Software Development Roles and Responsibilities
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Software Development Roles and Responsibilities

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Questions and Answers

What is the primary focus of the Software Development Life Cycle (SDLC)?

  • Continuous maintenance and user support
  • Maximizing software costs and expenses
  • User experience enhancements during testing
  • Clearly defined processes for software creation (correct)
  • Which of the following elements is NOT part of the object model in software development?

  • Hierarchy
  • Dependency (correct)
  • Encapsulation
  • Abstraction
  • What does encapsulation achieve in object-oriented design?

  • Simplifies code through a single point of access
  • Safeguards the internal state from unintended interference (correct)
  • Promotes unrestricted access to an object's components
  • Eliminates all data attributes
  • What is modularization intended to reduce in software development?

    <p>Software cost through independent module design</p> Signup and view all the answers

    In the context of software objects, what does 'abstraction' emphasize?

    <p>Essential characteristics that distinguish an object</p> Signup and view all the answers

    Which of the following describes hierarchy in a complex system?

    <p>A ranking or ordering of abstractions</p> Signup and view all the answers

    What role do development managers play in the software development process?

    <p>They oversee the entire organization developing the software.</p> Signup and view all the answers

    What is the purpose of requirement analysis in the SDLC?

    <p>To gather and clarify stakeholder needs</p> Signup and view all the answers

    Study Notes

    Key Roles in Software Development

    • Users: Individuals who utilize software, aiming for enjoyment or recognition in their tasks.
    • Customers (Clients): Decision-makers for software procurement, who may or may not be users themselves.
    • Software Developers: Professionals responsible for creating and maintaining software, often titled software engineers.
    • Development Managers: Leaders of the software development organization, overseeing project execution.

    Software Development Life Cycle (SDLC)

    • Definition: A structured methodology encompassing processes for high-quality software creation.
    • Phases of SDLC:
      • Requirement analysis: Identifying needs and expectations.
      • Planning: Developing a roadmap for project execution.
      • Software design: Architectural design to guide development.
      • Software development: Actual coding of the software.
      • Testing: Validating functionality and reliability.
      • Deployment/Maintenance: Releasing the software and ensuring ongoing support.

    Object-Oriented Conceptual Framework

    • Object Model Elements:
      • Abstraction: Distills an object's essential characteristics, differentiating it from other objects, focusing on external behavior rather than implementation.
      • Encapsulation: Bundles data and methods into a single unit (class), while restricting access to certain components to protect the object's internal state.
      • Modularity: Divides a program into separate, manageable modules that can be developed independently but still interact with each other, reducing overall costs.
      • Hierarchy: Establishes a ranking system for abstractions, primarily reflected in class structures (is a hierarchy) and object structures (part of hierarchy).

    Hierarchy in Object Models

    • Single Inheritance: A hierarchy where a subclass inherits from one superclass.
    • Multiple Inheritance: A hierarchy where a subclass inherits from multiple superclasses, potentially leading to naming conflicts or structural ambiguities.
    • Inheritance Lattice: A diamond-shaped inheritance structure that can arise from repeated inheritance, questioning whether derived classes have one or multiple copies of a shared superclass's attributes.

    Aggregation

    • Represents a part-of relationship, illustrating how components fit into the overall system hierarchy.

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    Description

    Learn about the various roles involved in software development, including users, customers, developers, and managers. Each group has distinct goals and responsibilities that contribute to the overall success of a software project. This quiz will test your understanding of these roles and their importance in the software development lifecycle.

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