Input - the reader is reading the bar code and putting the information into the computer
A bar code reader is an input Device. Although they sometimes output a visible light, the purpose is to gather data from a printed code and input that data into your system (computer, Point of Sale, etc.)
yes... Remember this: If it's a "reader", it's input. If it's a "writer", it's output.
A bar code reader is an input Device. Although they sometimes output a visible light, the purpose is to gather data from a printed code and input that data into your system (computer, Point of Sale, etc.)
Input because it is sending data to the computer.
A bar code printer or any kind of printer is an output device.
A bar-code reader.
A bar-code reader.
Input device
The input and output devices of a computer are normally abbreviated as I/O devices.There are a variety of input units,which are used by computers.THE MOST COMMONLY USED UNIT OF THIS TYPE IS A KEYBOARD AND A MOUSE OF A DESKTOP COMPUTER.Special purpose units are scanners,magnetic ink character reader,optical mark reader,optical character reader and bar code reader.
A)mouseB)Barcode readerC)Optical Mark readerD) Printer
These are all example's of Data Input device's - as opposed to Data Output Device's like Monitor's, Projector's, Printer's etc.
A bar code scanner is an input device. While it does contain a laser, the laser is used to read the data, not to communicate anything to the user. The bar code scanner reads the UPC codes into the cash register or point of sale system.