On a piano, a key has a frequency, say fo. Each higher key (black or white) has a frequency of fo * r, where n is the distance (number of keys) from that key, and r is 2(1/12) Given an initial key frequency, output that frequency and the next 3 higher key frequencies. Output each floating-point value with two digits after the decimal point, then the units ("Hz"), then a newline, using the following statement printf("%0.21f Hz\n", yourValue); Ex: If the input is 440.0 (which is the A key near the middle of a piano keyboard), the output is 440.00 Hz 466.16 Hz 493.88 Hz 523.25 Hz Note: To compute the next 3 higher key frequencies, use one statement to computer = 2(1/12) using the pow function (remember to include the math library). Then use that r in subsequent statements that use the formula fo=f0 *r" with n being 1, 2, and finally 3. S Run v main.c 1 #include 2 3 int main(void) { Reset Lab Tutorial

On a piano, a key has a frequency, say fo. Each higher key (black or white) has a frequency of fo * r, where n is the distance (number of keys) from that key, and r is 2(1/12) Given an initial key frequency, output that frequency and the next 3 higher key frequencies. Output each floating-point value with two digits after the decimal point, then the units ("Hz"), then a newline, using the following statement printf("%0.21f Hz\n", yourValue); Ex: If the input is 440.0 (which is the A key near the middle of a piano keyboard), the output is 440.00 Hz 466.16 Hz 493.88 Hz 523.25 Hz Note: To compute the next 3 higher key frequencies, use one statement to computer = 2(1/12) using the pow function (remember to include the math library). Then use that r in subsequent statements that use the formula fo=f0 *r" with n being 1, 2, and finally 3. S Run v main.c 1 #include 2 3 int main(void) { Reset Lab Tutorial

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

On a piano, a key has a frequency, say f0. Each higher key (black or white) has a frequency of fo* r, where n is the distance (number of
keys) from that key, and r is 21/12) Given an initial key frequency, output that frequency and the next 3 higher key frequencies.
Output each floating-point value with two digits after the decimal point, then the units ("Hz"), then a newline, using the following
statement:
printf("$0.21f Hz\n", yourValue);
Ex: If the input is:
440.0
(which is the A key near the middle of a piano keyboard), the output is:
440.00 Hz
466.16 Hz
493.88 Hz
523.25 Hz
Note: To compute the next 3 higher key frequencies, use one statement to computer = 2(1/12) using the pow function (remember to
include the math library). Then use that r in subsequent statements that use the formula f = f0 *r¹ with n being 1, 2, and finally 3.
O
Run v
main.c
1
2
3 int main(void) {
#include <stdio.h>
Reset Lab Tutorial
Ⓡ

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