1. Creating a file called conversionutils.js. In this file, code the following functions: a. centi_to_milli: Takes a value for centimeters and returns the value in millimeters. b. meter_to_centi: Takes a value for meters and returns the value in centimeters. c. kilo_to_meter: Takes a value for kilometers and returns the value in meters. d. inch_to_centi: Takes a value for inches and returns the value in centimeters. e. feet_to_centi: Takes a value for feet and returns the value in centimeters. f. yard_to_meter: Takes a value for yards and returns the value in meters. g. mile_to_meter: Takes a value for miles and returns the value in meters. h. mile_to_kilo: Takes a value for miles and returns the value in kilometers. Make sure to export your functions to make this a module. 2. Create a file called conversion.js. Start by importing your conversionutils module. When I run the conversion program, it should display a menu with all the different conversion choices. When I make a selection, it should prompt me for a value and display the conversion result by invoking the function in the module. The program should continuously display the menu until I select the exit option. The program should display an error message if I select an invalid option and prompt me until I select a valid menu option. Please fix the program i wrote below: conversion.js const readline = require('readline'); const conversionutils = require("./conversionutils"); const rl = readline.createInterface({ input: process.stdin, output: process.stdout }); let option; while (option !== "exit") { console.log("1. Centimeters to Millimeters"); console.log("2. Meters to Centimeters"); console.log("3. Kilometers to Meters"); console.log("4. Inches to Centimeters"); console.log("5. Feet to Centimeters"); console.log("6. Yards to Meters"); console.log("7. Miles to Meters"); console.log("8. Miles to Kilometers"); console.log("Type 'exit' to quit"); rl.question("What is your choice? ", (option) => { if (option === "1") { const centi = reader.questionFloat("Enter a value in centimeters: "); const result = conversionutils.centi_to_milli(centi); console.log(`${centi} centimeters is equal to ${result} millimeters.`); } else if (option === "2") { const meter = reader.questionFloat("Enter a value in meters: "); const result = conversionutils.meter_to_centi(meter); console.log(`${meter} meters is equal to ${result} centimeters.`); } else if (option === "3") { const kilo = reader.questionFloat("Enter a value in kilometers: "); const result = conversionutils.kilo_to_meter(kilo); console.log(`${kilo} kilometers is equal to ${result} meters.`); } else if (option === "4") { const inch = reader.questionFloat("Enter a value in inches: "); const result = conversionutils.inch_to_centi(inch); console.log(`${inch} inches is equal to ${result} centimeters.`); } else if (option === "5") { const feet = reader.questionFloat("Enter a value in feet: "); const result = conversionutils.feet_to_centi(feet); console.log(`${feet} feet is equal to ${result} centimeters.`); } else if (option === "6") { const yard = reader.questionFloat("Enter a value in yards: "); const result = conversionutils.yard_to_meter(yard); console.log(`${yard} yards is equal to ${result} meters.`); } else if (option === "7") { const mile = reader.questionFloat("Enter a value in miles: "); const result = conversionutils.mile_to_meter(mile); console.log(`${mile} miles is equal to ${result} meters.`); } else if (option === "8") { const mile = reader.questionFloat("Enter a value in miles: "); const result = conversionutils.mile_to_kilo(mile); console.log(`${mile} miles is equal to ${result} kilometers.`); } else if (option === "exit") { console.log("Goodbye!"); } else { console.log("Invalid option. Please try again."); } rl.close(); } )}

1. Creating a file called conversionutils.js. In this file, code the following functions: a. centi_to_milli: Takes a value for centimeters and returns the value in millimeters. b. meter_to_centi: Takes a value for meters and returns the value in centimeters. c. kilo_to_meter: Takes a value for kilometers and returns the value in meters. d. inch_to_centi: Takes a value for inches and returns the value in centimeters. e. feet_to_centi: Takes a value for feet and returns the value in centimeters. f. yard_to_meter: Takes a value for yards and returns the value in meters. g. mile_to_meter: Takes a value for miles and returns the value in meters. h. mile_to_kilo: Takes a value for miles and returns the value in kilometers. Make sure to export your functions to make this a module. 2. Create a file called conversion.js. Start by importing your conversionutils module. When I run the conversion program, it should display a menu with all the different conversion choices. When I make a selection, it should prompt me for a value and display the conversion result by invoking the function in the module. The program should continuously display the menu until I select the exit option. The program should display an error message if I select an invalid option and prompt me until I select a valid menu option. Please fix the program i wrote below: conversion.js const readline = require('readline'); const conversionutils = require("./conversionutils"); const rl = readline.createInterface({ input: process.stdin, output: process.stdout }); let option; while (option !== "exit") { console.log("1. Centimeters to Millimeters"); console.log("2. Meters to Centimeters"); console.log("3. Kilometers to Meters"); console.log("4. Inches to Centimeters"); console.log("5. Feet to Centimeters"); console.log("6. Yards to Meters"); console.log("7. Miles to Meters"); console.log("8. Miles to Kilometers"); console.log("Type 'exit' to quit"); rl.question("What is your choice? ", (option) => { if (option === "1") { const centi = reader.questionFloat("Enter a value in centimeters: "); const result = conversionutils.centi_to_milli(centi); console.log(`${centi} centimeters is equal to ${result} millimeters.`); } else if (option === "2") { const meter = reader.questionFloat("Enter a value in meters: "); const result = conversionutils.meter_to_centi(meter); console.log(`${meter} meters is equal to ${result} centimeters.`); } else if (option === "3") { const kilo = reader.questionFloat("Enter a value in kilometers: "); const result = conversionutils.kilo_to_meter(kilo); console.log(`${kilo} kilometers is equal to ${result} meters.`); } else if (option === "4") { const inch = reader.questionFloat("Enter a value in inches: "); const result = conversionutils.inch_to_centi(inch); console.log(`${inch} inches is equal to ${result} centimeters.`); } else if (option === "5") { const feet = reader.questionFloat("Enter a value in feet: "); const result = conversionutils.feet_to_centi(feet); console.log(`${feet} feet is equal to ${result} centimeters.`); } else if (option === "6") { const yard = reader.questionFloat("Enter a value in yards: "); const result = conversionutils.yard_to_meter(yard); console.log(`${yard} yards is equal to ${result} meters.`); } else if (option === "7") { const mile = reader.questionFloat("Enter a value in miles: "); const result = conversionutils.mile_to_meter(mile); console.log(`${mile} miles is equal to ${result} meters.`); } else if (option === "8") { const mile = reader.questionFloat("Enter a value in miles: "); const result = conversionutils.mile_to_kilo(mile); console.log(`${mile} miles is equal to ${result} kilometers.`); } else if (option === "exit") { console.log("Goodbye!"); } else { console.log("Invalid option. Please try again."); } rl.close(); } )}

