Practice and debugging
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The document provides instructions for writing a JavaScript program that registers the name and age of a Pikachu. It includes prompts to get user input for name and age, and uses if/else statements to check if the age is over 5 to determine if it can battle. It also shows how to convert the name to uppercase and insert an image. The last part provides instructions to write a program that divides a number entered by the user by 3.
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the very main prepocessor directives i.e. #include and #define are discussed with some instances.
Notes on Debugging
An overview of some useful debugging skills and techniques, by Dave Lyon
https://cotap.me/dlyon
Software Debugging for High-altitude Balloons
A talk I gave at the UKHAS 2013 conference on software debugging.
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Student NameClassDateVBScript IP File ReportIn the space provide.docx
Student NameClassDateVBScript IP File Report
In the space provided below, copy and paste your IP_FileWrite.vbs program sourcecode. If it doesn’t fit, use the next page for the continuation of your program sourcecode.
In the space provided below to copy and paste the remainder of your IP_FileWrite.vbs sourcecode if it did not fit in the first textbox.
In the space provided below, copy and paste the RUN of your IP_FileWrite.vbs program. Also include the directory listing of all .csv files:
In the space provided below, copy and paste your IP_AppendRead.vbs program sourcecode. If it doesn’t fit, use the next page for the continuation of your program sourcecode.
In the space provided below to copy and paste the remainder of your IP_AppendRead.vbs sourcecode if it did not fit in the first textbox.
In the space provided below, copy and paste the RUN of your IP_AppendRead.vbs program.
1
COMP230_W6_IP_File_Report.docx Revision Date: 1213
VBScript IP File Lab
Objectives
In this lab, students will complete the following objectives.
· Create a VBScript program using NotePad++.
· Write a two-dimensional array of IP addresses to a text file.
· Read the IP Addresses text file into a script.
· Append new Room/PC/IP address data to the text file.
· Use the object Scripting.FileSystemObject.
Lab Diagram
During your session you will have access to the following lab configuration.
Connecting to your lab
For this lab, we will only need to connect to Vlab-PC1.
· Vlab-PC1
To start simply click on the named Workstation from the device list (located on the left hand side of the screen) and click the Power on from the in tools bar. In some cases the devices may power on automatically.
During the boot up process an activity indicator will be displayed in the name tab:
· Black - Powered Off
· Orange - Working on your request
· Green - Ready to access
If the remote console is not displayed automatically in the main window (or popup) click the Connect icon located in the tools bar to start your session.
If the remote console does not appear please try the following option:
· Switch between the HTML 5 and Java client versions in the tools bar.
In the event this does not resolve your connectivity problems please visit our Help / Support pages for additional resolution options.
Task 1: Create the IP_FileWrite.vbs Program
Note: All captures must be text only—DO NOT capture the NotePad++ application window or the command prompt window. Use copy and paste of text only.
1) Open NotePad++ and from the menu, select File/Open. Open the file IP_File_start.vbs in the C:\comp230 directory. If you do not see this file, you can download it and extract it from the eCollege Doc Sharing file IP_File_start.zip.
Modify the Programmer Header as needed and Save As the VBScript file as IP_FileWrite.vbs.
We are using the array of IP addresses that was used in Lab 4. The line dim ipAddress(5,3) declare 6x4 two-dimensio.
This assignment consists of four short programs. Use CodeBlock.docx
This assignment consists of four short programs. Use Code::Blocks to complete your work. You will submit the four C source code files for this assignment. Please zip the files and include your name in the name of the compressed file.
Part 1: Commenting Code
Including comments in source code that explains what the code does and how it does it are an important professional best practice. Code that is well-commented and well-formatted facilitates communication between programmers and others needing to work with the code. Commenting your code needs to be a habit from the beginning. Adding comments to code will also help reinforce important C programming concepts in your own mind.
Type in the code provided in the assignment Resources, build/compile the program, and run it. Typing the code in yourself rather than copying and pasting will help you get to know the C language. When you have the code running, go through the code and add comments to explain what the code does and how it does it. Be sure to add a header like the following to all code files (with your name and the date).
