Agile Software Development Overview

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Questions and Answers

Which development model emphasizes flexibility and customer collaboration?

  • Spiral Model
  • Agile Model (correct)
  • DevOps
  • Waterfall Model

What is the primary purpose of Continuous Integration/Continuous Deployment (CI/CD) tools?

  • Manage project documentation
  • Facilitate systematic software testing
  • Enhance software design capabilities
  • Shorten development cycles and deliver updates quickly (correct)

Which programming language is primarily associated with web development?

  • JavaScript (correct)
  • Java
  • Python
  • C++

What type of software development tool is Git classified as?

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

Which language is commonly used for AI and machine learning applications?

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

What is the primary focus of software engineering compared to computer science?

<p>Systematic methodologies for software development (A)</p> Signup and view all the answers

Which stage of the Software Development Life Cycle (SDLC) involves writing the actual code?

<p>Implementation (Coding) (C)</p> Signup and view all the answers

Which type of software includes utility programs that help hardware function correctly?

<p>System Software (B)</p> Signup and view all the answers

Which aspect of software development ensures the software is resilient to cyber threats?

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

What characteristic of software indicates that it cannot be physically measured?

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

What is a key principle outlined in the Software Engineering Code of Ethics?

<p>Acting in the public's best interest (A)</p> Signup and view all the answers

Why is maintenance a significant concern in software development?

<p>It involves updating software to fix bugs and changing requirements. (B)</p> Signup and view all the answers

Which of the following is a primary goal of software engineering?

<p>Ensuring software can be easily modified and updated (A)</p> Signup and view all the answers

What does continuous learning in professionalism entail for software engineers?

<p>Keeping up with technological advancements (C)</p> Signup and view all the answers

What does the characteristic of 'non-wear and tear' in software imply?

<p>Software does not suffer from physical wear and tear. (A)</p> Signup and view all the answers

What is the role of professional certification for software engineers?

<p>Establishes a benchmark for skills and knowledge (D)</p> Signup and view all the answers

Which challenge in software development relates to ensuring protection against threats?

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

What is the purpose of the Testing phase in the SDLC?

<p>To ensure software works as intended by identifying and fixing bugs (C)</p> Signup and view all the answers

How can software engineers demonstrate accountability?

<p>By taking responsibility for their code and its impacts (B)</p> Signup and view all the answers

What is the purpose of applying engineering principles in software engineering?

<p>To ensure a structured and reliable development process (A)</p> Signup and view all the answers

What strategy is used to create software that efficiently accommodates a growing user base?

<p>Implementing scalability in design (A)</p> Signup and view all the answers

Flashcards

Reliable Software

Software that works correctly according to its specifications.

Usable Software

Software that is easy to use and understand.

Secure Software

Software designed to resist cyberattacks and protect sensitive data.

Software Development Life Cycle (SDLC)

A structured framework outlining the steps involved in software development.

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Requirement Analysis

The initial stage of SDLC where the software's purpose and features are identified.

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System Design

Creating a plan or blueprint outlining the software's structure and components.

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Implementation (Coding)

The process of writing the actual code for the software.

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Software Engineering

The field that focuses on applying systematic methods to develop software.

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Waterfall Model

A sequential software development approach where each phase is completed before moving to the next.

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Agile Model

An iterative and flexible software development approach focused on customer collaboration and frequent releases.

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DevOps

A software development process that combines development and operations to deliver software updates quickly and efficiently.

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Version Control Systems (VCS)

Tools that help manage and track changes to software code, making collaboration easier.

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Programming Languages

Programming languages are used to write instructions for computers to understand. They are used to build a wide variety of software, each language having its own strengths.

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What is software?

Software refers to the instructions, data, or programs used to operate computers and execute specific tasks. This non-tangible element works together with the physical hardware.

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Types of software?

System software, like operating systems (Windows, Linux) and device drivers, provides the foundation for software to run. Application software, like word processors or games, serves users directly.

