need to write two the peer reply

In previous modules, you learned about the importance of process modeling and how UML use case diagrams can be used to represent the different actors and “use cases” for a particular system. Your readings for this module have focused on how to create UML diagrams using CASE tools. In this discussion, you will bring these concepts together by creating a UML use case diagram for the DriverPass project.

To prepare for your initial discussion post, review the and the business requirements document that you created for Project One. As you review these documents, consider the following questions:

• Who are the different “actors” in your system design? Consider the different users of the system as well as any outside systems.
• What are the different “use cases” for your system? Consider the different functionality your system should provide. What do the different users need to be able to do?

After you have reviewed these documents, begin creating your UML use case diagram using the CASE tool Lucidchart. Download your diagram as a PDF. Be sure to check the “Accessible PDF” box before downloading. Use the Module Six resources to help you with this task.

In your initial post, be sure to address each of the following:

• Attach the PDF copy of your completed UML use case diagram for the DriverPass system. Be sure that you used proper UML notation.
• Describe your UML use case diagram in a few sentences. What use cases did you capture? Who are the different actors? Did you capture all required functionality for the DriverPass system?
• What challenges, if any, did you experience in using Lucidchart? How did you overcome these challenges?
• Thinking about the DriverPass system as a whole, what are two technical requirements of your system design?

For your follow-up posts, you will be reviewing your classmates’ diagrams. Your diagrams will have differencesand that’s okay! There is an element of creativity in system design. In your follow-up posts, address the following:

• What similarities do you notice between your and your classmate’s designs?
• What is one difference that you see between you and your classmate’s designs?
• What would you add to this design? What recommendations would you give to improve the design?

I am attaching my post

peer post 1:

Nathan Vanderpool posted Feb 13, 2026 2:38 AM

• Who are the different “actors” in your system design? Consider the different users of the system as well as any outside systems.

.

The actors in the DriverPass system design, based on the interview transcript, represent the different users and external entities that interact with the system. Here are the key ones identified:

• Customer (also referred to as Student or User): The primary external user who registers, purchases packages, takes online classes/practice tests, views progress, and manages reservations.
• Secretary (or administrative staff handling phone/in-person scheduling): Handles customer registrations and appointment scheduling on behalf of customers.
• Owner (Liam, the “big boss”): Has high-level access, views reports, tracks activity logs, manages overall business data, and disables packages.
• IT Officer (Ian): Manages user accounts (e.g., reset passwords, block access), maintains the system, and has full administrative privileges.
• DMV (Department of Motor Vehicles): An external system/actor that provides updates on rules, policies, sample questions, with notifications to DriverPass when changes occur (Liam mentioned connecting to the DMV for compliance updates).
• Driver/Instructor (implied, as they conduct lessons, leave notes/comments on sessions, and are assigned to reservations with cars): They likely interact to record lesson outcomes/notes, though not explicitly named as a system user in the transcript; they may use the system to view schedules or add driver comments.

.

• What are the different “use cases” for your system? Consider the different functionality your system should provide. What do the different users need to be able to do?

.

The use cases capture the main functionalities the system must provide, grouped by actor interactions. These are derived directly from the client’s stated needs (online access, reservations, security, tracking, online learning, compliance, etc.). Here’s a comprehensive list of key use cases:

.

Customer-related use cases:

• Register / Create Account (provide personal info, credit card details; can be done by secretary or online)
• Purchase / Select Package (choose from Package 1, 2, or 3; system should allow disabling packages)
• Reset Password (automatic self-service if forgotten)
• View Test Progress (see tests taken, in progress, completed; details like test name, time taken, score, status: not taken/in progress/failed/passed)
• Take Online Classes / Practice Tests (access content and tests, especially in Package 3)
• Make Reservation (schedule driving lesson: select day/time, package implications for sessions; online via account)
• Modify Reservation
• Cancel Reservation
• View Driver Notes / Lesson History (see lesson times, start/end hours, driver comments)

.

Secretary-related use cases:

• Create Account / Register Customer (input form for student info: name, address, phone, state, credit card, pickup/drop-off location)
• Schedule Appointment / Make Reservation (via phone or in-office)
• (Possibly) Modify or Cancel Reservation on behalf of customer

.

Owner-related use cases:

• View / Download Reports (e.g., activity reports, Excel exports)
• View Activity Logs / Audit Trail (who made/ modified/ canceled reservations, last modified by whom)
• Disable Package (prevent new registrations for a package)

.

IT Officer-related use cases:

• Manage User Accounts (reset passwords, block/disable access, full admin rights)
• Maintain System (general modifications, though specifics deferred)

.

DMV-related use cases:

• Provide Updates / Notify System (external trigger: push notifications or connection for new rules/policies/questions)

.

Shared / General use cases:

• Authenticate / Login (verify credentials for all internal users)
• Track Changes / Audit (system-wide logging for reservations and modifications)
• View / Access Data (online from any device; download for offline work, but no offline edits)
• Contact Support / Contact Student (contact page/form)

.

Many use cases involve security/logging (e.g., tracking who did what), cloud-based web access, role-based access control, and flexibility (e.g., disabling packages).

peer post 2:

Isaac Malagisi posted Feb 13, 2026 1:17 AM

Hello everyone,

For this assignment, I created a UML use case diagram for the DriverPass system that illustrates the system boundary, the different actors, and the major use cases required for system functionality. The primary actors identified include the Student (Customer), Secretary, Instructor (Driver/Trainer), Admin, IT Officer, and the external DMV System. Each actor interacts with the system differently based on their role and responsibilities.

