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Input/Output Devices

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Input/Output Devices
INPUT DEVICES:
1. Keyboard - The keyboard is a way to input letters or numbers into different applications or programs. A keyboard also has special keys that help operate the computer.
2. Mouse - The mouse is used to open and close files, navigate web sites, and click on a lot of commands (to tell the computer what to do) when using different applications.
3. Touch Screen - A touch screen is a computer screen or other screen that you can touch with your finger to enter information. Examples of touch screens include a smart board, a microwave, a dishwasher, or an ATM at a bank.
4. Joystick - A joystick is used to move the cursor from place to place, and to click on various items in programs. A joystick is used mostly for computer games.
5. Bar code reader - A bar code scanner scans a little label that has a bar code on it. The information is then saved on the computer. Bar code scanners are used in libraries a lot.
6. Graphics tablet - is a highly accurate hardware input device that enables an artist to draw or sketch easier than they would be able to do with a standard computer mouse.
7. Microphone - A microphone is used to record sound. The sound is then saved as a sound file on the computer.
8. Scanner - Hardware input device that allows a user to take an image or text and convert it into a digital file, allowing the computer to read or display the scanned object.
9. Disk Drive - A disk drive can hold a CD or a floppy disk. It reads the information on the disk so that the computer can use it.
10. Camera - most cameras like this are used during live conversations. The camera transmits a picture from one computer to another, or can be used to record a short video.
11. X-ray - X-rays are often used to display the contents of an object, such as the contents of a package, luggage, or the human body.
12. Webcam - is a hardware camera connected to a computer that allows anyone connected to the Internet to view either still pictures or motion video

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