Systems Development Life Cycle Quiz

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Questions and Answers

What is the main purpose of the PLANNING/INITIATION phase in the System Life Cycle?

  • To assess the project's budget and resources
  • To ensure the technical feasibility of the project
  • To define the project's objectives and assess problem-solving methods (correct)
  • To analyze the system's requirements

Which phase of the System Life Cycle is focused on determining the feasibility of a project?

  • EVALUATION
  • DESIGN
  • IMPLEMENTATION
  • ANALYSIS/FEASIBILITY (correct)

What is a key outcome of conducting a good outline in the System Life Cycle?

  • It catches problems before they affect development. (correct)
  • It simplifies the implementation phase.
  • It fully eliminates the risk of project delays.
  • It guarantees project success.

In the context of the System Life Cycle, what is meant by bridging the gap between project conception and actual development?

<p>Translating high-level goals into actionable ideas (D)</p> Signup and view all the answers

Which of the following is NOT a focus area in the ANALYSIS/FEASIBILITY phase of the System Life Cycle?

<p>User experience design (C)</p> Signup and view all the answers

What is the main purpose of the planning phase in the Systems Development Life Cycle?

<p>To define project scope, goals, and feasibility (B)</p> Signup and view all the answers

What is one key principle of user interface design?

<p>Accessibility (A)</p> Signup and view all the answers

Which technique is NOT commonly used for requirement gathering?

<p>Time Tracking (D)</p> Signup and view all the answers

Which of the following is NOT a key activity in the implementation phase?

<p>Develop marketing strategies (D)</p> Signup and view all the answers

In the system analysis phase, what is the primary focus?

<p>Understanding the current system and defining integration measures (A)</p> Signup and view all the answers

What tool can be used for visualizing data movement within a system?

<p>Data Flow Diagram (DFD) (A)</p> Signup and view all the answers

What outcome is expected from the system design phase?

<p>Detailed system design specification (D)</p> Signup and view all the answers

Which activity is typically part of the system design phase?

<p>Creating a database schema (B)</p> Signup and view all the answers

Which of the following is a component of project management?

<p>Scope management (A)</p> Signup and view all the answers

During which phase is system functionality and relevance ensured?

<p>Operation and Maintenance Phase (B)</p> Signup and view all the answers

Which of the following is NOT a key activity in the planning phase?

<p>Designing user interfaces (A)</p> Signup and view all the answers

Which term refers to a method of prioritizing tasks visually in a project?

<p>Gantt Chart (C)</p> Signup and view all the answers

What does the term 'system integration' primarily refer to in this context?

<p>Combining different systems into a unified whole (C)</p> Signup and view all the answers

Which of the following is considered a technique for requirement gathering?

<p>Observation (A)</p> Signup and view all the answers

Which characteristic is NOT associated with Data Flow Diagrams (DFDs)?

<p>Financial modeling (B)</p> Signup and view all the answers

What is the primary purpose of user acceptance testing?

<p>To confirm the system meets user requirements (D)</p> Signup and view all the answers

What is one of the main objectives during the feasibility assessment phase?

<p>Identifying potential problems (A)</p> Signup and view all the answers

Which of the following activities is part of the actual process of requirement gathering?

<p>Gathering information about system requirements (D)</p> Signup and view all the answers

In the design phase, who is primarily responsible for the visualization of systems?

<p>The systems architect (A)</p> Signup and view all the answers

What is the final output associated with the resource estimation and allocation process?

<p>Software Requirements Specification (SRS) Document (A)</p> Signup and view all the answers

What role does AI simulation tools play in the project process?

<p>Conducting pre-analysis for feasibility assessment (B)</p> Signup and view all the answers

What is an important aspect of setting expectations and goals in a project?

<p>Identifying client requirements clearly (A)</p> Signup and view all the answers

Which activity is executed after gathering the information about system and client requirements?

<p>Drawing a rough project plan (D)</p> Signup and view all the answers

What is the purpose of conducting a security risk assessment within the project process?

<p>To identify potential vulnerabilities in the system (B)</p> Signup and view all the answers

Which attribute of structured analysis focuses on representing systems visually?

<p>Graphical (D)</p> Signup and view all the answers

What is a significant benefit of using structured analysis in system design?

<p>Reduced development time (C)</p> Signup and view all the answers

What does a Data Flow Diagram (DFD) primarily represent?

<p>System requirements (A)</p> Signup and view all the answers

What is the primary implication of big data in system analysis and design?

