In an Educational Testing Service (ETS) management system, various modules and interactions would be essential to handle the testing processes. Here's a scenario depicting a similar flow for an ETS management system: The Test Process Handler Module orchestrates the flow of operations for managing and administering tests within the ETS system. The Get Test Details Module accepts a test ID and retrieves details such as test name, duration, subjects covered, and instructions. The Authentication System Module validates the test-taker's credentials before starting the test whereas the Check Test Eligibility Module validates the test-taker's eligibility to take the test based on criteria such as prerequisites or qualifications. The Test Block Status Module verifies the test-taker's account status and returns a void flag if there are no blocks or issues. The Calculate Available Time Module determines the available time for the test based on the test duration and any time restrictions. The Test Administration Module handles the test-taking interface, displaying questions, accepting answers, and managing the testing environment. The Test Submission Module receives the completed test from the test-taker and initiates the submission process. The Test Evaluation Module evaluates the submitted test, calculates scores, and generates result reports.The Result Processing Module processes test results, generates reports, and updates the candidate's profile with scores and performance metrics. Lastly, Print Test Report Module generates a detailed test report for the test-taker or institutions upon completion. Now design a structure chart based on the above scenario
A structure chart is a top-down diagram that breaks down the subsystems of the ETS management system into their respective components. Each module typically represents a process or a function in the system. Here's an outline of what the structure chart for the given scenario might look like:
+---------------------------+ | Test Process Handler | +--------------------------- | | +-------------------+ +-----------------------+ | Get Test Details | | Authentication System | +-------------------+ +-----------------------+ | +---------------------------+ +-------------------------+ | Test Block Status | | Check Test Eligibility | +---------------------------+ +-------------------------+ | | +----------------------+ +----------------+ | Calculate Available | | Test Administration | | Time | +---------------------------+ +---------------- | | +----------------------+ +----------------+ | Test Submission | | Test Evaluation | +----------------------+ ---------------------------+ | | +------------------------+ +---------------------------+ | Result Processing | | Test Report | +------------------------+ +---------------------------+
Let's down the structure:
Test Process Handler - Acts as the top-level process that coordinates with all other modules.
Get Test Details - Retrieves and sends back details related to a specific test when given the test ID.
Authentication System - Validates the of the person who is trying to take the test.
4 Check Test Eligibility - Works in conjunction with the Authentication System to make sure the candidate is qualified to the test.
Test Block Status - Checks if there are any blocks or restrictions on the candidate's account and notifies the Test Process Handler.
Calculate Available Time - Determines the total time available for a candidate to complete the test.
Test Administration - Manages the user interface for taking the test including displaying questions and accepting answers.
Test Submission - Handles the process once a test taker submits a completed test.
Test Evaluation - Evaluates responses, calculates scores, and compiles them into a report.
Result Processing - Processes the scores, candidate profiles and may contribute to analytics.
Print Test Report - Generates a report for the candidate or requesting institution.
Keep in mind that interface arrows (lines) between modules indicate data or control flow. For example, "Test Block Status" would data back to "Test Process Handler" indicating whether the user's account is clear of blocks. A real structure chart would be more detailed, with specific inputs and outputs listed for each module. Each module should only communicate with modules it directly on or that depend on it, following the principles of modularity and encapsulation.