Activity: Build a Hard Drive
Posted on August 6th, 2009 by als
In this two-hour activity for grades 7-9, students learn about the practical uses, structure, mathematics and terminology of the binary number system. They learn how to convert a given number from the binary to the decimal number system and vice versa, and perform binary addition and subtraction as part of a class game. They use this understanding to build their own simple, mechanical “hard drive” — a box that uses binary numbers to represent words for later retrieval.
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