/* Ann Smith - IT2240 - U01a1 - Part 1
* 10/01/2015 Rev. 1
*/
You should add at least five comments to the code provided. Be sure to recompile and test the code after you have added your comments to make sure you have not introduced any syntax errors.
Part 2: About You
Create a program that prints three lines of text about yourself. Be sure to include appropriate spacing and new line characters to make the output in the terminal window readable. As with all programming code, but sure to format the program correctly and include comments and a header for the file, such as shown above.
Part 3: Integer and Floating Point Arithmetic
Write a single program that prints the results of two arithmetic expressions using integers and the results of two floating-point calculations (for a total of 4 calculations). Print out both the arithmetic expressions and the answers calculated by the code. For this program, it is fine to use "hard-coded" values (the numbers used in the calculations are provided in the code) rather than user input. Be sure to format the code correctly and include relevant comments in the source code (including the comment at the top of the file with your name and identification of the program).
Part 4: User Input
Write a program that prompts the user to enter a character, an integer, and floating point number. After reading the input, the program should print out the values entered. Be sure to format the code correctly and include relevant comments.
When you are ready to turn in your assignment, please zip your .c source code files together for submission.
...
PT1420 File Access and Visual Basic .docx
PT1420: File Access and Visual Basic
Page 1
This lab examines how to work with a file by writing Visual Basic code. Read the following
programming problem prior to completing the lab.
Write and design a simple program that will take 3 pieces of data and write it to a file. Create
variables and set them equal to the appropriate values:
Declare string firstName = “xxx”
Declare string lastName = “xxx”
Declare integer age = your age
Write this information to a file called myRecords.txt. Next, read this information from
the file and print it to the screen.
Step 1: Create a new Visual Basic workspace and add the following code:
Module Module1
Sub Main()
Dim firstName As String = "XXXX"
Dim lastName As String = "XXX"
Dim age As Integer = ####
Dim writer As System.IO.StreamWriter = System.IO.File.CreateText("myRecords.txt")
writer.WriteLine(firstName & " " & lastName & " " & age)
writer.Close()
Dim reader As System.IO.StreamReader = System.IO.File.OpenText("myRecords.txt")
Dim myInfo As String = reader.ReadLine()
Console.WriteLine(myInfo)
PT1420: File Access and Visual Basic
Page 2
reader.Close()
'this causes a pause so you can see your program
Console.Write("Press enter to continue...")
Console.ReadLine()
End Sub
End Module
Your module looks like this:
PT1420: File Access and Visual Basic
Page 3
Step 2: Change the values of the variables to your records. Your module looks like this:
Step 3: Run your program so that it works properly. Your output might look as follows:
PT1420: File Access and Visual Basic
Page 4
Step 4: Locate the .txt file in the bin\debug folder, and view your .txt file. Your output might
look as follows:
PT1420: File Access and Visual Basic
Page 5
Step 5: Submit the Visual Basic code as a compressed (zipped) folder using the following steps:
a. Open Windows Explorer --> Start --> All Programs --> Accessories --> Windows Explorer.
Your Windows Explorer might look as follows:
...
Question 1 briefly respond to all the following questions. make
Question 1 briefly respond to all the following questions. make
Be sure to read all of Chapters 8 and 9 before starting this assignm.docx
Be sure to read all of Chapters 8 and 9 before starting this assignment. Your job is to update your payroll program for Armadillo Automotive Group to use a C++ class. Each employee class object should hold the master file information for one employee. You can assume that the company has exactly 6 employees. Use an array of employee objects to hold the master file information for the company employees.
Do not put any pay information, including hours worked, in an Employee object. You might want to create a paycheck struct or object to hold pay information for one employee (this could include the hours worked).
DO NOT DO ANY INPUT OR OUTPUT IN ANY CLASS MEMBER FUNCTION.
The employee information and hours worked will come from input files instead of from the keyboard.
