Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
5th Edition
ISBN: 9780134801155
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 3DE
The programmer intended the following pseudocode to get five sets of two numbers each, calculate the sum of each set, and calculate the sum of all the numbers entered. It will not function as intended, however. Find the error.
// This
Declare Integer number, sum, total
Declare Integer sets, numbers
Constant Integer MAX_SETS = 5
Constant Integer MAX_NUMBERS = 2
Set sum = 0;
Set total = 0;
For sets = 1 To MAX_NUMBERS
For numbers = 1 To MAX_SETS
Display "Enter number ", numbers, " of set ", sets, "."
Input number ;
Set sum = sum + number
End For
Display "The sum of set " sets, " is , sum, "."
Set total = total + sum
Set sum = 0
End For
Display "The total of all the sets is total , "."
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You will use sequential, selection and repetition programming statements.
You will define one integer number: count
count will store how many times valid weights and values have been entered.
You will define a variety of doubles: weight, value, sum, sumw, avg value will store the input value
weight will store the input weight for that value
sum will store the running sum of values and weights sumw will store the running of the weights
avg will store the weighted average of the 5 numbers and 5 weights input.
The running sum will be calculated by this formula: sum = sum + value * weight
For example, if the first value and weight pair entered is 4, 1 and second pair is 10, 3: sum = sum + value*weight = 0 + 4*1
sum = 4 + 10*3 = 34 sumw = 1 + 3 = 4
Values and sum are to be input and calculated within a repetition loop:
while count < 5 Input value, weight
sumw = sumw + weight
sum = sum + value * weight
count = count + 1
End while
Avg is calculated by:
avg =…
You will use sequential, selection and repetition programming statements.
You will define one integer number: count
count will store how many times valid weights and values have been entered.
You will define a variety of doubles: weight, value, sum, sumw, avg value will store the input value
weight will store the input weight for that value
sum will store the running sum of values and weights sumw will store the running of the weights
avg will store the weighted average of the 5 numbers and 5 weights input.
The running sum will be calculated by this formula: sum = sum + value * weight
For example, if the first value and weight pair entered is 4, 1 and second pair is 10, 3: sum = sum + value*weight = 0 + 4*1
sum = 4 + 10*3 = 34 sumw = 1 + 3 = 4
Values and sum are to be input and calculated within a repetition loop:
while count < 5 Input value, weight
sumw = sumw + weight
sum = sum + value * weight
count = count + 1
End while
Avg is calculated by:
avg =…
You will use sequential, selection and repetition programming statements.
You will define one integer number: count
count will store how many times valid weights and values have been entered.
You will define a variety of doubles: weight, value, sum, sumw, avg value will store the input value
weight will store the input weight for that value
sum will store the running sum of values and weights sumw will store the running of the weights
avg will store the weighted average of the 5 numbers and 5 weights input.
The running sum will be calculated by this formula: sum = sum + value * weight
For example, if the first value and weight pair entered is 4, 1 and second pair is 10, 3: sum = sum + value*weight = 0 + 4*1
sum = 4 + 10*3 = 34 sumw = 1 + 3 = 4
Values and sum are to be input and calculated within a repetition loop:
while count < 5 Input value, weight
sumw = sumw + weight
sum = sum + value * weight
count = count + 1
End while
Avg is calculated by:
avg =…
Chapter 5 Solutions
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
Ch. 5.1 - What is a repetition structure?Ch. 5.1 - What is a condition-controlled loop?Ch. 5.1 - What is a count-controlled loop?Ch. 5.2 - What is a loop iteration?Ch. 5.2 - What is the difference between a pretest loop and...Ch. 5.2 - Does the While loop test its condition before or...Ch. 5.2 - Does the Do-While loop test its condition before...Ch. 5.2 - What is an infinite loop?Ch. 5.2 - What is the difference between a Do-While loop and...Ch. 5.3 - What is a counter variable?
