Hardware Devices

Hardware Devices

1. Input Devices

   • Keyboard
     • Commonly used data entry method - the user presses a key and a code is entered into the computer. Speciality keyboards are used to in restaurants where each menu item is pressed to take an order.
   • Pointing devices map
     • A mouse is the most popular pointing and selection device used in computing; touch pads and track balls as also types of pointing devices that are used on laptop/netbook computers
   • Microphone
     • Microphones used to input sound into a computer system. often used in video conferencing and voice recognition software
   • Barcode Sscanner
     • Barcode readers are used to input data automatically from barcodes. The barcode reader scans the barcode using a visible red light, which is then used to identify the details of a product
   • Joystick / Games Controler
     • Joystick is used to play computer games by controlling the way that something moves on the screen; it can also be used to control devices such as a wheelchair
   • Webcam
     • Digital image captured and input into system for use in on screen display or videoconfrencing
   • Sensors
     • Sensors are used to play to dectect physical variables for input into a computer control system, such as temperature, pressure and light

2. Output Devices

   • Flat Screen Monitor
   • Speakers
   • Inkjet Printer
   • Lazer Printer
   • LED Lights
   • Actuator
   • Speciality Devices