Input Devices

• There are literally thousands of devices that are used for data entry and input.
• Put the data into the system
• input devices range from special purpose devices that capture specific types of data to more general input types of devices.
• The most common input devices are:
1. Keyboard: used to enter characters , text and basic commands
2. Mouse: is used to "point to " and "click on" symbols, icons, menus and commands on the screen.
3. Voice recognition devices: are another type of input device that recognizes human speech. These tools use microphones are special software to convert human speech into digital sigals
4. Digital cameras: stores images electronically and allows you to edit the pictures on any PC.
5. Scanning devices: images and documents can be inputted using a scanning device. Scanning devices utilize photo copier technology.
6. Barcode Scanners: are special scanning devices that can be used to scan documents, An example is the optical scanner used to read barcodes in the supermarket.
7. Touch sensitive screens: allows display screen to function as input as well as output devices, Touch screens have become very popular for information and service kiosk.(terminal= both input and output)