Ch. 5.3 - What three actions do count-controlled loops...Ch. 5.3 - When you increment a variable, what are you doing?...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Prob. 5.14CPCh. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.4 - A program that calculates the total of a series of...Ch. 5.4 - Prob. 5.20CPCh. 5.4 - Should an accumulator be initialized to any...Ch. 5.4 - Look at the following pseudocode. If it were a...Ch. 5.4 - Look at the following pseudocode. If it were a...Ch. 5.5 - Prob. 5.24CPCh. 5.5 - Why should you take care to choose a unique value...Ch. 5 - A ______ controlled loop uses a true/false...Ch. 5 - A ______ controlled loop repeats a specific number...Ch. 5 - Each repetition of a loop is known as a(n) ______....Ch. 5 - The Whi1e loop is a ______ type of loop. a....Ch. 5 - The Do-Whi1e loop is a ______ type of loop. a....Ch. 5 - The For loop is a ______ type of loop. a. pretest...Ch. 5 - A(n) ______ loop has no way of ending and repeats...Ch. 5 - A _______ loop always executes at least once. a....Ch. 5 - Prob. 9MCCh. 5 - A(n) ______ is a special value that signals when...Ch. 5 - A condition-controlled loop always repeats a...Ch. 5 - The While loop is a pretest loop.Ch. 5 - The Do-While loop is a pretest loop.Ch. 5 - You should not write code that modifies the...Ch. 5 - You cannot display the contents of the counter...Ch. 5 - Prob. 6TFCh. 5 - The following statement decrements the variable x:...Ch. 5 - It is not necessary to initialize accumulator...Ch. 5 - In a nested loop, the inner loop goes through all...Ch. 5 - To calculate the total number of iterations of a...Ch. 5 - Why should you indent the statements in the body...Ch. 5 - Describe the difference between pretest loops and...Ch. 5 - What is a condition-controlled loop?Ch. 5 - What is a count-controlled loop?Ch. 5 - What three actions do count-controlled loops...Ch. 5 - What is an infinite loop? Write the code for an...Ch. 5 - A For loop looks like what other loop in a...Ch. 5 - Why is it critical that accumulator variables are...Ch. 5 - What is the advantage of using a sentinel?Ch. 5 - Prob. 10SACh. 5 - Design a Whi1e loop that lets the user enter a...Ch. 5 - Design a Do-Whi1e loop that asks the user to enter...Ch. 5 - Design a For loop that displays the following set...Ch. 5 - Design a loop that asks the user to enter a...Ch. 5 - Design a For loop that calculates the total of the...Ch. 5 - Design a nested loop that displays 10 rows of #...Ch. 5 - Convert the Whi1e loop in the following code to a...Ch. 5 - Convert the Do-Whi1e loop in the following code to...Ch. 5 - Convert the following Whi1e loop to a For loop:...Ch. 5 - Convert the following For loop to a Whi1e loop:...Ch. 5 - Find the error in the following pseudocode....Ch. 5 - The programmer intended the following pseudocode...Ch. 5 - The programmer intended the following pseudocode...Ch. 5 - Bug Collector A bug collector collects bugs every...Ch. 5 - Calories Burned Running on a particular treadmill...Ch. 5 - Budget Analysis Design a program that asks the...Ch. 5 - Sum of Numbers Design a program with a loop that...Ch. 5 - Tuition Increase At one college, the tuition for a...Ch. 5 - Distance Traveled The distance a vehicle travels...Ch. 5 - Average Rainfall Design a program that uses nested...Ch. 5 - Celsius to Fahrenheit Table Design a program that...Ch. 5 - Pennies for Pay Design a program that calculates...Ch. 5 - Largest and Smallest Design a program with a loop...Ch. 5 - First and Last Design a program that asks the user...Ch. 5 - Calculating the Factorial of a Number In...Ch. 5 - Multiplication Table Design a program that uses...
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