Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
build a flowchart for this programming exercise the area of a rectangle is calculated according to the following formula: area = width * length. design a function that accepts a rectangle's width and length as arguments and returns the rectangle's area
Expert Solution
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What is flowchart ?
A flowchart is work flow of any logical program or algorithm which is represented using diagram.
Flowchart are easy to understand and debug or dry run program
Flowchart consists of some important symbols :
Terminal
- Rounded rectangle for starting and ending.
Flow Lines
- Lines which shows the flow direction
Input/Output
- Parallelogram diagram for input/output operations
Process
- Rectangle shows process which is calculation or cuputations
Decision
- Diamond shape represent condition for tasking decision
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- The prompt asks: Write a function that calculates the amount of money a person would earn over a period of years if his or her salary is one penny the first day, two pennies the second day, and continues to double each day. The program should ask the user for the number of years and call the function which will return the total money earned in dollars and cents, not pennies. Assume there are 365 days in a year. function totalEarned(years) { } var yearsWorked = parseInt(prompt('How many years will you work for pennies a day? ')); alert('Over a total of ' + yearsWorked + ', you will have earned $' + totalEarned(yearsWorked));arrow_forwardProblem 2: Simple Interest The formula for computing the future value of an amount that is increasing due to accumulating simple interest is F=P(1+rxi) Where F is the future value, P is the present value, is the annual interest rate (decimal value not percent), and is the total time period in years. Write a function named simpleInterest that accepts values for the three variables P, and and assings them to the output variable futureValue Function Code to call your function > Save C Reset function [futureValue] =simpleInterest (presentValue, interest RatePercent, time Years) %Enter commands to perform the computation and assign the results 3 %to the output variable defined in the function command in line 1. 1 [futureValue] =simpleInterest (10000,5.25,5) My Solutions > MATLAB Documentation C Reset Run Functionarrow_forwardMathematical functions introduced in chapter 4 can be used in the mathematical calculations and simulations of the engineering and scientific problems. In these cases, we formulate the mathematical problem and then use the computer for calculations and simulations. Can a computer code solve the math problem and come up with mathematical formulas, i.e. can a computer program do what a mathematician does?arrow_forward
- Create a function that takes a number as an argument and returns "Fizz", "Buzz" or "FizzBuzz" If the number is a multiple of 3 the output should be "Fizz" • If the number given is a multiple of 5, the output should be "Buzz" If the number given is a multiple of both 3 and 5, the output should be "FizzBuzz" ● • If the number is not a multiple of either 3 or 5, the number should be output on its own as shown in the examples below. • The output should always be a string even if it is not a multiple of 3 or 5. Examples fizz buzz (3) → "Fizz" fizz buzz (5) → "Buzz" fizz buzz (15) ➡ "FizzBuzz" fizz buzz (4) "4" (Ctrl)arrow_forwardPART I: Functions – Math Test Write the Flowchart and Python code for the following programming problem based on the pseudocode below. Write a program that will allow a student to enter their name and then ask them to solve 10 mathematical equations. The program should display two random numbers that are to be added, such as: 247 + 129 The program should allow the student to enter the answer. The program should then display whether the answer was right or wrong, and accumulate the correct values. After the 10 questions are asked, calculate the average correct. Then display the student name, the number correct, and the average correct in both decimal and percentage format. In addition to any system functions you may use, you might consider the following functions: A function that allows the student to enter their name. A function that gets two random numbers, anywhere from 1 to 500. A function that displays the equation and asks the user to enter their answer. A function that…arrow_forwardc not c++arrow_forward
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