THE MAGAZINE FOR COMPUTER APPLICATIONS
Circuit Cellar Online offers articles illustrating creative solutions
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tutorials, and useful design techniques.

WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 1—Why is aluminum the preferred material for heatsinks?

ANSWER

Problem 2—What is the difference between the Discrete Fourier Transform and the Discrete Cosine Transform, and why is the latter preferred for compression algorithms?

ANSWER

Problem 3—When discussing parameter passing in high-level languages, what are the differences among call-by-value, call-by-reference, and call-by-name?

ANSWER

Problem 4—At what rate does a GPS receiver get data (the "navigation message") from a GPS satellite?

ANSWER

Problem 5—What is "one-hot encoding" in state machines?

ANSWER

Problem 6—What are Dirichlet's conditions for Fourier Transformability?

ANSWER

Problem 7—What are precision rectifiers?

ANSWER

Problem 8—What is "base width modulation" in transistors?

ANSWER

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