Program Explanation Garbage in, garbage out (GIGO): The most common abbreviation of GIGO meant by the programmers is referred as “Garbage In, Garbage Out”. It is a type of input validation process. Input validation is a process that determines whether the user input given in the program is valid or not before the computation. This validation process is done through the validation loop that iterates until it identifies the bad data on input. In the GIGO process, sometimes the computer does not know the difference between the good data and bad data. In those cases, it accepts the bad data as input and then it processes the result with bad data as output. For example: See the following code snippet, #Read the number of hours worked by the user hours_in_day = int (input('Enter the hours worked per day:')) #read the pay-scale per hour pay_scale= float(input('Enter the pay scale per hour:')) #calculate the weekly pay weekly_pay = hours_in_day*pay_scale #Display the result print'Weekly pay:$',weekly_pay Output: Enter the hours worked per day:28 Enter the pay scale per hour:59 Weekly pay:$ 1652...

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ISBN: 9780134444321

Author: Tony Gaddis

Publisher: PEARSON

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Chapter 4, Problem 9MC

Program Description Answer

The abbreviated form of GIGO is “garbage in, garbage out”.

Hence, the correct answer is option “B”.

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Chapter 4, Problem 8MC

Chapter 4, Problem 10MC

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Chapter 4 Solutions

Starting Out with Python (4th Edition)

Ch. 4.1 - What is a repetition structure?Ch. 4.1 - What is a condition-controlled loop?Ch. 4.1 - What is a count-controlled loop?Ch. 4.2 - What is a loop iteration?Ch. 4.2 - Does the while loop test its condition before or...Ch. 4.2 - How many times will 'Hello world' be printed in...Ch. 4.2 - What is an infinite loop?Ch. 4.3 - Rewrite the following code so it calls the range...Ch. 4.3 - What will the following code display? For number...Ch. 4.3 - What will the following code display? for number...

Ch. 4.3 - What will the following code display? for number...Ch. 4.3 - What will the following code display? for number...Ch. 4.4 - Prob. 13CP Ch. 4.4 - Should an accumulator be initialized to any...Ch. 4.4 - What will the following code display? total - 0...Ch. 4.4 - What will the following code display? number 1 =...Ch. 4.4 - Rewrite the following statements using augmented...Ch. 4.5 - Prob. 18CP Ch. 4.5 - Why should you take care to choose a distinctive...Ch. 4.6 - What does the phrase garbage in, garbage out mean?Ch. 4.6 - Give a general description of the input validation...Ch. 4.6 - Describe the steps that are generally taken when...Ch. 4.6 - Prob. 23CP Ch. 4.6 - If the input that is read by the priming read is...Ch. 4 - A_________-controlled loop uses a true/false...Ch. 4 - A _____-controlled loop repeats a specific number...Ch. 4 - Each repetition of a loop is known as a(n) a cycle...Ch. 4 - The while loop is a _______ type of loop. a....Ch. 4 - A(n) ______ loop has no way of ending and repeats...Ch. 4 - The -= operator is an example of a(n) _________...Ch. 4 - Prob. 7MC Ch. 4 - A(n) ____________ is a special value that signals...Ch. 4 - Prob. 9MC Ch. 4 - The integrity of a programs output is only as good...Ch. 4 - The input operation that appears just before a...Ch. 4 - Validation loops are also known as _________. a....Ch. 4 - A condition-controlled loop always repeats a...Ch. 4 - The while loop is a pretest loop.Ch. 4 - The following statement subtracts 1 from x: x = x ...Ch. 4 - It is not necessary to initialize accumulator...Ch. 4 - In a nested loop, the inner loop goes through all...Ch. 4 - To calculate the total number of iterations of a...Ch. 4 - The process of input validation works as follows:...Ch. 4 - What is a condition-controlled loop?Ch. 4 - What is a count-controlled loop?Ch. 4 - What is an infinite loop? Write the code for an...Ch. 4 - Why is it critical that accumulator variables are...Ch. 4 - What is the advantage of using a sentinel?Ch. 4 - Prob. 6SA Ch. 4 - What does the phrase garbage in, garbage out mean?Ch. 4 - Give a general description of the input validation...Ch. 4 - Write a while loop that lets the user enter a...Ch. 4 - Write a while loop that asks the user to enter two...Ch. 4 - Write a for loop that displays the following set...Ch. 4 - Write a loop that asks the user to enter a number....Ch. 4 - Write a loop that calculates the total of the...Ch. 4 - Rewrite the following statements using augmented...Ch. 4 - Write a set of nested loops that display 10 rows...Ch. 4 - Write code that prompts the user to enter a...Ch. 4 - Write code that prompts the user to enter a number...Ch. 4 - Bug Collector The Bug Collector Problem A bug...Ch. 4 - Calories Burned Running on a particular treadmill...Ch. 4 - Budget Analysis Write a program that asks the user...Ch. 4 - Distance Traveled The distance a vehicle travels...Ch. 4 - Average Rainfall Write a program that uses nested...Ch. 4 - Celsius to Fahrenheit Table Write a program that...Ch. 4 - Pennies for Pay Write a program that calculates...Ch. 4 - Sum of Numbers Write a program with a loop that...Ch. 4 - Ocean Levels Assuming the ocean's level is...Ch. 4 - Tuition Increase At one college, the tuition for a...Ch. 4 - Weight Loss If a moderately active person cuts...Ch. 4 - Calculating the Factorial of a Number In...Ch. 4 - Population Write a program that predicts the...Ch. 4 - Prob. 14PE Ch. 4 - Prob. 15PE Ch. 4 - Turtle Graphics: Repeating Squares In this...Ch. 4 - Turtle Graphics: Star Pattern Use a loop with the...Ch. 4 - Turtle Graphics: Hypnotic Pattern Use a loop with...Ch. 4 - Turtle Graphics: STOP Sign In this chapter, you...

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The abbreviated form of GIGO is “garbage in, garbage out”. Hence, the correct answer is option “ B ”.

Solution Summary: The author explains that GIGO is a type of input validation process that determines whether the user input is valid or not before the computation.

Concept explainers

The abbreviated form of GIGO is “garbage in, garbage out”.

Hence, the correct answer is option “B”.

Want to see the full answer?

Chapter 4 Solutions

The abbreviated form of GIGO is “garbage in, garbage out”. Hence, the correct answer is option “ B ”.

Solution Summary: The author explains that GIGO is a type of input validation process that determines whether the user input is valid or not before the computation.

Concept explainers

The abbreviated form of GIGO is “garbage in, garbage out”. Hence, the correct answer is option “B”.

Want to see the full answer?

Chapter 4 Solutions

The abbreviated form of GIGO is “garbage in, garbage out”.

Hence, the correct answer is option “B”.