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                                                                    Exhibit 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated January 14, 2000 relating to the
financial statements and financial statement schedule, which appears in
Teradyne Inc.'s Annual Report on Form 10-K for the year ended December 31, 1999.
We also consent to the reference to us under the heading "Experts" in such
Registration Statement.

/s/ PRICEWATERHOUSECOOPERS LLP
Boston, Massachusetts
October 5, 2000