Input/Output Devices

Topics: Input device, Video game, Graphics tablet Pages: 2 (802 words) Published: June 15, 2012
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 of a user...
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