An experiment has been designed to evaluate multiple testing techniques for combinational circuits. To perform the experiment, a 25k gate CMOS Test Chip has been designed, manufactured (5491 devices), and evaluated with over 300 tests. The chip contains five types of CUTs derived from functions in production ASICs.

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What does instructional leadership entail? Must the principal personally conduct every activity related to such leadership? To answer these questions, the authors surveyed more than 200 principals in Virginia high schools. What they learned is described here.

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