INPUT & OUTPUT DEVICE. INPUT & OUTPUT HARDWRE. Input hardware consist of devices that translate data into computer readable form. On the other hand, Output hardware consist of devices that translate information processed by the computer into a human understandable form. INPUT DEVICES.
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Uses light to determine mouse motion.
The vertical zebra-striped marks on most manufactured retail product.
It can read the strange looking numbers printed at the bottom of the checks.
Device that can read pencil marks and converts them into computer usable form.
Common Use: SAT Exam, GRE Exam.
Device that can read preprinted character in a particular font and converts them into digital code.
Output can be of Two types
 CRT Monitor: Cathode Ray tube Monitor
 Flat Panel Monitor: Liquid crystal display, Plasma, LED.
Plotters create a hard copy rendition of a digitally rendered design. The design is sent to the plotter via a graphics card, and creates the design using a pen. Generally used with engineering applications, plotters basically draw an image using a series of straight lines.