Programming Logic & Design Comprehensive 9th edition Joyce Farrell - Solutions

What is output by each of the pseudocode segments in Figure 5-30? a. b. с. a = 1 b - 2 C - 5 while a < c a = a + 1 b = b + c endwhile output a, b, c e = 6 f - 7 while d > f d - d + 1 e = e - 1 endwhile output d, e, f 4 h = 6 while g
A do-while loop _______________.a. Has a body that might never executeb. Is a type of pretest loopc. Can be replaced by a sequence and a while loopd. Is not structured, and therefore obsolete
A variable might hold an incorrect value even when it is _______________.a. The correct data typeb. Within a required rangec. A constant coded by the programmerd. All of the above
To ensure that a user’s entry is the correct data type, frequently you _______________.a. Prompt the user to verify that the type is correctb. Use a method built into the programming languagec. Include a statement at the beginning of the program that lists the data types allowedd. All of the above
Overriding a user’s entered value by setting it to a predetermined value is known as _______________.a. Forcingb. Accumulatingc. Validatingd. Pushing
When you _______________, you make sure data items are the correct type and fall within the correct range.a. Validate datab. Employ offensive programmingc. Use object orientationd. Count loop iterations
After an accumulator or counter variable is displayed at the end of a program, it is best to _______________.a. Delete the variable from the programb. reset the variable to 0c. Subtract 1 from the variabled. None of the above
In this chapter you learned that some of the tasks assigned to new programmers frequently involve maintenance—making changes to existing programs because of new requirements. A file named MAINTENANCE01-01.txt is included with your downloadable student files. Assume that this program is a working
A mobile phone app allows a user to press a button that starts a timer that counts seconds. When the user presses the button again, the timer stops. Draw a flowchart or write pseudocode that accepts the elapsed time in seconds and displays the value in minutes and remaining seconds. For example, if
Research current rates of monetary exchange. Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a number of dollars and convert it to Euros and Japanese yen.
a. Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter an hourly pay rate and hours worked. The program outputs the user’s gross pay.b. Modify the program that computes gross pay to allow the user to enter the withholding tax rate. The program
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter values for the current year and the user’s birth year. The program outputs the age of the user this year.
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter two values. The program outputs the sum of and the difference between the two values.
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value for hours worked in a day. The program calculates the hours worked in a five-day week and the hours worked in a 252-day work year. The program outputs all the results.
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value for one edge of a cube. The program calculates the surface area of one side of the cube, the surface area of the cube, and its volume. The program outputs all the results.
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value. The program multiplies the value by 10 and outputs the result.
In your own words, describe the steps to writing a computer program.
Match the definition with the appropriate term.1. Computer system devicesa. compiler2.Another word for programb.syntax3.Language rulesc.logic4.Order of instructionsd.hardware5.Language translatore.software
As compared to procedural programming, with object-oriented programming, ____________.a. The programmer’s focus differsb. You cannot use some languages, such as Javac. You do not accept inputd. You do not code calculations; they are created automatically
When you write a program that will run in a GUI environment as opposed to a command-line environment, ____________.a. The logic is very differentb. Some syntax is differentc. You do not need to plan the logicd. Users are more confused
When you use an IDE instead of a simple text editor to develop a program, ____________.a. The logic is more complicatedb. The logic is simplerc. The syntax is differentd. Some help is provided
The term eof represents ____________.a. A standard input deviceb. A generic sentinel valuec. A condition in which no more memory is available for storaged. The logical flow in a program
In flowcharts, the decision symbol is a ____________.a. Parallelogramb. Rectanglec. Lozenged. Diamond
In a flowchart, a rectangle represents ____________.a. Inputb. A sentinelc. A questiond. Processing
The parallelogram is the flowchart symbol representing ____________.a. Inputb. Outputc. Either a or bd. None of the above
Which of the following is an example of a logical error?a. Performing arithmetic with a value before inputting itb. Accepting two input values when a program requires only onec. Dividing by 3 when you meant to divide by 30d. All of the above