Employee class
Create a class to represent the master file information for one employee. Start with this partial Employee class:
class Employee
{
private:
int id; // employee ID
string name; // employee name
double hourlyPay; // pay per hour
int numDeps; // number of dependents
int type; // employee type
public:
Employee( int initId=0, string initName="",
double initHourlyPay=0.0,
int initNumDeps=0, int initType=0 ); // Constructor
bool set(int newId, string newName, double newHourlyPay,
int newNumDeps, int newType);
};
Employee::Employee( int initId, string initName,
double initHourlyPay,
int initNumDeps, int initType )
{
bool status = set( initId, initName, initHourlyPay,
initNumDeps, initType );
if ( !status )
{
id = 0;
name = "";
hourlyPay = 0.0;
numDeps = 0;
type = 0;
}
}
bool Employee::set( int newId, string newName, double newHourlyPay,
int newNumDeps, int newType )
{
bool status = false;
if ( newId > 0 && newHourlyPay > 0 && newNumDeps >= 0 &&
newType >= 0 && newType <= 1 )
{
status = true;
id = newId;
name = newName;
hourlyPay = newHourlyPay;
numDeps = newNumDeps;
type = newType;
}
return status;
}
Note that the constructor and set functions do validation on the data that is to be stored in the Employee object. They are similar to the validation in the Rectangle class from the textbook in
Section 7.11 Focus on Software Engineering: Separating class Specification, Implementation and Client Code.
For a more detailed discussion of validation for class objects, and the Employee class validation, see
Employee Data Validation
.
You should be able to copy this class into your editor by highlighting the code, making a copy of it (ctrl-c in Windows), and then pasting the code into your editor window.
Do not make any changes to the data members of the class. Do not add any new data members to the class. Do not make any changes to t ...
Programming For As Comp
This covers details on Writing Pascal using Lazarus.
A teaching resource for students without any previous experience.
Originally written for AQA A level Computing (UK exam).
Programming For As Comp
This covers details on Writing Pascal using Lazarus.
A teaching resource for students without any previous experience. Can be used for teaching or direct notes for students (Continued with notes for A2).
Originally written for AQA A level Computing (UK exam).
Open a new project in Visual Studio Community and name it in the form.pdf
Open a new project in Visual Studio Community and name it in the form of Last
name_CourseSection_Assignment 3. You are expected to use Loops and IO filestreams in this
program. Write comments to explain what each statement does, and how it achieves the desired
results (Remember to review the rubric posted under Course Materials to understand how your
program will be graded) PART 1: Write a program in C + that permits users to enter the
following information about your company's five employees and writes the following
information to the file (data.txt). Employee ID. Name Years with company Hourly Wages All
information must be displayed in a well formatted manner, so you can put in relevant
manipulators for this purpose. Run your program, put in employee information (for 5
employees), and verify if you have a txt file as required. PART 2: At this point you must have a .
tat file with information of 5 employees. Go back to your C + + programt (from part 1). put the
entire existing program from part I within block comstents / .... % , Now write a new program for
part 2 (in that same C + + file) as per instractions given below: Write a C + + program that reads
this file data. txt , one line at a time, asks for the number of hours worked by each employee per
month and calculates their total pay for that month. So for each of the employee records that
stream in, your program must ask user: Enter hours worked by (mame of employee): When user
puts in the answer, program must calculate the total salary and display on the computer screen as
* The salary of (name) is S (salary). EXIRA CREDIT ( 10 points) Make provisions in your part
2 program for the salary information (along with some other employee details) to be stored in a
new file called (February_salary.txt). Your information must be saved to the file in the following
format. ID no. Name Hourly wages Salary.
Python Programming - II. The Basics
Feel free to download the material for offline viewing later, better images' resolutions, and crispier fonts.
BTE 320-498 Summer 2017 Take Home Exam (200 poi.docx
BTE 320-498/ Summer 2017
Take Home Exam
(200 points)
Due 6/30/2017 – 11:59pm (No extensions)
Presentation in class Friday June 30 at 5:30 PM
Required Part
1. (a) Explain in English what the following function will do. Explain how it works.
