CMIS 102 Entire Course NEW

MD University CMIS 102 Homework 1 Solution
(100% Correct) NEW
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Introduction to Problem Solving and Algorithm
Design
Using the above Code of Ethics, Pick at least 2 of
the 8 principles and describe what these
principles mean to you. In your write-up,
summarize the principles you selected in your own
words and provide at least one example of an
activity or action you could take that would
support each principle and one example of an
activity or action that you believe would violate
each principle. Be sure your document is well-
written with minimal grammatical and spelling
issues.

MD University CMIS 102 Homework 2 Test Case
Creation Using the following pseudocode (100%
Correct) NEW
md-university-/cmis-102-homework-2-test-
case-creation-using-the-following-
pseudocode-recent
Homework 2 – Test Case Creation Using the
following pseudocode, provide 3 unique test cases
that would help validate your algorithm. Be sure to
place the test cases in a table showing the input
https://www.coursehero.com/tutors-
problems/Computer-Science/10754291-I-need-
help-with-c-coding-asap-how-much-will-it-
be/zvalues, and expected output for each test case.
Write "Enter the price in dollars:"

Input Price
Write "Enter state sales tax(e.g. .06) :"
Input SalesTax
Set Price = Price + (Price * SalesTax)
Write "Price with Tax is" + Price
Submit your word or PDF file to your assignments
folder no later than the due date. Grading
guidelines
Submission
A minimum of 3 test cases were provided.
Input provided and explained for each test case.
Expected output provided and explained for each
test case.
Test cases represent a wide variety of possible
input values (e.g.large numbers,small numbers (0), negative, or unexpected non-number
entries).
Total Points
2
1
1
1
5

MD University CMIS 102 Homework 3 (100%
Correct) NEW
md-university-/cmis-102-homework-3-recent
Create your own unique While-End or (For End)
repetition C code. You decide the theme. Be sure to
provide an overview of what your repetition
structure is doing. Please keep the design simple
for this exercise. Just a few lines of code is all that
is needed for this response. This should be code
you wrote for an application that is interesting to
you. In other words, make it your own and have
fun with it.
Provide the C code and a screen capture showing
the results of testing your code in an online

compiler. Be sure to test your code with several
test cases and show your test case table

MD University CMIS 102 Homework 4 Create your
own Function NEW
md-university-/cmis-102-homework-4-create-
your-own-function-recent
Create your own function in C that accepts one
input parameter and returns a float number. You
decide the theme.
You should provide both your C code and an
example call to the C code function. Be sure to
provide an overview of what your function is
doing.
Provide a screen capture showing the results of
testing your code in an online compiler.

Be sure to test your code with several test cases
and show your test case table.
Submit your word or PDF file to your assignments
folder no later than the due date.

MD University CMIS 102 Week 1 Hands-On Lab
NEW
md-university-/cmis-102-week-1-hands-on-
lab-recent
This hands-on lab demonstrate a simple
sequential print statements using an online C
compiler such as ideone.com. You should follow
the instructions to complete the lab as well as
perform the learning exercises at the end of this
lab.
Instructions
1. Open up any online C compiler (e.g ideone.com).
2. Be sure the C Language is selected.

3. Enter the code below into the editor. (Note: LEO
doesn’t let you just copy and paste from this
document so you can either download the
document and then copy and paste or just go to the
Code for HelloWorld link for this week and copy
and paste from there.)
4. Click the submit, or run button.
5. Try the additional learning exercises on the next
page. Here is what Hello, World! Looks like using
ideone.com after it has successfully run
Hello, World C code
1
2
3
4
5
6 #include <stdio.h>
int main(void) {
printf("Hello, World!");
return 0;
}
Learning Exercises for you to complete
1. Remove the semi-colon (;) at the end of this

statement:
1 printf("Hello, World!");
2. Describe what happens. Why is the semi-colon
needed?
3. What happens if you add another printf
statement such as:
1 printf("Goodbye"); after the printf("Hello,
World!"); line?
4. Describe the new output. Be sure to support
your description with screen captures of executing
the new code.
5. Experiment by adding additional printf
statements to your code such as:
1
2 printf("Goodbye n");
printf("Hello, again! n");
6. What does the “n” do to the output?
CMIS 102 Week 1 Hands-On Lab
This hands-on lab demonstrate a simple
sequential print statements using an online C
compiler such as ideone.com. You should follow
the instructions to complete the lab as well as

perform the learning exercises at the end of this
lab.
Instructions
1. Open up any online C compiler (e.g ideone.com).
2. Be sure the C Language is selected.
3. Enter the code below into the editor. (Note: LEO
doesn’t let you just copy and paste from this
document so you can either download the
document and then copy and paste or just go to the
Code for HelloWorld link for this week and copy
and paste from there.)
4. Click the submit, or run button.
5. Try the additional learning exercises on the next
page. Here is what Hello, World! Looks like using
ideone.com after it has successfully run
Hello, World C code
1
2
3
4
5
6 #include <stdio.h>

int main(void) {
printf("Hello, World!");
return 0;
}
1. Remove the semi-colon (;) at the end of this
statement:
1 printf("Hello, World!");
2. Describe what happens. Why is the semi-colon
needed?
3. What happens if you add another printf
statement such as:
1 printf("Goodbye"); after the printf("Hello,
World!"); line?
4. Describe the new output. Be sure to support
your description with screen captures of executing
the new code.
5. Experiment by adding additional printf
statements to your code such as:
1
2 printf("Goodbye n");
printf("Hello, again! n");

