Bar code scanners are designed to read imprinted bar / matrix code symbologies. Bar code scanners can be slot card scanners, fixed mount scanners, or hand-held scanners.
Hand held bar code scanners are used typically as inventory or point of sale (POS) devices. These scanners are passed over bar codes manually to read data. They often have a gun or wand design.
Computers are programmable electronic devices that accept data, execute prerecorded instructions, perform mathematical and logical operations, and output results.
Desktop personal computers (PCs) are small, relatively inexpensive computers that are designed for individual users. Typically, these devices include a monitor, keyboard, mouse, and other peripherals.
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