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The Company | 12 Months Ended
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Dec. 31, 2014
The Company | A. THE COMPANY Teradyne, Inc. is a leading global supplier of automatic test equipment. Teradyne’s automatic test equipment products and services include:
| • |  | semiconductor test (“Semiconductor Test”) systems;
| • |  | wireless test (“Wireless Test”) systems; and
| • |  | defense/aerospace (“Defense/Aerospace”) test instrumentation and systems, storage test (“Storage Test”) systems, and circuit-board test and inspection (“Production Board Test”) systems (collectively these products represent “System Test”).

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- Definition The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592 + Details
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