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University of Texas, Dallas *

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6308

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Computer Science

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Jan 9, 2024

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pdf

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3

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9/22/23, 9:38 PM Content https://elearning.utdallas.edu/ultra/courses/_342100_1/cl/outline?legacyUrl=~2Fwebapps~2Fblackboard~2Fcontent~2FlaunchAssessment.jsp%3Fcourse_id%3… 1/3 Take Test: Homework 2 Test Information Description Instructions Timed Test This test has a time limit of 1 hour and 30 minutes.This test will save and submit automatically when the time expires. Warnings appear when half the time , 5 minutes , 1 minute , and 30 seconds remain. Multiple Attempts This test allows 2 attempts. This is attempt number 1. Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Your answers are saved automatically. a. b. c. d. QUESTION 1 What is the purpose of user documentation in system development? To describe the system from the user's perspective and how to operate it. To define the physical system design. To prepare the system for implementation. To estimate the return on investment (ROI). 1 points Saved Saved a. b. c. d. QUESTION 2 What is a flowchart? A table showing logical conditions. A diagrammatic representation of steps in a process. A chart displaying decision trees. A chart displaying data flows. 1 points Saved Saved a. b. c. d. QUESTION 3 During which phase of the system development life cycle is the system proposal prepared? Feasibility study. Detailed system study. System analysis. Preliminary system study. 1 points Save Answer a. b. c. d. QUESTION 4 Which of the following is NOT a type of flowchart? Logic flowchart. Run flowchart. System flowchart. Program flowchart. 1 points Save Answer a. b. c. d. QUESTION 5 Which type of run involves executing both the old and new systems simultaneously for a defined period? Direct Changeover. Preliminary run. Pilot run. Parallel run. 1 points Save Answer a. QUESTION 6 Which phase involves converting the program specifications into computer instructions? Preliminary or General Design 1 points Save Answer Question Completion Status: Remaining Time: 1 hour, 28 minutes, 57 seconds.
9/22/23, 9:38 PM Content https://elearning.utdallas.edu/ultra/courses/_342100_1/cl/outline?legacyUrl=~2Fwebapps~2Fblackboard~2Fcontent~2FlaunchAssessment.jsp%3Fcourse_id%3… 2/3 a. b. c. d. Preliminary or General Design. Structured or Detailed Design. Testing. Coding. a. b. c. d. QUESTION 7 What activity is necessary to eliminate errors in a system during its working life? Maintenance Implementation Preliminary study Testing 1 points Save Answer a. b. c. d. QUESTION 8 Which phase of the system development life cycle involves a detailed investigation of the system's operations and relationships? Preliminary system study. Detailed system study. Feasibility study. System analysis. 1 points Save Answer a. b. c. d. QUESTION 9 What is the purpose of the testing phase in system development? To identify and remove bugs or errors. To implement the system into operation. To document the system design. To conduct user training. 1 points Save Answer a. b. c. d. QUESTION 10 What is the primary objective of system analysis and design (SAD)? To perform scientific research. To manage organizational finances. To develop hardware components. To solve complex organizational problems. 1 points Save Answer a. b. c. d. QUESTION 11 In a flowchart, what do arrows represent? Decision points. Input/output operations. Data flows. Process steps. 1 points Save Answer a. b. c. d. QUESTION 12 What does DFD stand for? Decision Flow Diagram. Data Flow Decision. Data Flow Diagram. Decision and Flow Design. 1 points Save Answer a. b. c. d. QUESTION 13 What is represented by an open-ended box in a DFD? Data stores. External entities. Processes. Data flows. 1 points Save Answer a. b. c. d. QUESTION 14 Which phase involves converting the logical system design into physical system design? Preliminary or General Design. Testing. Structured or Detailed Design. Coding. 1 points Save Answer QUESTION 15 1 points Save Answer Remaining Time: 1 hour, 28 minutes, 57 seconds.
9/22/23, 9:38 PM Content https://elearning.utdallas.edu/ultra/courses/_342100_1/cl/outline?legacyUrl=~2Fwebapps~2Fblackboard~2Fcontent~2FlaunchAssessment.jsp%3Fcourse_id%3… 3/3 a. b. c. d. What is the purpose of a feasibility study in system development? To test the system in real-world scenarios. To estimate the return on investment (ROI). To develop hardware components. To design the user interface. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). QUESTION 16 Visit the Web sites of a few leading information systems consulting firms. Try to find information about their approaches to developing systems. Are their SDLCs described? Do the sites mention any tools, models, or techniques? 5 points Save Answer Remaining Time: 1 hour, 28 minutes, 57 seconds.
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