6. What does the “n” do to the output?

NEW
lab-recent
Overview
This hands-on lab allows you to follow and
experiment with the critical steps of developing a
program including the program description,
analysis, test plan, design, and implementation
with C code.
Program Description
This program will sum two integer numbers to
yield a third integer number. Once the calculations

are made the results of all the numbers will be
printed to the output screen.
Analysis
We will use sequential programming statements.
We will define 3 integer numbers: a, b, c.
c will store the sum of a and b.
Test Plan
To understand this program the following input
numbers could be used for testing:
a = 10
b = 20
c = a + b = 10 + 20 = 30
In table format the following results are expected:
1. Change the C code to calculate the product of
two integers as opposed to the sum of two
integers. Support your experimentation with a
screen capture of executing the new code.

2. Prepare a new test table with at least 3 distinct
test cases listing input and expected output for the
product of two integers.
3. Change the C code to calculate the quotient (e.g.
a/b) of two floats (e.g. 2.3/1.5).Hint: Use float
variable types as opposed to integers. What
happens if the denominator is 0.0? Support your
experimentation with screen captures of executing
the new code
quotient of two floats.
Submission
• Submit a neatly organized word (or PDF)
document that demonstrates you successfully
executed this lab on your machine using an online
compiler. You should provide a screen capture of
the resulting output.
• Also, provide the answers, associated screen
captures, C Code and descriptions of your
successful completion of learning exercises 1, 2, 3
and 4.
• The answers to the learning exercises, screen
captures, C code and descriptions can be included

in the same neatly organized document you
prepared as you ran this lab. Note the code can be
embedded in the word document. However; be
sure all code compiles and runs perfectly before
submitting the document.
• Submit your document no later than the due date
listed in the syllabus or calendar.

NEW
lab-recent
Overview
analysis, test plan, design, pseudocode
visualization, and implementation with C code.
The example provided uses mathematical
operators and variable types. Program
Description

This program will calculate the area of a right
triangle. The program will ask the user to enter
the base and height and then use these values to
calculate and then print the area of the triangle.
The design step will include pseudocode.
Analysis
I will use sequential programming statements. I
will define two float numbers for the base and
height: base, height. Float numbers were selected
as opposed to integers to make sure triangles of all
dimensions are possible and not just whole
numbers.
Float number will store the area: area
The area will be calculated by this formula
Area = ½ * (base * height)
For example if the base was 4.2 and the height was
5.3 the area would be calculated as:
Area = ½ * (4.2 * 5.3) = ½ * (22.26) = 11.13
Test Plan

To verify this program is working properly the
following base and height values could be used for
testing:
Learning Exercises to be complete (Setting up the
code and the input parameters in ideone.com:)
1. Change the C code to calculate the perimeter of a
triangle. Support your experimentation with a
screen capture of executing the new code
perimeter of a triangle.
3. What is this line of code doing?
1 scanf("%f", &height);
4. How would you change this line if you wanted to
input an Integer as opposed to a float?
5. What are the values of f and g after executing the
following C?

MD University CMIS 102 Week 4 Hands on Lab
NEW
lab-recent
Week 4
Overview
analysis, test plan, design (using pseudocode), and
implementation with C code. The example
provided uses sequential and selection
statements.

Program Description
This program will calculate the sum of 5 integers.
The program will ask the user to 5 integers. If the
sumof the numbers is greater than 100, a message
is printed stating the sum is over 100. The design
step will include both pseudocode.
Analysis
I will use sequential, and selection programming
statements.
I will define six integer numbers: value1, value2,
value3, value4, value5 and sum. The value1,
value2,value3, value4 and value5 variables will
store the integers input by the user. The sum will
store the sum of the 5 values.
The sum will be calculated by this formula:
sum = value1 + value2 + value3 + value4 + value5
For example, if the first values entered were value
1=1, value 2=1, value 3=2,value 4=2 and value 5=3
respectively:
sum = 1 + 1 + 2 + 2 + 3 = 9

