# COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

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## COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

COMP 122 Lab 1 Lab Report and Source Code

COMP 122 Lab 2 Lab Report and Source Code

COMP 122 Lab 3 Lab Report and Source Code

COMP 122 Lab 4 Lab Report and Source Code

COMP 122 Lab 5 Lab Report and Source Code

COMP 122 Lab 6 Lab Report and Source Code

COMP 122 Lab 7 Lab Report and Source Code

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## COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

COMP 122 Lab 1 Lab Report and Source Code

COMP 122 Lab 2 Lab Report and Source Code

COMP 122 Lab 3 Lab Report and Source Code

COMP 122 Lab 4 Lab Report and Source Code

COMP 122 Lab 5 Lab Report and Source Code

COMP 122 Lab 6 Lab Report and Source Code

COMP 122 Lab 7 Lab Report and Source Code

## COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

**COMP 122 Lab 1 Lab Report and Source Code**

Week 1 iLab – Part 1

Follow the instructions in COMP 122_W1_iLab_Part1_instructions.docx.

COMP 122

Week 1 iLab – Part 2

Complete the following two programs:

Programming Problem 1

John wants to know the values of the area and perimeter of a rectangle. John can take measurements of the length and width of the rectangle in inches. John’s measurements are expected to be accurate to within 0.1 inch.

1. Identify the inputs and outputs of the problem.

2. Identify the processing needed to convert the inputs to the outputs.

3. Design an algorithm in pseudo code to solve the problem. Make sure to include steps to get each input and to report each output.

5. Write the program to implement your algorithm. Test your program using your test cases. Did your program produce the values predicted in your test cases? Explain.

4. Identify two test cases, one using whole number values, and one using decimal number values. For each of the two test cases show what inputs you will use and what your expected outputs should be.

## COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

**COMP 122 Lab 2 Lab Report and Source Code**

Week 2 iLab

Complete the following two programs:

Programming Problem 1

Write a program that calculates and outputs the monthly paycheck information for an employee, including all the amounts deducted from an employee’s gross pay, and the net pay that is due to the employee. The user of your program will know the employee’s name and the gross pay for the employee. Each employee has the following deductions taken from his gross pay:

Federal Income Tax: 15%

State Tax: 3.5%

Social Security + Medicare Tax: 8.5%

Health Insurance $75

The output from your program should be structured as is displayed below:

Bill Robinson

Gross Amount: ………… $3575.00

Federal Tax: …………. $ 536.25

State Tax: …………… $ 125.13

Social Sec / Medicare: … $ 303.88

Health Insurance: …….. $ 75.00

Net Pay: …………….. $2534.75

Your program should deal with erroneous input values. Gross salary should always be a positive number. Make sure that you deal with the possibility that the user may have entered a non-numeric input value. Have your program output appropriate error messages in these cases.

1. Identify the inputs and outputs of the problem.

2. Identify the processing needed to convert the inputs to the outputs.

3. Design an algorithm in pseudo code to solve the problem. Make sure to include steps to get each input and to report each output. Include steps to deal with error cases.

4. Identify three test cases, one using a positive number, and one using a negative number, and one using incorrect input (ie. Input a letter rather than a digit for the numeric input). For each of the three test cases show what inputs you will use and what your expected outputs should be.

5. Write the program to implement your algorithm. Test your program using your test cases.

Programming Problem 2

In a right triangle, the square of the length of one side is equal to the sum of the squares of the lengths of the other two sides. Stephanie has the integer lengths of three sides of a triangle and needs to know if it is a right triangle.

Write a program to solve this problem. NOTE: The user must be allowed to input the values of the sides in ANY ORDER!

1. Identify the inputs and outputs of the problem.

2. Identify the processing needed to convert the inputs to the outputs.

3. Design an algorithm in pseudocode to solve the problem. Make sure to include steps to get each input and to report each output.

4. Identify five significant test cases including one for incorrect input (ie. Input a letter rather than a digit for the numeric input). (Think about what impact changing the order of the input values should have on your program!) For each of the five test cases show what inputs you will use and calculate what your expected outputs should be.

5. Write the program to implement your algorithm. Test your program using your test cases.

## COMP 122 COMP122 COMP/122 ENTIRE COURSE HELP – DEVRY UNIVERSITY

**COMP 122 Lab 3 Lab Report and Source Code**

Week 3 iLab

Complete the following two programs:

Programming Problem 1

Write a program that generates all the factors of a number entered by the user. For instance, the number 12 has the factors 2 * 2 * 3. This program has the following requirements:

A. The user must enter a positive integer. If the user enters something else, your program should output an error message and let the user enter a new value. Use a do/while loop to make sure the user input is successful.

B. The factors must be output in increasing order. The lowest factor your program should report is 2.

C. Your program should output 4 factors per line, each factor in a field of 10 characters. (Hint: the number of factors output determines when to output endl!)

D. You will need a while loop to report the factors. Here are some helpful hints:

1. If (a % b == 0) then a is a factor of b.

2. When you have found a factor, output the factor and then reduce the number you are working with by dividing the number by the factor… ie) / a;

1. Design an algorithm in pseudocode to solve the problem. Make sure to include steps to get each input and to report the output. Include steps to deal with error cases as specified above.

2. Identify three test cases, one using a number with 4 factors, one using a negative number, and one using a number with more than 4 factors. For each of the three test cases show what inputs you will use and what your expected outputs should be.

3. Write the program to implement your algorithm. Test your program using your test cases.

Programming Problem 2

This program is designed to analyze the growth of two cities. Each city has a starting population and annual growth rate. The smaller city has the larger growth rate (required). Show the comparative populations of each city year by year until the smaller city has grown larger than the bigger city.

As an example, Dogville has a population of 5000 growing at 20% annually while Cattown has a population of 7000 growing at 10% annually. The projected populations are:

Year DogvilleCattown

1 6000 7700

2 7200 8470

3 8640 9317

4 10368 10249

1. Identify the inputs and outputs of the problem.

2. Identify the processing needed to convert the inputs to the outputs

3. Design an algorithm in pseudocode to solve the problem. Make sure to include steps to get each input and to report each output.

4. Identify three significant test cases including one for incorrect input (ie Small town has lower growth rate). For each of the three test cases show what inputs you will use and calculate what your expected outputs should be.

5. Write the program to implement your algorithm. Test your program using your test cases.