(b) What will be the output if the following calls are made:
whoknows(2) =
whoknows(15) =
whoknows(-3) =
(c) Write a function digitize (using loops) that takes two parameters: one integer
parameter and one bool parameter. The function would print the integer one digit
at a time each on a separate line. If the bool parameter passed were true, the
function would print the digits from the most significant digit to the least
significant. Otherwise, it would print it in the reverse order (least significant to
most significant).
Function Call Output
digitize(1758,true) 1
7
5
8
digitize(1758,false) 8
5
7
1
(d) Write a function (without using loops) that reverses the digits in an integer
and prints out the integer in this reverse form. It is not necessary to calculate the
value of the reverse integer, just print out the digits in reverse order. The function
should be called reverse. Remember to explain your functions, either by adding
comments or using pseudocode or showing how you derived the function. State
any assumptions you make.
2. (a) Write a function, printdivisors, that takes a single integer parameter and prints
all the numbers less that the parameter that are divisors of the parameter (i.e.
divides it without a remainder) including 1. So printdivisors(6) will print 1,2,3.
Note you may use a wrapper function or default parameters.
(b) Write a function, sumdivisors, that takes a single integer parameter and returns
the sum of all the divisors of the parameter (including 1). So sumdivisors(6) will
return 6 as 1+2+3=6. Note you may use a wrapper function or default parameters.
(c) Write a function, allperfects, that takes two parameters, each an integer, in any
order and prints out all the perfect numbers between the lower parameter and the
higher parameter. A perfect number is one is which the sum of its divisors is equal
to the number itself.
Remember to explain your functions, either by adding comments or showing how
you derived the function. State any assumptions you make.
3. (a) Write a recursive function, printZeros, which prints out a series of zeros. The
function takes one parameter and prints out the number of zeros specified by the
parameter. So printZeros(4) will print: 0000 and printZeros(2) will print 00.
(b) Write a recursive function, printZPattern, which prints out a pattern of zeros
as follows:
printZPattern(3) outputs:
000
printZPattern(1) outputs:
0
printZPattern(4) outputs:
0000
00 000
0 00
0
(c) How would you modify your second function to print a mirror pattern, such as
(you do not have to code this one, just explain):
printZPattern2(3) outputs:
000
00
0
00
000
Re ...
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Student NameClassDateVBScript IP File ReportIn the space provide.docx
Student NameClassDateVBScript IP File Report
In the space provided below, copy and paste your IP_FileWrite.vbs program sourcecode. If it doesn’t fit, use the next page for the continuation of your program sourcecode.
In the space provided below to copy and paste the remainder of your IP_FileWrite.vbs sourcecode if it did not fit in the first textbox.
In the space provided below, copy and paste the RUN of your IP_FileWrite.vbs program. Also include the directory listing of all .csv files:
In the space provided below, copy and paste your IP_AppendRead.vbs program sourcecode. If it doesn’t fit, use the next page for the continuation of your program sourcecode.
In the space provided below to copy and paste the remainder of your IP_AppendRead.vbs sourcecode if it did not fit in the first textbox.
In the space provided below, copy and paste the RUN of your IP_AppendRead.vbs program.
1
COMP230_W6_IP_File_Report.docx Revision Date: 1213
VBScript IP File Lab
Objectives
In this lab, students will complete the following objectives.
· Create a VBScript program using NotePad++.
· Write a two-dimensional array of IP addresses to a text file.
· Read the IP Addresses text file into a script.
· Append new Room/PC/IP address data to the text file.
· Use the object Scripting.FileSystemObject.
Lab Diagram
During your session you will have access to the following lab configuration.
Connecting to your lab
For this lab, we will only need to connect to Vlab-PC1.
· Vlab-PC1
To start simply click on the named Workstation from the device list (located on the left hand side of the screen) and click the Power on from the in tools bar. In some cases the devices may power on automatically.