Which of the following is an example of a syntax error?a. Producing output before accepting inputb. Subtracting when you meant to addc. Misspelling a programming language wordd. All of the above
An English-like programming language such as Java or Visual Basic is a ________ programming language.a. Machine-levelb. Low-levelc. High-leveld. Binary-level
Writing a program in a language such as C++ or Java is known as _______ the program.a. Translatingb. Codingc. Interpretingd. Compiling
The two most commonly used tools for planning a program’s logic are _____.a. ASCII and EBCDICb. Java and Visual Basicc. Flowcharts and pseudocoded. Word processors and spreadsheets
A programmer’s most important task before planning the logic of a program is to ____________.a. Decide which programming language to useb. Code the problemc. Train the users of the programd. Understand the problem
Which of the following pairs of steps in the programming process is in the correct order?a. Code the program, plan the logicb. Test the program, translate it into machine languagec. Put the program into production, understand the problemd. Code the program, translate it into machine language
Which of the following is temporary, internal storage?a. CPUb. Hard diskc. Keyboardd. Memory
The most important task of a compiler or interpreter is to ____________.a. Create the rules for a programming languageb. Translate English statements into a language such as Javac. Translate programming language statements into machine languaged. Execute machine language programs to perform useful
A programming language’s rules are its ____________.a. Syntaxb. Logicc. Formatd. Options
Visual Basic, C++, and Java are all examples of computer ____________.a. Operating systemsb. Programming languagesc. Hardwared. Machine languages
The major computer operations include ____________.a. Input, processing, and outputb. Hardware and softwarec. Sequence and loopingd. Spreadsheets, word processing, and data communications
Computer programs also are known as____________.a. Datab. Hardwarec. Softwared. Information
Typically, the value added to a counter variable is _______________.a. 0b. 1c. The same for each iterationd. Different in each iteration
A report that lists only totals, with no details about individual records, is a(n) _______________ report.a. Accumulatorb. Finalc. Groupd. Summary
Most programmers use a for loop _______________.a. For every loop they writeb. When they know the exact number of times a loop will repeatc. When a loop must repeat many timesd. When a loop will not repeat
When loops are nested, _______________.a. They typically share a loop control variableb. One must end before the other beginsc. Both must be the same type—definite or indefinited. None of the above
When two loops are nested, the loop that is contained by the other is the _______________loop.a. Captiveb. Unstructuredc. Innerd. Outer
Which of the following is an indefinite loop?a. A loop that executes exactly 10 timesb. A loop that follows a prompt that asks a user how many repetitions to make and uses the value to control the loopc. Both of the aboved. None of the above
Which of the following is a definite loop?a. A loop that executes as long as a user continues to enter valid datab. A loop that executes 1,000 timesc. Both of the aboved. None of the above
Adding 1 to a variable is also called _______________ it.a. Digestingb. Resettingc. Decrementingd. Incrementing
A counter keeps track of _______________.a. The number of times an event has occurredb. The number of machine cycles required by a segment of a programc. The number of loop structures within a programd. The number of times software has been revised
The statements executed within a loop are known collectively as the _______________.a. Loop bodyb. Loop controlsc. Sequencesd. Sentinels
Which of the following is not a step that must occur with every correctly working loop?a. Initialize a loop control variable before the loop starts.b. Compare the loop control value to a sentinel during each iteration.c. Set the loop control value equal to a sentinel during each iteration.d. Allow
The loop that frequently appears in a program’s mainline logic _______________.a. Always depends on whether a variable equals 0b. Is an example of an infinite loopc. Is an unstructured loopd. Works correctly based on the same logic as other loops
The structure that allows you to write one set of instructions that operates on multiple, separate sets of data is the _______________.a. Sequenceb. Loopc. Selectiond. Case
Create a lottery game application. Generate three random numbers, each between 0 and 9. Allow the user to guess three numbers. Compare each of the user’s guesses to the three random numbers and display a message that includes the user’s guess, the randomly determined three digits, and the
In Chapter 2, you learned that many programming languages allow you to generate a random number between 1 and a limiting value named limit by using a statement similar to randomNumber = random(limit). Create the logic for a guessing game in which the application generates a random number and the
Your downloadable files for Chapter 4 include a file named DEBUG04-04.jpg that contains a flowchart with syntax and/or logical errors. Examine the flowchart and then find and correct all the bugs.