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Characteristics of software?

Intangibility means you can't touch it. Complexity involves millions of intricate lines of code. Changeability allows easy modification, making it adaptable. Invisibility refers to the user only seeing the results, not the processes. Software doesn't wear out like hardware, but can become outdated.

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Software development challenges?

Software development is expensive due to complexity. Maintaining it after release is challenging, as bugs, updates, and changing demands arise. Scalability, ensuring efficient performance with more users, is tricky. Security is vital in a world of evolving cyber threats.

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What is software engineering?

Software engineering involves the systematic application of engineering principles to the development, operation, and maintenance of software, combining computer science, engineering, project management, and quality control for structured, reliable, and scalable software.

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Goals of software engineering?

Key goals of software engineering include efficiency, creating software that uses resources wisely, and maintainability, ensuring it can be easily updated as needs change.

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Study Notes

Agile Software Development

  • Software is a set of instructions, data, or programs used to operate computers and execute tasks. It is non-tangible, unlike hardware.

  • Software is categorized into two types:

    • System Software: Includes operating systems (e.g., Windows, Linux), device drivers, and utilities. It facilitates hardware functionality and provides a platform for other software.
    • Application Software: Includes programs for end-users (e.g., word processors, web browsers, games), designed for specific tasks.

  • Characteristics of Software:

    • Intangibility: Cannot be physically touched or measured.
    • Complexity: Highly complex with millions of lines of code and interconnected modules.

  • Challenges in Software Development:

    • High Development Costs: Complex systems require significant effort, time, and resources.
    • Maintenance: Ongoing maintenance (e.g., bug fixes, updates) is considerable post-release.
    • Scalability: Designing software to efficiently handle growing user bases.
    • Security: Protecting software against increasing cyber threats.

  • Software Engineering Overview:

    • Systematic application of engineering principles to software development, operation, and maintenance.
    • Combines computer science, engineering, project management, and quality control to ensure reliable and scalable software.

  • Key Goals of Software Engineering:

    • Efficiency: Optimizing software to effectively utilize system resources.

  • Software Engineering Attributes

    • Changeability: Software is easily modified compared to hardware.
    • Invisibility: Software processes aren't visible to users, only output is seen.
    • Non-wear and tear: Software does not wear out like hardware, but can become outdated.

  • Software Development Life Cycle (SDLC):

    • Framework defining stages involved in software development.
    • Stages include Requirement Analysis, System Design, Implementation, Testing, Deployment, and Maintenance.

  • Software Engineering vs Computer Science: Both overlap, but software engineering focuses on application of methodologies, while computer science focuses on theoretical foundations.

  • Professionalism in Software Engineering:

    • Importance: Ethical, responsible, and quality-driven development for impact and user well-being.
    • Adhering to ethical guidelines: Following industry standards and best practices.
    • Continuous learning
    • Accountability: Taking responsibility for code.

  • Software Engineering Code of Ethics:

    • Prioritize public interest (safety, privacy).
    • Ensure high product quality.
    • Maintain expertise and competence.
    • Respect confidentiality.

  • Role of Professional Certification:

    • IEEE Certified Software Development Professional (CSDP) enhances credibility and showcases expertise.

  • Software Development:

    • Process of designing, coding, testing, and maintaining software.
    • Involves both creative and technical skills.

  • Software Development Methodologies:

    • Waterfall: Linear, sequential approach.
    • Agile: Iterative and incremental, focusing on flexibility and collaboration.
    • DevOps: Combining software development and IT operations for quicker updates.

  • Software Development Tools:

    • Version Control Systems
    • Integrated Development Environments (IDEs)
    • Continuous Integration/Continuous Deployment (CI/CD) tools

  • Programming Languages:

    • Python (AI, machine learning, web)
    • Java (enterprise, Android)
    • JavaScript (web)
    • C++ (systems, games, real-time)

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