Devices

4. User presses a physical key. An electronic chip senses the key press and produces a digital code to represent the meaning of the key.
7. Data is read by starting at the beginning and reading through every record until you find the one that you want.
8. A device that converts data that has been processes into physical real world information for the user.
10. Requires less human interaction as some part of the input process is automated. E.g. A barcode reader abstaining product codes and prices from an item at a supermarket
11. An input device that allow hard copies of images or text to be transferred to a computer
12. Controls the position of the pointer on the screen in any computer system
13. Transmitting several bits of data simultaneously using multiple lines. E.g. the pathways between the CPU and memory.

1. Used to control objects on a screen in computer games, flight simulators, etc
2. An item of hardware that is connected to a computer to add extra functionality
3. A device that converts data from the real world into data that can be sent to the computer for processing.
5. A camera that allows you to take picture, recording video and video conferencing
6. Used for printing text, graphics and photos very quickly, also with high quality. It can be used to print digital photography and small documents.
9. Used by people to enter data by hand. The keyboard is the most common type of input device.