<p>Analyzing structured and unstructured data (A)</p> Signup and view all the answers

Which statement correctly describes mobile-first design?

<p>It prioritizes mobile device optimization (C)</p> Signup and view all the answers

What characteristic distinguishes structured analysis as a hierarchical methodology?

<p>Utilizing a top-down approach (B)</p> Signup and view all the answers

How does artificial intelligence enhance system capabilities?

<p>Through enhanced decision-making (A)</p> Signup and view all the answers

Which attribute of structured analysis involves breaking down systems into self-contained components?

<p>Modular (A)</p> Signup and view all the answers

What is the primary purpose of Entity-Relationship Diagrams (ERD)?

<p>To show relationships between entities in a system. (D)</p> Signup and view all the answers

Which of the following is NOT one of the key activities associated with ERDs?

<p>Create marketing materials (D)</p> Signup and view all the answers

What type of diagram is primarily used in Unified Modeling Language (UML) for object-oriented analysis?

<p>Class Diagram (A)</p> Signup and view all the answers

Which diagram in UML provides a visual representation from the user's perspective?

<p>Use Case Diagram (B)</p> Signup and view all the answers

What does the Unified Modeling Language (UML) primarily provide?

<p>Notations for object-oriented analysis and design (B)</p> Signup and view all the answers

What is one of the uses of pseudocode in programming?

<p>To assist in human comprehension of algorithms (D)</p> Signup and view all the answers

Which of the following describes the function of conceptual design in database design?

<p>To provide an abstract view of the database requirements (A)</p> Signup and view all the answers

Which of the following is an example of a visual representation in UML?

<p>Class Diagram (D)</p> Signup and view all the answers

Flashcards

System Life Cycle

A conceptual model that outlines the stages involved in developing an information system project.

Planning/Initiation

The first phase of the SDLC, where project goals are defined, needs are assessed, and a feasibility study is conducted.

Analysis/Feasibility

The second phase of the SDLC, where the project's feasibility is determined by evaluating its technical, operational, and economic aspects.

Design

The third phase of the SDLC, where high-level plans and goals are transformed into actionable ideas and development steps.

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Development

The fourth phase of the SDLC, where the actual software is built based on the design specifications.

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Requirement Gathering

The process of gathering information about a system's current state, user needs, and business goals, and using this information to create a detailed plan for the new system.

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Requirements Analysis

The process of analyzing and evaluating the collected requirements, ensuring they are complete, consistent, and feasible.

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Software Requirements Specification (SRS)

A formal document that outlines the software's specifications, including its functionalities, features, and user interface.

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System Design

The stage where the system's architecture and design are created, outlining the system's structure, components, and how they will interact.

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Testing

The process of testing the developed software to ensure it meets the defined requirements and performs as expected.

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Deployment

The stage where the software is deployed to its intended environment, made available to users, and user training may be provided.

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Maintenance

The ongoing process of monitoring the software's performance, addressing issues, and making necessary updates and improvements.

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Planning Phase

The initial step in the SDLC, where the project's scope, goals, and feasibility are clearly defined. This phase sets the foundation for the entire project.

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Interviews

A technique used for gathering requirements through direct conversations with stakeholders. This allows for detailed understanding and clarification.

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Surveys

A method of collecting information from a large group of stakeholders using questionnaires or online surveys. This enables broad data gathering.

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Observation

Directly observing how users interact with the current system to identify areas for improvement. This provides a realistic view of system usage.

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Document Analysis

Analyzing existing documents, such as process flows or user manuals, to understand the system. This helps in understanding the current system's structure.

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Joint Development

A method of involving key stakeholders in the development process. This allows for collaborative decision-making and ensuring user needs are met.

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Prototyping

Creating a prototype or working model of the system. This allows for early testing and feedback from users.

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User Interface Design

The process of creating an interface that is visually appealing, easy to use, and accessible to all users.

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Feedback Principles in UI Design

Designing a system that provides users with clear feedback on their actions, helping them understand the system's state and make decisions.

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Consistency Principles in UI Design

Creating a consistent design for a system's elements, such as buttons, menus, and icons, to ensure a uniform and predictable user experience.

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Simplicity Principles in UI Design

The goal of making a system easy to understand and use, minimizing learning curves and effort for users.

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Accessibility Principles in UI Design

The ability to create a system that is usable by people with disabilities.

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Efficiency Principles in UI Design

Developing software that is efficient and performs well, using resources effectively and minimizing user wait times.