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

1. Creating a file called conversionutils.js. In this file, code the following functions:

a. centi_to_milli: Takes a value for centimeters and returns the value in millimeters.
b. meter_to_centi: Takes a value for meters and returns the value in centimeters.
c. kilo_to_meter: Takes a value for kilometers and returns the value in meters.
d. inch_to_centi: Takes a value for inches and returns the value in centimeters.
e. feet_to_centi: Takes a value for feet and returns the value in centimeters.
f. yard_to_meter: Takes a value for yards and returns the value in meters.
g. mile_to_meter: Takes a value for miles and returns the value in meters.
h. mile_to_kilo: Takes a value for miles and returns the value in kilometers.

Make sure to export your functions to make this a module.

2. Create a file called conversion.js. Start by importing your conversionutils module. When I run the conversion program, it should display a menu with all the different conversion choices. When I make a selection, it should prompt me for a value and display the conversion result by invoking the function in the module. The program should continuously display the menu until I select the exit option. The program should display an error message if I select an invalid option and prompt me until I select a valid menu option.

Please fix the program i wrote below:

conversion.js

const readline = require('readline');

const conversionutils = require("./conversionutils");

const rl = readline.createInterface({

input: process.stdin,

output: process.stdout

});

let option;

while (option !== "exit") {

console.log("1. Centimeters to Millimeters");

console.log("2. Meters to Centimeters");

console.log("3. Kilometers to Meters");

console.log("4. Inches to Centimeters");

console.log("5. Feet to Centimeters");

console.log("6. Yards to Meters");

console.log("7. Miles to Meters");

console.log("8. Miles to Kilometers");

console.log("Type 'exit' to quit");

rl.question("What is your choice? ", (option) => {

if (option === "1") {

const centi = reader.questionFloat("Enter a value in centimeters: ");

const result = conversionutils.centi_to_milli(centi);

console.log(`${centi} centimeters is equal to ${result} millimeters.`);

} else if (option === "2") {

const meter = reader.questionFloat("Enter a value in meters: ");

const result = conversionutils.meter_to_centi(meter);

console.log(`${meter} meters is equal to ${result} centimeters.`);

} else if (option === "3") {

const kilo = reader.questionFloat("Enter a value in kilometers: ");

const result = conversionutils.kilo_to_meter(kilo);

console.log(`${kilo} kilometers is equal to ${result} meters.`);

} else if (option === "4") {

const inch = reader.questionFloat("Enter a value in inches: ");

const result = conversionutils.inch_to_centi(inch);

console.log(`${inch} inches is equal to ${result} centimeters.`);

} else if (option === "5") {

const feet = reader.questionFloat("Enter a value in feet: ");

const result = conversionutils.feet_to_centi(feet);

console.log(`${feet} feet is equal to ${result} centimeters.`);

} else if (option === "6") {

const yard = reader.questionFloat("Enter a value in yards: ");

const result = conversionutils.yard_to_meter(yard);

console.log(`${yard} yards is equal to ${result} meters.`);

} else if (option === "7") {

const mile = reader.questionFloat("Enter a value in miles: ");

const result = conversionutils.mile_to_meter(mile);

console.log(`${mile} miles is equal to ${result} meters.`);

} else if (option === "8") {

const mile = reader.questionFloat("Enter a value in miles: ");

const result = conversionutils.mile_to_kilo(mile);

console.log(`${mile} miles is equal to ${result} kilometers.`);

} else if (option === "exit") {

console.log("Goodbye!");

} else {

console.log("Invalid option. Please try again.");

}

rl.close();

}

)}

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