The additional selection statement will be of this
form:
If sum > 100 then
print "Sum is over 100"
End If Test Plan
input values could be used for testing:
Test Case
1 2 Input
value1=1
value2=1
value3=1
value4=0
Value5=2
value=100
value=100
value=100
value=100
value=200 Expected Output
Sum = 5 Sum = 600
Sum is over 100. 1 3 value= -100
value= -100
value= -200
value = 0
value= 200 Sum = -200 Pseudocode
// This program will calculate the sum of 5

integers.
// Declare variables
Declare value1, value2, value3, value4, value5,
sum as Integer
//Initialize Sum to 0
Set sum = 0
// Enter
Print
Input
Print
Input
Print
Input
Print
Input
Print
Input values
“Enter
value1
“Enter
value2
“Enter
value3
“Enter
value4
“Enter
value5 an Integer for value1”

an Integer for value2”
an Integer for value5” // Calculate sum
sum = value1 + value2 + value3 + value4 + value5
// Print results and messages
Print “Sum is “ + sum
If (sum > 100)
Printf “Sum is over 100”
End if C Code
The following is the C Code that will compile in
execute in the online compilers.
// C code
// This program will calculate the sum of 5
integers.
// Developer: Faculty CMIS102
// Date: Jan 31, XXXX
#include <stdio.h>
int main () 2 {
/* variable definition: */
int value1,value2,value3,value4,value5,sum; /*
Initialize sum */
sum = 0;
printf("Enter an Integer
scanf("%d", &value1);

scanf("%d", &value5); for
value1n");
for value2n");
for value3n");
for value4n");
for value5n"); sum = value1 + value2 +
value3 + value4 + value5;
printf("Sum is %dn " , sum );
if (sum >100)
printf("Sum is over 100n");
return 0;
}
Setting up the code and the input parameters in
ideone.com:
Note the input integer values are 100, 100, 100,
200 and 100, for this test case. You can change
these values to any valid integer values to match
your test cases. 3 Results from running within
ideone 4 Learning Exercises for you to complete

1. Demonstrate you successfully followed the steps
in this lab by preparing screen captures of you
running the lab as specified in the Instructions
above.
2. Change the C code to sum 10 integers as opposed
to 5? (Hint: Please don’t use arrays or Loops for
this. We will be using those features in another
week.) Support your experimentation with a
screen capture of executing the new code 3. Using
the code you create in step 1, modify the code to
print an additional statement if the sum of the
value is negative (Hint: Consider modifying the
existing selection statement) Support your
experimentation with a screen capture of
executing the new code. 4. Prepare a new test table
with at least 3 distinct test cases listing input and
expected output for
the code you created after step 2.
5. Create your own C code implementation of one
of the following mathematical formulas: a. y = mx +
b; (slope of a line) Assume the user will be
prompted to input m, x and b and the program will
calculate y. If the value of y is greater than 10,
inform the user the value is greater than 10.
b. a = PI * r*r; (area of circle). Assume the user will
be prompted to input the radius r. You can define

PI as 3.1416. . If the value of a is greater than 10,
inform the user the value is greater than 10.
c. v = 4/3 PI r*r*r; (volume of sphere) Assume the
user will be prompted to input the radius r. You
can define PI at 3.1416. If the value of v is greater
than 10, inform the user the value is greater than
10.
Be sure you provide not only the C code but a test
table with at least 3 distinct test cases listing input
and expected output your mathematical formula.
Submission
Submit a neatly organized word (or PDF)
document that demonstrates you successfully
executed this labon your machine using an online
compiler. You should provide a screen capture of
the resulting output.Submit all C code you created
in files.
Also, provide the answers and any associated
screen captures of your successful completion of
exercises 1, 2, 3 and 4.
Submit your document no later than the due date
listed in the syllabus or calendar.
5 Grading guidelines

Submission
Demonstrates the successful execution of this Lab
within an online compiler. Provides supporting
screen captures.
Modifies the C code to sum 10 integers as opposed
to 5.
Supports your experimentation with screen
captures of executing the code.
Using the code created in step 1, modifies the code
to print an additional statement if the sum of the
value is negative Supports your experimentation
with a screen capture of executing the new code.
Provides a new test table with at least 3 distinct
code you created after step 2.
Creates your own unique C code implementation
of one of the provided mathematical formulas.
Provides a new test table with at least 3 distinct
test cases listing input and expected output your
mathematical formula. Supports your
experimentation with a screen capture of
executing the new
code.

Document is well-organized, and contains minimal
spelling and grammatical errors.
Total Points
2
2 2 1 2 1
10 6

NEW
lab-recent
Overview
analysis, test plan, design (using pseudocode), and
implementation with C code. The example
provided uses sequential, selection and repetition
statements.
Program Description

This program will calculate the average of 10
positive integers. The program will ask the user to
10 integers. If any of the values entered is
negative, a message will be displayed asking the
user to enter a value greater than 0. The program
will use a loop to input the data.
Analysis
I will use sequential, selection and repetition
programming statements. I will define two integer
numbers: count, value and sum. count will store
how many times values are entered. value will
store the input. Sum will store the sum of all 10
integers. I will define one double number: avg. avg
will store the average of the ten positive integers
input.
1. Change the code to average 20 integers as
opposed to 10. Support your experimentation with
screen captures of executing the new code.