During the boot up process an activity indicator will be displayed in the name tab:
· Black - Powered Off
· Orange - Working on your request
· Green - Ready to access
If the remote console is not displayed automatically in the main window (or popup) click the Connect icon located in the tools bar to start your session.
If the remote console does not appear please try the following option:
· Switch between the HTML 5 and Java client versions in the tools bar.
In the event this does not resolve your connectivity problems please visit our Help / Support pages for additional resolution options.
Task 1: Create the IP_FileWrite.vbs Program
Note: All captures must be text only—DO NOT capture the NotePad++ application window or the command prompt window. Use copy and paste of text only.
1) Open NotePad++ and from the menu, select File/Open. Open the file IP_File_start.vbs in the C:\comp230 directory. If you do not see this file, you can download it and extract it from the eCollege Doc Sharing file IP_File_start.zip.
Modify the Programmer Header as needed and Save As the VBScript file as IP_FileWrite.vbs.
We are using the array of IP addresses that was used in Lab 4. The line dim ipAddress(5,3) declare 6x4 two-dimensio.
This assignment consists of four short programs. Use CodeBlock.docx
This assignment consists of four short programs. Use Code::Blocks to complete your work. You will submit the four C source code files for this assignment. Please zip the files and include your name in the name of the compressed file.
Part 1: Commenting Code
Including comments in source code that explains what the code does and how it does it are an important professional best practice. Code that is well-commented and well-formatted facilitates communication between programmers and others needing to work with the code. Commenting your code needs to be a habit from the beginning. Adding comments to code will also help reinforce important C programming concepts in your own mind.
Type in the code provided in the assignment Resources, build/compile the program, and run it. Typing the code in yourself rather than copying and pasting will help you get to know the C language. When you have the code running, go through the code and add comments to explain what the code does and how it does it. Be sure to add a header like the following to all code files (with your name and the date).
/* Ann Smith - IT2240 - U01a1 - Part 1
* 10/01/2015 Rev. 1
*/
You should add at least five comments to the code provided. Be sure to recompile and test the code after you have added your comments to make sure you have not introduced any syntax errors.
Part 2: About You
Create a program that prints three lines of text about yourself. Be sure to include appropriate spacing and new line characters to make the output in the terminal window readable. As with all programming code, but sure to format the program correctly and include comments and a header for the file, such as shown above.
Part 3: Integer and Floating Point Arithmetic
Write a single program that prints the results of two arithmetic expressions using integers and the results of two floating-point calculations (for a total of 4 calculations). Print out both the arithmetic expressions and the answers calculated by the code. For this program, it is fine to use "hard-coded" values (the numbers used in the calculations are provided in the code) rather than user input. Be sure to format the code correctly and include relevant comments in the source code (including the comment at the top of the file with your name and identification of the program).
Part 4: User Input
Write a program that prompts the user to enter a character, an integer, and floating point number. After reading the input, the program should print out the values entered. Be sure to format the code correctly and include relevant comments.
When you are ready to turn in your assignment, please zip your .c source code files together for submission.
...
PT1420 File Access and Visual Basic .docx
PT1420: File Access and Visual Basic
Page 1
This lab examines how to work with a file by writing Visual Basic code. Read the following
programming problem prior to completing the lab.
Write and design a simple program that will take 3 pieces of data and write it to a file. Create
variables and set them equal to the appropriate values:
Declare string firstName = “xxx”
Declare string lastName = “xxx”
Declare integer age = your age
Write this information to a file called myRecords.txt. Next, read this information from
the file and print it to the screen.
Step 1: Create a new Visual Basic workspace and add the following code:
Module Module1
Sub Main()
Dim firstName As String = "XXXX"
Dim lastName As String = "XXX"
Dim age As Integer = ####
Dim writer As System.IO.StreamWriter = System.IO.File.CreateText("myRecords.txt")
writer.WriteLine(firstName & " " & lastName & " " & age)
writer.Close()
Dim reader As System.IO.StreamReader = System.IO.File.OpenText("myRecords.txt")
Dim myInfo As String = reader.ReadLine()
Console.WriteLine(myInfo)
PT1420: File Access and Visual Basic
Page 2
reader.Close()
'this causes a pause so you can see your program
Console.Write("Press enter to continue...")
