Input devices

Input devices

1. MIDI instrument

   • A MIDI instrument is used to connect musical instruments to a computer, entering musical notes to be played.

2. Mouse

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

3. Webcam

   • Capturing digital images or video e.g. when using skype (VoIP) voice over internet protocol.

4. Microphone

   • Capturing sound e.g. when using skype also used for voice recognition systems.

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. Touchscreen

   • Displays information on a computer and allows for data input with virtual keyboard. a touchscreen can detect exactly where on its surface it has been touched e.g. touchscreens are used in railway stations for ticket purchase

9. Keyboard

   • a typewriter-style device, which uses an arrangement of pre-programmed buttons or keys. allows for data entry into a computer device.

10. Sensor

    • Captures information remotely such as distance, tempreature, moisture, pressure etc. no human intervention is required. this input device is accurate.

11. Graphics camera

    • A graphics camera consistes of a flat surface and a stylus which can be used to produce freehand drawings or trace around a more complicated image.

12. Digital camera

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

13. Joystick

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

14. Concept keyboard

    • A concept keyboard is 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)

15. Digital 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

16. Sip and puff device

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

17. magnetic strips

    • A magnetic strip is a black strip on a plastic card and rends to hold static information useful for information that you do not want to alter.

18. Magnetic strips and chip and pin

    • 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 need take placed in a special terminal that can red 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.VSA