howstuffworks.com/...
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Input outputdevicesppt

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Input outputdevicesppt

  1. 1. Hardware: Input/output and I/O Devices<br />Maggie Russo<br />Morgan Bernstein<br />
  2. 2. Input/output (I/O)<br />Input is how data is received into a computer system which results in outputthat is displayed to the user.<br />Multi-purpose devices: UPS device for signatures<br />
  3. 3. Input Devices<br />The input device captures data and enters it into the computer system.<br />Source Data Automation<br />General-Purpose and Special-Purpose <br />
  4. 4. General-Purpose Input Device<br />General-purpose input devices can be used in multiple computing activities.<br />Keyboard<br />QWERTY<br />Pointing Devices select items displayed on a screen.<br />
  5. 5. General-Purpose Input Devices Cont’d<br />Users can use finger or stylus to directly select objects on a screen with the use of Touch Screens.<br />Users can use multiple fingers to select objects with Multitouch Displays.<br />
  6. 6. Special-Purpose Input Devices<br />Special-purpose input devices are used in specific computing activities.<br />Game controllers and joysticks, webcams, hand held scanners…<br />
  7. 7. Special-Purpose Input Devices Cont’d<br />Magnetic ink character recognition (MICR)<br />Optical character recognition (OCR)<br />Point-of-sale (POS) devices<br />Optical mark recognition (OMR)<br />Scantron reader<br />
  8. 8. Output Devices<br />Output devices allow users to view the results of the input.<br />Historically visual and audio<br />Virtual reality systems, new wave of output<br />Displays, Printers, Speakers<br />
  9. 9. Video Card<br />Video card/graphic cards translates binary data from the CPU and turns it into a picture that video users can see.<br />Graphics Processing Unit (GPU)<br />
  10. 10. Video Card Cont’d<br />Desktop systems <br />Graphics Processing Unit (GPU)<br />Notebook systems<br />Integrated Graphics Processor<br />
  11. 11. Display<br />A display allows users to view the output on a screen.<br />Display screens = monitors<br />Display Options:<br />High definition (HDTV)- 2xs the resolution<br />3D displays- home systems<br />LCD projectors<br />
  12. 12. Display Technologies<br />Cathode ray tube (CRT) display<br />Reads electron beams across a fluorescent screen.<br />Liquid crystal display (LCD)<br />Uses liquid crystals to display images on a backlit screen<br />Plasma Display<br />Uses plasma gas to create light<br />
  13. 13. Display Technologies Cont’d<br />Light emitting diode (LED) display<br />Uses LEDs to provide backlight<br />Green Technology<br />Electronic Paper (e-paper)<br />Uses electric charges to display the image<br />Kindle<br />
  14. 14. Printer <br />Printers create “hard copy” output<br />Pages printed per minute (PPM)<br />Types of Printers:<br />Laser printer<br />Ink Jet printer<br />Photo printers<br />Multifunction printers <br />Plotters<br />3D printer<br />
  15. 15. Audio and Special Media Output<br />Audio and Special Media Output devices provide output other than sight.<br />Sounds systems: <br />CD/MP3 music players<br />DVD/Blu-ray disk players<br />Multimedia and gaming enthusiasts<br />Surround sound with subwoofers<br />
  16. 16. Audio and Special Media Output Cont’d<br />Screen-reader programs for vision impaired<br />JAWS<br />Haptic Output<br />Vibrations<br />The Scent Dome from TriSenx<br />Olfactory-directed output<br />Edible Output<br />
  17. 17. Expansion<br />Expansions enable computers to interact with various external devices.<br />External devices = peripherals<br />Ports connect to peripherals<br />Universal Serial Bus (USB)<br />USB 3.0 is the fastest <br />
  18. 18. Expansion Cont’d<br />Expansion Cardis used for specialty peripheral devices<br />Expansion Slots are located in motherboard<br />Wireless technologies <br />Bluetooth <br />
  19. 19. Innovative I/O Technologies<br />There are endless possibilities for new I/O technologies<br />USB Mini Fridge<br />Mini USB Monitor<br />USB Lamp<br />Any Questions?<br />
  20. 20. Credits and References<br />Websites:<br />http://portal.acm.org/citation.cfm?id=307729<br />http://www.howstuffworks.com/graphics-card.htm<br />http://www.thinkgeek.com/computing/accessories/96b3/<br />Pictures:<br />http://commons.wikimedia.org/wiki/File:Wheel_mouse.JPG<br />http://commons.wikimedia.org/wiki/File:Epson-inkjet-printer.jpg<br />http://upload.wikimedia.org/wikipedia/commons/6/64/Keyboard_sepia.jpg<br />http://www.public-domain-photos.com/free-cliparts/computer/other/mouse_pointer_wolfram_es_03-2488.htm<br />http://www.flickr.com/photos/daveiam/3584280604/<br />http://commons.wikimedia.org/wiki/File:IPad-02.jpg<br />http://www.flickr.com/photos/35034350906@N01/295891693<br />http://commons.wikimedia.org/wiki/File:Webcam_grayscale.jpg<br />http://commons.wikimedia.org/wiki/File:Barcode-scanner.jpg<br />http://www.flickr.com/photos/sercasey/324341982/<br />http://commons.wikimedia.org/wiki/File:Nubus_graphics_card.jpg<br />http://www.behance.net/Gallery/Vector-Led-Cinema/251651<br />http://www.flickr.com/photos/43602175@N06/4069260433/<br />http://commons.wikimedia.org/wiki/File:USB_Plugs.jpg<br />http://commons.wikimedia.org/wiki/File:PCI-USB11-card.jpg<br />http://commons.wikimedia.org/wiki/File:Bluetooth_Logo_on_mouse_(backlit).jpg<br />

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