Console.ReadLine()
End Sub
End Module
Your module looks like this:
PT1420: File Access and Visual Basic
Page 3
Step 2: Change the values of the variables to your records. Your module looks like this:
Step 3: Run your program so that it works properly. Your output might look as follows:
PT1420: File Access and Visual Basic
Page 4
Step 4: Locate the .txt file in the bin\debug folder, and view your .txt file. Your output might
look as follows:
PT1420: File Access and Visual Basic
Page 5
Step 5: Submit the Visual Basic code as a compressed (zipped) folder using the following steps:
a. Open Windows Explorer --> Start --> All Programs --> Accessories --> Windows Explorer.
Your Windows Explorer might look as follows:
...
Question 1 briefly respond to all the following questions. make
Question 1 briefly respond to all the following questions. make
Be sure to read all of Chapters 8 and 9 before starting this assignm.docx
Be sure to read all of Chapters 8 and 9 before starting this assignment. Your job is to update your payroll program for Armadillo Automotive Group to use a C++ class. Each employee class object should hold the master file information for one employee. You can assume that the company has exactly 6 employees. Use an array of employee objects to hold the master file information for the company employees.
Do not put any pay information, including hours worked, in an Employee object. You might want to create a paycheck struct or object to hold pay information for one employee (this could include the hours worked).
DO NOT DO ANY INPUT OR OUTPUT IN ANY CLASS MEMBER FUNCTION.
The employee information and hours worked will come from input files instead of from the keyboard.
Employee class
Create a class to represent the master file information for one employee. Start with this partial Employee class:
class Employee
{
private:
int id; // employee ID
string name; // employee name
double hourlyPay; // pay per hour
int numDeps; // number of dependents
int type; // employee type
public:
Employee( int initId=0, string initName="",
double initHourlyPay=0.0,
int initNumDeps=0, int initType=0 ); // Constructor
bool set(int newId, string newName, double newHourlyPay,
int newNumDeps, int newType);
};
Employee::Employee( int initId, string initName,
double initHourlyPay,
int initNumDeps, int initType )
{
bool status = set( initId, initName, initHourlyPay,
initNumDeps, initType );
if ( !status )
{
id = 0;
name = "";
hourlyPay = 0.0;
numDeps = 0;
type = 0;
}
}
bool Employee::set( int newId, string newName, double newHourlyPay,
int newNumDeps, int newType )
{
bool status = false;
if ( newId > 0 && newHourlyPay > 0 && newNumDeps >= 0 &&
newType >= 0 && newType <= 1 )
{
status = true;
id = newId;
name = newName;
hourlyPay = newHourlyPay;
numDeps = newNumDeps;
type = newType;
}
return status;
}
Note that the constructor and set functions do validation on the data that is to be stored in the Employee object. They are similar to the validation in the Rectangle class from the textbook in
Section 7.11 Focus on Software Engineering: Separating class Specification, Implementation and Client Code.
For a more detailed discussion of validation for class objects, and the Employee class validation, see
Employee Data Validation
.
You should be able to copy this class into your editor by highlighting the code, making a copy of it (ctrl-c in Windows), and then pasting the code into your editor window.
Do not make any changes to the data members of the class. Do not add any new data members to the class. Do not make any changes to t ...
Programming For As Comp
This covers details on Writing Pascal using Lazarus.
A teaching resource for students without any previous experience.
Originally written for AQA A level Computing (UK exam).
Programming For As Comp
This covers details on Writing Pascal using Lazarus.
A teaching resource for students without any previous experience. Can be used for teaching or direct notes for students (Continued with notes for A2).
Originally written for AQA A level Computing (UK exam).