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Error Prevention Principles in UI Design

Creating a system that helps users prevent errors by providing clear instructions, warnings, and guidance.

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Implementation Phase

The practice of building, testing, and deploying a new information system, involving developing software components, conducting testing phases, and training end-users.

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Structured Analysis

A structured approach that uses graphical diagrams to represent system specifications, emphasizing a hierarchical and logical breakdown.

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Data Flow Diagram (DFD)

A graphical representation of a system's data flow, using specific symbols to depict processes, data stores, and external entities.

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Hierarchical approach in Structured Analysis

A method used for developing systems that focuses on a top-down approach, breaking down a system into smaller, manageable modules.

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Modular approach in Structured Analysis

In Structured Analysis, breaking a system down into self-contained modules that perform specific functions, making development and maintenance easier.

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Graphical approach in Structured Analysis

The use of visual representations like diagrams and charts to communicate system specifications effectively and clearly to all stakeholders.

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Logical representation in Structured Analysis

A way to represent the logical relationships between different components of a system, showing how information flows and is processed.

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AI and Machine Learning in Systems Analysis and Design

The ability of AI and machine learning systems to enhance system capabilities, improve decision-making, and automate repetitive tasks.

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Mobile-first Design in Systems Analysis and Design

Systems designed with a focus on mobile device compatibility, prioritizing user experience on smaller screens and touch interfaces.

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Entity-Relationship Diagram (ERD)

A flowchart that shows relationships between entities (people, objects, concepts) in a system. It's used in designing and debugging relational databases in software, business, education, and research.

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Corrective Maintenance

Key activities of corrective maintenance include monitoring system performance, fixing bugs and addressing issues, and implementing system updates and enhancements. This maintenance focuses on resolving immediate problems and improving the system's functionality.

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Adaptive Maintenance

Adaptive maintenance aims to adapt the system to changes in the environment, user needs, or business goals. It involves modifying the system to handle new requirements, integrate with new technologies, or improve user experience.

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Perfective Maintenance

Perfective maintenance focuses on improving the system's performance, reliability, and maintainability. This involves optimizing code, enhancing performance, and simplifying the system for easier maintenance. It's about making the system better and more efficient without adding new features.

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Preventive Maintenance

Preventive maintenance aims to prevent future issues by anticipating potential problems and taking steps to address them. It involves regular system checks, identifying potential vulnerabilities, and implementing preventive measures to avoid system failures.

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Unified Modeling Language (UML)

A standard notation for object-oriented analysis and design. It provides a set of symbols and diagrams to represent system structure and behavior.

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Pseudocode

Pseudocode uses structural rules of a normal programming language but is written for human interpretation instead of machine interpretation. It's a simplified representation of code, making it easier to understand and communicate the logic of a program.

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Use Case Diagram

A visual representation of system functionality from the user's perspective. It shows actors (users) interacting with the system and how they use different features.

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Study Notes

System Life Cycle

  • A conceptual model in project management (PM) detailing stages in information system (IS) development, from feasibility study to application maintenance.
  • Consists of seven phases (PADDTIM).

Planning/Initiation

  • Foundation for the entire SDLC.
  • Clearly defines project goals and assesses problem-solving using software solutions.
  • Includes problem identification, resource cost estimation, requirement gathering, and expectation setting to establish project objectives.

Analysis/Feasibility

  • Determines project feasibility (technical, operational, economic)
  • Translates high-level plans into actionable goals, bridging the gap between project conception and development.
  • Includes analyzing system requirements and assessing project feasibility, gathering information through market research, and evaluating prototypes.

Design

  • Focuses on visualizing the system's purpose, features, and functionalities.
  • Systems architect designs the system and creates initial software prototypes showcasing system functionality.

Development

  • The coding phase where teams write the actual code.
  • Involves writing code, debugging, and identifying errors within the project requirements.

Testing

  • A crucial stage to ensure the application meets specified requirements and functions correctly.
  • Includes bug detection, vulnerability testing, defect and error identification.
  • Types include: unit, integration, system, and acceptance testing.

Implementation

  • System deployment after user acceptance and testing.
  • The system support planned business operations
  • Objectives include successfully deploying the newly developed system and delivering a reliable, efficient, and user-friendly system.

Maintenance

  • Ongoing activities to ensure continuous system functionality.
  • Developers address issues, implementing updates and enhancements, and provide user support to improve the system.

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