Hardware (LO2)

Hardware (LO2)

1. Input

   • Keyboard
     • Qwerty
     • Concept Keyboard
       • Basic Idea of Speed Dial
       • Used in Fast food Restaurants
   • OCR(Optical Character Recognition)
     • Used in Questionnaires
     • Can Be A software Used with Scanners
     • To recognise Characters
   • OMR(Optical Mark Recognition)
     • Used To Input Multiple Chiose Questions
     • Recognises Marks
   • MICR(Magnetic Ink Character Recognition)
     • Used to Input Cheques
     • Recognises the magnetic ink in cheques
   • Scanner
   • Chip And Pin Reader
     • Used at point of sales(POS), Reads A smart card
   • Magnetic Stripe Reader
     • Also Used at POS. Used to read a credit card
   • Mice
     • Tracker Ball. Good For Small Spaced areas
     • Optical Mice(Infrared Light)
     • Mechanical
       • Like an optical mouse but instead of an infrared light there is a small ball.
   • Microphone
   • Webcam
   • Touch Screen
   • Graphics Tablet
   • Barcode Scanner
   • Biometric Scanners
     • Finger print
     • Optical(eye)
   • Joystick
   • Digital Camera

2. Output

   • Monitors
     • CRT(Cathode Ray Tube)
     • LCD(Liquid Crystal Display
     • TFT(Thin Film Transistor)
     • OLED(Organic Light Emitting Diode)
   • Plotter
     • Larger than a printer.
     • Moves a pen across a paper
     • CAD(computer aided design)
     • Used Commonly in Architecture
   • Projectors
     • CRT(Cathode Ray Tube) Projector
     • LCD(Liquid Crystal Display) Projector
     • DLP(Digital Light Processing) Projector
   • Printers
     • Inkjet
     • Laser
     • Dot Matrix
     • Thermal
   • Speakers