MidtermPracticeTest

MidtermPracticeTest - Midterm Practice test 1. A triangle...

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Midterm Practice test 1. A triangle wave A. contains odd partials only B. contains even partials only C. contains an error D. contains both odd and even partials 2. A sawtooth wave has a period of 10 milliseconds. Its frequency is A. 100Hz B. 1kHz C. .1 millisec D. .001 second 3. What is the decimal equivalent of this binary number: 0010 1100 A. 101,100 B. 28 C. 44 D. 26 4. How many bits in 7 bytes? A. 8 B. 56 C. 4 D. 128 5. The period of a 1000 Hz wave is A. .1 millisec B. .1 Hz C. 10 msec. D. .001 sec. 6. If there are 30 beats per minute and 8 notes to the beat, how long does each note last? A. eighth note B. .25 seconds C. 125 milliseconds D. 2.5 milliseconds 7. Which of the following is used to eliminate digital noise from a D/A converter output A. A/D convertor B. smoothing filter C. high-pass filter D. anti-aliasing filter 8. A 50% decrease in amplitude will result in a volume change of A. -6 dB B. -20 dB C. 6 dB D. 20 dB 9. What is the period of a note playing at 400 Hz? A. 250 milliseconds
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MidtermPracticeTest - Midterm Practice test 1. A triangle...

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