Computer Input Devices

Computer Input Devices

1. Webcam

   • Capturing digital images and video,e.g.when using Skype (VoIP) Voice Over Internet Protocol

2. Mouse

   • A pointing device (scrolling),used as a selection tool (right/left click),selecting applications,text,functions within programs etc

3. Microphone

   • Capturing Sound, , e.g. when using Skype;also used for voice recognition systems

4. MIDI Instruments

   • MIDI Instruments and is used to connect musical instruments to a computer,entering musical notes to be played

5. Barcode Reader

   • Captures digital information on a barcode

6. Scanner

   • Used to input hard copies of pictures/images and text into a computer

7. Remote control

   • Controls the functions of devices such as TVs,DVD players etc

8. Touch Screen

   • Displays information on a computer and allows for data input with virtual keyboard

9. Sensor

   • Captures information remotely such as distance,temperature,moisture,pressure etc.No human intervention is required.This input device is accurate

10. Graphic Tablet

    • A graphic tablet consists of a flat surface and a stylus which can be used to produce freehand drawings or trace around a more complicated image

11. Digital Camera

    • Takes pictures and stores then on a memory card which can be transferred to a computer

12. Joystick

    • The main use is to play computer games by controlling the way something moves on the screen

13. Concept Keyboard

    • Concept Keyboard are used in business e.g.pubs and fast food restaurants where the keyboard is pre-programmed with specific keys for food items (grid of images)

14. Digital Video Recorder

    • Used to take video films which can be input into a computer,can be an output too if includes a small in built monitor

15. Sip and Puff Device

    • This kind of switch is excellent for someone with limited physical mobility.The Sip and Puff Device tube is placed in the mouth,as the person sips or blows,a switch connected at the other end goes off or on.The switch itself is then connected to the computer.Specific software running on the computer can take this input and act on it any number of ways.

16. Magnetic strips and chip and PIN

    • A Magnetic strips and chip and PIN is a black strip on a plastic card and tends to hold static information useful for information that you do not want to alter.
    • Magnetic strips and chip and PIN refers to a card with a microchip and a PIN number that can process information.It is sometimes called a smartcard.The card needs to be placed in a special terminal that can read the chip.The PIN entered is checked to see if it matches the PIN registered to the chip.If a match is identified,the required processing can take place.