Open a new project in Visual Studio Community and name it in the form.pdf
Open a new project in Visual Studio Community and name it in the form of Last
name_CourseSection_Assignment 3. You are expected to use Loops and IO filestreams in this
program. Write comments to explain what each statement does, and how it achieves the desired
results (Remember to review the rubric posted under Course Materials to understand how your
program will be graded) PART 1: Write a program in C + that permits users to enter the
following information about your company's five employees and writes the following
information to the file (data.txt). Employee ID. Name Years with company Hourly Wages All
information must be displayed in a well formatted manner, so you can put in relevant
manipulators for this purpose. Run your program, put in employee information (for 5
employees), and verify if you have a txt file as required. PART 2: At this point you must have a .
tat file with information of 5 employees. Go back to your C + + programt (from part 1). put the
entire existing program from part I within block comstents / .... % , Now write a new program for
part 2 (in that same C + + file) as per instractions given below: Write a C + + program that reads
this file data. txt , one line at a time, asks for the number of hours worked by each employee per
month and calculates their total pay for that month. So for each of the employee records that
stream in, your program must ask user: Enter hours worked by (mame of employee): When user
puts in the answer, program must calculate the total salary and display on the computer screen as
* The salary of (name) is S (salary). EXIRA CREDIT ( 10 points) Make provisions in your part
2 program for the salary information (along with some other employee details) to be stored in a
new file called (February_salary.txt). Your information must be saved to the file in the following
format. ID no. Name Hourly wages Salary.
Python Programming - II. The Basics
Feel free to download the material for offline viewing later, better images' resolutions, and crispier fonts.
BTE 320-498 Summer 2017 Take Home Exam (200 poi.docx
BTE 320-498/ Summer 2017
Take Home Exam
(200 points)
Due 6/30/2017 – 11:59pm (No extensions)
Presentation in class Friday June 30 at 5:30 PM
Required Part
1. (a) Explain in English what the following function will do. Explain how it works.
(b) What will be the output if the following calls are made:
whoknows(2) =
whoknows(15) =
whoknows(-3) =
(c) Write a function digitize (using loops) that takes two parameters: one integer
parameter and one bool parameter. The function would print the integer one digit
at a time each on a separate line. If the bool parameter passed were true, the
function would print the digits from the most significant digit to the least
significant. Otherwise, it would print it in the reverse order (least significant to
most significant).
Function Call Output
digitize(1758,true) 1
7
5
8
digitize(1758,false) 8
5
7
1
(d) Write a function (without using loops) that reverses the digits in an integer
and prints out the integer in this reverse form. It is not necessary to calculate the
value of the reverse integer, just print out the digits in reverse order. The function
should be called reverse. Remember to explain your functions, either by adding
comments or using pseudocode or showing how you derived the function. State
any assumptions you make.
2. (a) Write a function, printdivisors, that takes a single integer parameter and prints
all the numbers less that the parameter that are divisors of the parameter (i.e.
divides it without a remainder) including 1. So printdivisors(6) will print 1,2,3.
Note you may use a wrapper function or default parameters.
(b) Write a function, sumdivisors, that takes a single integer parameter and returns
the sum of all the divisors of the parameter (including 1). So sumdivisors(6) will
return 6 as 1+2+3=6. Note you may use a wrapper function or default parameters.
(c) Write a function, allperfects, that takes two parameters, each an integer, in any
order and prints out all the perfect numbers between the lower parameter and the
higher parameter. A perfect number is one is which the sum of its divisors is equal
to the number itself.
Remember to explain your functions, either by adding comments or showing how
you derived the function. State any assumptions you make.
3. (a) Write a recursive function, printZeros, which prints out a series of zeros. The
function takes one parameter and prints out the number of zeros specified by the
parameter. So printZeros(4) will print: 0000 and printZeros(2) will print 00.
(b) Write a recursive function, printZPattern, which prints out a pattern of zeros
as follows:
printZPattern(3) outputs:
000
printZPattern(1) outputs:
0
printZPattern(4) outputs:
0000
00 000
0 00
0
(c) How would you modify your second function to print a mirror pattern, such as
(you do not have to code this one, just explain):
printZPattern2(3) outputs:
000
00
0
00
000
Re ...
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