The use cases captured in the diagram reflect the full scope of the DriverPass system. For account management, use cases include registering a student account, logging in, resetting a password, and managing profile information. Students are able to access online classes, take practice tests, and view test results and progress. Scheduling functionality is a core component of the system and includes scheduling, modifying, canceling, and viewing driving lessons. These scheduling actions include a required <<include>> relationship with matching a driver and vehicle to the lesson to ensure proper resource allocation. Instructors are able to enter driver notes and view lesson history. Administrative functions include generating reports, viewing audit logs, disabling packages, and managing user accounts. The DMV system interacts with DriverPass to provide updates to practice test content and notify administrators of changes.

I believe I successfully captured all required functionality for the DriverPass system, including user interaction, administrative controls, and external system integration. The diagram clearly shows the system boundary and actor relationships using proper UML notation. One challenge I experienced while using Lucidchart was organizing the use cases in a way that maintained readability while minimizing line crossings between actors and use cases. This seemed to be by far the most nuanced or tedious challenge that I spent much time trying different formats. With many actors interacting with multiple functions, the diagram initially became cluttered. I resolved this by grouping related use cases logically within the system boundary and adjusting spacing to reduce overlapping lines. I also carefully used <<include>> relationships only where necessary to avoid overcomplicating the diagram.

Two important technical requirements of the DriverPass system design include role-based access control and scheduling accuracy with conflict prevention. Role-based access control ensures that students, instructors, administrators, and IT officers have appropriate permissions based on their responsibilities. Scheduling accuracy is critical to prevent double-booking of instructors or vehicles and to ensure reliable lesson management. I believe these technical requirements support both system security and operational efficiency.

use the pictures provided and follow the EXACT FORMAT IN THE TEXT

Guidelines for Assignment

Assignments must be submitted as a word document file.

If your originality score (plagiarism) is not within a reasonable range, you will receive a zero. If you want to avoid this, make your responses original and do not copy off the Internet.

To avoid any plagiarism issues, you must use the class lecture Slides to answer the assignments. If you use another source to answer any assignment, you MUST CITE it, or you will get ZERO on the submission.

Just need someone to rewrite and proof read my one page code write up about about my timing study

Timing Study: Linear Search vs. Binary Search

Purpose

The purpose of this assignment was to compare the performance of Linear Search and Binary Search as the size of the array (N) increases. Since Binary Search requires a sorted array, Insertion Sort was used before performing Binary Search. The time for sorting was included in the Binary Search timing.

Method

For this experiment, arrays of random numbers were generated for different sizes of N. The sizes tested were increasing values such as 100, 500, 1000, 2000, 5000, and 10000.

For each array, the following steps were performed:

1. An array of N random integers was created.
2. A random index between 0 and N-1 was selected.
3. The value at that index was used as the search target.
4. Linear Search was performed and timed.
5. A copy of the array was sorted using Insertion Sort.
6. Binary Search was performed on the sorted array.
7. The total time for sorting and Binary Search was recorded.

The time.perf_counter() function in Python was used to measure execution time.

Results

As the value of N increased, the time for Linear Search increased steadily. The time for Binary Search alone is very small, but when combined with Insertion Sort, the total time increased much faster.

For small values of N, both methods performed quickly. However, for larger values of N, Binary Search with Insertion Sort took significantly longer than Linear Search.

Analysis

The results match the expected time complexities of the algorithms. Linear Search has a time complexity of O(n). Insertion Sort has a time complexity of O(n2). Binary Search has a time complexity of O(log n).

Even though Binary Search is faster than Linear Search by itself, the required sorting step makes the overall process much slower. Since Insertion Sort is O(n2), it dominates the total runtime.

This explains why Binary Search with sorting became slower than Linear Search for large arrays.

Conclusion

This experiment shows that the overall efficiency of an algorithm depends on all steps involved. Although Binary Search is very efficient, the need to sort the array using Insertion Sort makes it less practical for large datasets. Linear Search performed better overall when sorting time was included.

If a faster sorting algorithm such as Merge Sort (O(n log n)) were used, Binary Search would likely outperform Linear Search for large values of N.

As you move forward in your doctoral research journey, its time to reflect, decide, and strategize for the successful completion of your capstone project. At this critical juncture, you need to make key decisions about the direction of your research. Heres what to consider:

Narrow, Revise, or Expand Your Research Plan

You must evaluate your previously submitted research plan to determine whether to narrow, revise, or expand its scope. Given the time constraints and the need to produce a thorough, high-quality project, adjustments may be necessary to ensure feasibility. Narrowing your focus can make the project more manageable, while revising it may align your study more closely with current goals or available resources. Expanding your research could involve incorporating additional datasets or variables, but this must be carefully weighed against the project timeline.

To Team Up or Not?

You can decide whether to work independently or team up with peers who have similar research interests. Teaming up can bring diverse perspectives and shared responsibilities, which might enhance your research outcomes. However, working independently allows for full control over the project direction and execution. Weigh the benefits and challenges of both approaches to decide what best fits your preferences and project goals.

Ensuring Doctoral-Level Competence

To demonstrate doctoral-level competence, you must design and execute a research plan that is methodologically sound, critically engaging, and contributes to your field of study. This involves setting clear research objectives, utilizing appropriate methodologies, and presenting your findings in a scholarly manner. Regular consultations with your advisor, staying on track with your timeline, and being adaptable to feedback are essential strategies for maintaining high standards.

SHORT ESSAY (10 Points)

You will write a 300-word summary outlining your research goals and the strategies you will use to meet class deadlines and future milestones. This summary will serve as your commitment to your research plan and a blueprint for managing your progress effectively.