Technology At Work | Discovery Education - 0 views
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Kristy Keith on 29 Feb 12abacus Definition: A manual computing device consisting of a frame holding parallel rods strung with movable counters. Context: This is an abacus. This counting machine was first used in China and the Middle East. central processing unit Definition: The part of a computer that interprets and executes instructions. Context: The bits are sent to the computer's brain, the CPU, where they are translated back into words and pictures and symbols on the screen. e-mail Definition: Messages sent and received electronically via telecommunications links. Context: You can send an e-mail message from the U.S. to almost anywhere in the world in just seconds. modem Definition: A device that converts information from your computer into signals that can travel through telephone lines. Context: A modem takes information from your computer and turns it into a signal that can travel through the telephone lines. Uniform Resource Locator (URL) Definition: The address of a Web page, which allows people to find the page on the Internet. Context: A Web page address is called a URL; that is an acronym that stands for uniform resource locator. scanner Definition: A device that allows one to convert pictures into images on the computer. Context: You can also use a scanner to turn pictures into images on the computer that you can put on your Web site. Back to Top Standards This lesson plan may be used to address the academic standards listed below. These standards are drawn from Content Knowledge: A Compendium of Standards and Benchmarks for K-12 Education: 2nd Edition and have been provided courtesy of theMid-continent Research for Education and Learningin Aurora, Colorado. Grade level: K-2 Subject area: science Standard: Understands the nature of technological design. Benchmarks: Knows that some objects occur in nature, whereas others have been designed and made by people to solve human problems. Grade level: 3-5 Subject area: sc
