MidtermPracticeTestAnswers

- M idterm Practice test with answers 1 A triangle wave A contains odd partials only B contains even partials only C contains an error D contains

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Midterm Practice test with answers 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 10msec = .01 sec = 1/100 sec inverse of 1/100 = 100Hz A. 100Hz B. 1kHz C. .1 millisec D. .001 second 3. What is the decimal equivalent of this binary number: 0010 1100 32 + 8 + 4 = 44 A. 101,100 B. 28 C. 44 D. 26 4. How many bits in 7 bytes? 7 * 8 bits/byte = 56 A. 8 B. 56 C. 4 D. 128 5. The period of a 1000 Hz wave is 1/1000 cycles per second = .001 sec A. .1 millisec B. .1 Hz C. 10 msec. D. .001 sec.
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6. If there are 30 beats per minute and 8 notes to the beat, how long does each note last? 30 bpm /60 seconds per minute = 1/2 beat per second so period of a beat is 2 seconds per beat. 2 divided by 8 notes per beat gives 1/4 or .24 seconds per note 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
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This note was uploaded on 04/04/2011 for the course MUSIC STUD 4711 taught by Professor Brokaw during the Spring '10 term at Temple.

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- M idterm Practice test with answers 1 A triangle wave A contains odd partials only B contains even partials only C contains an error D contains

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