Your downloadable files for Chapter 4 include DEBUG04-01.txt, DEBUG04-02.txt, and DEBUG04-03.txt. Each file starts with some comments that describe the problem. Comments are lines that begin with two slashes (//). Following the comments, each file contains pseudocode that has one or more bugs you
A file named MAINTENANCE04-01.jpg is included with your downloadable student files. Assume that this program is a working program in your organization and that it needs modifications as described in the comments (lines that begin with two slashes) at the beginning of the file. Your job is to alter
10. Black Dot Printing is attempting to organize carpools to save energy. Each input record contains an employee’s name and town of residence. Ten percent of the company’s employees live in Wonder Lake; 30 percent live in the adjacent town of Woodstock. Black Dot wants to encourage
Mark Daniels is a carpenter who creates personalized house signs. He wants an application to compute the price of any sign a customer orders, based on the following factors:The minimum charge for all signs is $30.If the sign is made of oak, add $15. No charge is added for pine.The first six letters
The Barking Lot is a dog day care center. Design a flowchart or pseudocode for following:a. A program that accepts data for an ID number of a dog’s owner, and the name, breed, age, and weight of the dog. Display a bill containing all the input data as well as the weekly day care fee, which is $55
The Drive-Rite Insurance Company provides automobile insurance policies for drivers. Design a flowchart or pseudocode for following:a. A program that accepts insurance policy data, including a policy number, customer last name, customer first name, age, premium due date (month, day, and year), and
The Dash Cell Phone Company charges customers a basic rate of $5 per month to send text messages. Additional rates are as follows:The first 100 messages per month, regardless of message length, are included in the basic bill.An additional three cents is charged for each text message after the
ShoppingBay is an online auction service that requires several reports. Data for each auctioned item includes an ID number, item description, length of auction in days, and minimum required bid. Design a flowchart or pseudocode for the following:a. A program that accepts data for one auctioned
Cecilia’s Boutique wants several lists of salesperson data. Design a flowchart or pseudocode for the following: a. A program that accepts one salesperson’s ID number, number of items sold in the last month, and total value of the items and displays data message only if the salesperson is a
Design a flowchart or pseudocode for a program that accepts three numbers from a user and displays a message if the sum of any two numbers equals the third.
Design a flowchart or pseudocode for a program that accepts two numbers from a user and displays one of the following messages: First is larger, Second is larger, Numbers are equal.
Assume that the following variables contain the values shown:numberBig = 100 numberMedium = 10numberSmall = 1wordBig = "Constitution"wordMedium = "Dance"wordSmall = "Toy”For each of the following Boolean expressions, decide whether the statement is true, false, or illegal.
If d is true, e is false, and f is false, which of the following expressions is true?a. e OR f AND db. f AND d OR ec. d OR e AND fd. two of the above
If a is true, b is true, and c is false, which of the following expressions is true?a. a OR b AND cb. a AND b AND cc. a AND b OR cd. Two of the above
If sales = 100, rate = 0.10, and expenses = 50, which of the following expressions is true?a. Sales >= expenses AND rate < 1b. Sales < 200 OR expenses < 100c. Expenses = rate OR sales = rated. Two of the above
When you use a range check, you always compare a variable to ______________ value in the range.a. The lowestb. The highestc. An end-of-range valued. The average
In the following pseudocode, what percentage raise will an employee in Department 10 receive?if department < 2 thenraise = SMALL_RAISEelseif department < 6 thenraise = MEDIUM_RAISEelseif department < 10 thenraise = BIG_RAISEendifendifendifa. SMALL_RAISEb. MEDIUM_RAISEc. BIG_RAISEd.
In the following pseudocode, what percentage raise will an employee in Department 8 receive?if department < 5 thenraise = SMALL_RAISEelseif department < 14 thenraise = MEDIUM_RAISEelseif department < 9 thenraise = BIG_RAISEendifendifendifa. SMALL_RAISEb. MEDIUM_RAISEc. BIG_RAISEd.
Which of the following must always be true?a. g < 12 AND g < 18b. g = 12 OR h = 17c. g <> 12 OR g <> 15d. g > 12 AND g < 21
Which of the following must always be false?a. e > 12 AND e < 15b. e = 10 OR e = 20c. e > 12 OR f > 12d. e > 10 AND e < 7
Which of the following is a poorly written, trivial Boolean expression?a. a > b AND b > cb. a = 100 OR b > 200c. a < b AND c < 100 AND d <> 5d. a < 10 AND a > 40
If conditionA is 30 percent likely to be true and conditionB is 10 percent likely to be true, then it is most efficient to test conditionA first ______________.a. In an OR decisionb. In an AND decisionc. In any decisiond. Never
Which of the lettered choices is equivalent to the following decision?if x > 10 thenif y > 10 thenoutput "X"endifendifa. if x > 10 OR y > 10 then output "X" endifb. if x > 10 AND x > y then output "X" endifc. if y > x then output "X" endifd. if x > 10 AND y > 10 then
If p is true and q is false, then ______________.a. p OR q is trueb. p OR q is falsec. p AND q is trued. p is greater than q
If a is true and b is false, then ______________.a. a AND b is trueb. a AND b is falsec. a OR b is falsed. If a is true, then b must be true.