3. What happens if you entered a value other than
an integer? (For example a float or even a string).
Support your experimentation with screen
captures of executing the code.
4. Modify the code to allow the user to enter an
unspecified number of positive integers and
calculate the average. In other words, the user
could enter number of positive integers. (Hint: You
can prompt the user for how many they want to
enter. Or; you could use a sentinel value to trigger
when the user has completed entering values). You
may need to conduct some research on your own
to solve this problem. Prepare a new test table
with at least 3 distinct test cases listing input and
expected output for the code you created. Support
your experimentation with screen captures of
executing the new code

NEW
lab-recent
Overview
analysis, test plan, design and implementation
with C code. The example provided uses
sequential, repetition statements and nested
repetition statements.
Program Description

This program will calculate the average of 3 exams
for 5 students. The program will ask the user to
enter 5 student names. For each of the students,
the program will ask for 3 exam scores. The
average exam score for each student will be
calculated and printed.
Analysis
I will use sequential and repetition programming
statements.
I will define one String to store the student name:
StudentName.
I will define three Float numbers: Examvalue, Sum,
Avg to store exam values the sum of the exams and
the average of the exams.
Sum = Sum + Examvalue
For example, if the first value entered was 80.0
and second was 90.0 and the third exam was
100.0: sum = sum + Examvalue = 0.0 + 80.0
sum = 80.0 + 90.0 = 170.0
sum = 170.0 + 100.0 = 270.0
Avg is then calculated as:

Avg = sum/3.0
For example 270.0/3.0 = 90.0
A nested repetition loop can be used to loop
through each of the 5 students and each of the 3
exams:
For (students=0; students <5; students++) For
(exams=0;exams<3;exams++) End For End For
Sum values will need to be reset for each student
to ensure only one student data is used for
calculations each time.Test Plan
input values could be used for testing:
1. Modify the code to be able to input an
undetermined number of students. You will still
only have 3 exams for each student. Support your
the new code.
3. What is the line of code doing?

char StudentName[100];
(Hint: We haven’t covered arrays, but a String can
be thought of as an array of characters) ?
4. What would happen if you moved the Set Sum =
0.0 from inside the for loop to right after the
declaration. For example:
// Declare variables
Declare StudentName as String Declare
ExamValue, Sum, Avg as Float
// Initialize Sum Set Sum = 0.0;
Support your experimentation with screen
captures of executing the new code.

NEW
lab-recent
Overview:
Analysis, Design(program design, pseudocode),
Test Plan, and implementation with C code. The
example provided uses sequential, repetition,
selection statements, functions, strings, and
arrays.

Program Description:
This program will input and store meteorological
data into an array. The program will prompt the
user to enter the average monthly rainfall for a
specific region and then use a loop to cycle
through the array and print out each value. The
program should store up 5 years of meteorological
data.
Analysis:
I will use sequential, selection, and repetition
programming statements and an array to store
data.
I will define a 2-D array of Float number:
Raindata[][] to store the Float values input by the
user. To store up to 5 years of monthly data, the
array size should be at least 5*12 = 60 elements.
A float number (rain) will also be needed to input
the individual rain data.
An integer variable (Count) is needed to keep
count of how many rain data elements were
entered. This will keep track to make sure we
don’t go over 60 and we print only valid rain
elements. In a 2D array this will be

RainData[5][12]. We can use #defines to set the
number of years and months to eliminate hard
coding values.
A float number (rain) will also be needed to input
the individual rain data. A nested for loop can be
used to iterate through the array to enter
Raindata. A nested for loop can also be used to
print the data in the array. A array of strings can
be used to store year and month names. This will
allow a tabular display with labels for the printout.
Functions will be used to separate functionality
into smaller work units. Functions for displaying
the data and inputting the data will be used.
A selection statement will be used to determine if
data should be entered.
Learning Exercises for you to try:
1. Modify the program to add a function to sum the
rainfall for each year (Hint: you need to sum for
each year. You can do this using a looping
structure) Support your experimentation with
screen captures of executing the new code
2. Enhance the program to allow the user to enter
another meteorological element such as
windspeed (e.g. 2.4 mph). Note, the user should be

able to enter both rainfall and windspeed in your
new implementation. Support your
the new code.
code you created after step 2
4. What happens if you change the NUMMONTHS
and NUMYEARS de finitions to other values? Be
sure to useboth lower and higher values. Describe
and implement fixes for any issues if errors
results. Support your experimentation with screen
captures of executing the new code.

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