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In order to read bar codes a special device is needed called a bar code scanner. It is an hand held device similar to a pricing gun. The laser is reads the codes on the label and
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Binary code is hard for humans to understand. First off you must know that binary code consists of 1s and 0s. These, when combined, mean different numbers. These numbers can then
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To read morse code you simply need to learn a new type of alphabet. Each letter is represented by a series of dashes and dots (or long beeps and short beeping sounds). For example
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1. Find the present location on the map. This can be done by unfolding the map and locating key points near a location such as major intersections, landmarks or cities. Be sure to
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