In an AND condition, the most efficient technique is to first ask the question that ______________.a. Is most likely to be trueb. Is least likely to be truec. That contains the most operandsd. Uses a named constant
If j <> k is true, then ______________.a. j = k is trueb. j > k might be truec. j < k might be trued. Both b and c are true.
If x <= y is true, then ______________.a. x = y is trueb. y <= x is truec. x > y is falsed. x >= y is false
A trivial Boolean expression is one that ______________.a. Is uses only two operandsb. Always has the same valuec. Is always trued. Is always false
The greater-than operator evaluates as true when ______________.a. The right operand is greater than the left operandb. The left operand is greater than the right operandc. The right operand is equal to the left operandd. Both b and c are true.
In a selection, the else clause executes ______________.a. Only after the if clause executesb. When the tested condition is truec. When the tested condition is falsed. Always
A ______________expression has one of two values: true or false.a. Georgianb. Booleanc. Barbariand. Selective
Choose a sport such as baseball or football and describe the actions in one limited play period (such as an at-bat in baseball or a possession in football) using a structured flowchart or pseudocode.
Choose a television game show such as Wheel of Fortune or Jeopardy! and describe its rules using a structured flowchart or pseudocode.
Choose a simple children’s game and describe its logic, using a structured flowchart or pseudocode. For example, you might try to explain Rock, Paper, Scissors; Musical Chairs; Duck, Duck, Goose; the card game War; or the elimination game Eenie, Meenie, Minie, Moe.
Your downloadable files for Chapter 3 include a file named DEBUG03-04.jpg that contains a flowchart with syntax and/or logical errors. Examine the flowchart and then find and correct all the bugs.
Your downloadable files for Chapter 3 include DEBUG03-01.txt, DEBUG03-02.txt, and DEBUG03-03.txt. Each file starts with some comments that describe the problem. Comments are lines that begin with two slashes (//). Following the comments, each file contains pseudocode that has one or more bugs you
A file named MAINTENANCE03-01.txt is included with your downloadable student files. Assume that this program is a working program in your organization and that it needs modifications as described in the comments (lines that begin with two slashes) at the beginning of the file. Your job is to alter
Draw a structured flowchart or write structured pseudocode describing how to buy a new shirt. Include at least two decisions and two loops.
Draw a structured flowchart or write structured pseudocode describing how to decide what college to attend. Include at least two decisions and two loops.
Draw a structured flowchart or write structured pseudocode describing how to get from your home to your school. Include at least two decisions and two loops.
Looking up a word in a dictionary can be a complicated process. For example, assume that you want to look up logic. You might open the dictionary to a random page and see juice. You know this word comes alphabetically before logic, so you flip forward and see lamb. That is still not
Draw a structured flowchart or write pseudocode that describes the process of guessing a number between 1 and 100. After each guess, the player is told that the guess is too high or too low. The process continues until the player guesses the correct number. Pick a number and have a fellow student
Assume you have created a mechanical robot that can perform the following tasks:Stand up.Sit down.Turn left 90 degrees.Turn right 90 degrees.Take a step.Additionally, the robot can determine the answer to one test condition:Am I touching something?a. Place two chairs 20 feet apart, directly facing
Assume you have created a mechanical arm that can hold a pen. The arm can perform the following tasks:Lower the pen to a piece of paper.Raise the pen from the paper.Move the pen 1 inch along a straight line. (If the pen is lowered, this action draws a 1-inch line from left to right; if the pen is
Write pseudocode for each example (a through e) in Exercise 2, making sure your pseudocode is structured and accomplishes the same tasks as the flowchart segment.Data From Exercise 2 a. b. D Yes NO Yes B? E? No F H C. Yes G? K No No Yes L? M P Yes Q? No Yes 0? No R Figure 3-24 Flowcharts for

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Programming Logic & Design Comprehensive 9th edition Joyce Farrell - Solutions

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