Software Development: An Introduction

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Questions and Answers

Which of the following best describes software development?

  • The process of only maintaining existing software.
  • The process of designing, creating, and testing software.
  • The process of only creating and testing software.
  • The process of designing, creating, testing, and maintaining any software. (correct)

What is the role of SDLC in software development?

  • Accelerating the development process regardless of cost.
  • Managing project finances and resource allocation.
  • Outlining the plan for each stage, it efficiently delivers the software at a low cost according to user requirements. (correct)
  • Focusing solely on the testing and debugging phases.

What is the primary purpose of the 'Requirements Gathering' phase in the SDLC?

  • To test the software and identify any bugs or defects.
  • To write the actual code for the software application.
  • To collect and document the needs and expectations from stakeholders. (correct)
  • To design the user interface and overall system architecture.

Which document serves as the main point of reference for the software development team, detailing functional and non-functional requirements?

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

In which SDLC phase are UML diagrams and wireframes most commonly used?

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

During the 'Implementation' phase of the SDLC, what is the primary activity?

<p>Writing and coding the software (D)</p> Signup and view all the answers

Which type of testing ensures that the software meets the defined user requirements?

<p>User Acceptance Testing (UAT) (A)</p> Signup and view all the answers

What is a key deliverable of the 'Deployment' phase in the SDLC?

<p>Deployment Plan. (D)</p> Signup and view all the answers

What is the main goal of the 'Maintenance' phase in the SDLC?

<p>Ongoing support and enhancements to the system (D)</p> Signup and view all the answers

In the context of SDLC, what does 'CI/CD' stand for?

<p>Continuous Integration/Continuous Deployment (A)</p> Signup and view all the answers

Which of the following roles is typically NOT involved in the 'Requirements Gathering' phase?

<p>UI/UX Designer (B)</p> Signup and view all the answers

What is the purpose of using Use Case Diagrams in software development?

<p>To illustrate functional requirements from a user's perspective (D)</p> Signup and view all the answers

Which of the following is a characteristic of 'System Software'?

<p>Manages hardware and provides services for computer programs. (C)</p> Signup and view all the answers

Which of the following exemplify 'Application Software'?

<p>Microsoft Office (Word, Excel), Adobe Photoshop (C)</p> Signup and view all the answers

What is the primary purpose of 'Embedded Software'?

<p>To operate hardware or a specific system (D)</p> Signup and view all the answers

Which type of software is specifically designed to facilitate teamwork and collaboration among individuals?

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

Which of the following statements best describes the Agile methodology?

<p>It is mainly designed to adapt to changing requests quickly. (A)</p> Signup and view all the answers

What is a key characteristic of the Waterfall methodology?

<p>Goals and outcomes established from the beginning (A)</p> Signup and view all the answers

Which skill is considered a 'soft skill' for software developers?

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

Which skill is considered a 'technical skill' for software developers?

<p>Understanding of data structures (A)</p> Signup and view all the answers

Which of the following job roles is most likely to be responsible for continuous integration and continuous deployment (CI/CD)?

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

Which testing type involves testing individual components in isolation?

<p>Unit Testing (C)</p> Signup and view all the answers

A company is developing a new mobile app and wants to ensure it functions correctly with various third-party services. Which type of testing is most suitable?

<p>Integration Testing (C)</p> Signup and view all the answers

Which of the following best describes the term 'deliverable' in the context of SDLC?

<p>A tangible outcome or result produced in each SDLC phase (C)</p> Signup and view all the answers

Who are the typical job roles involved in Step 2 of SDLC- 'System design'?

<p>System Architect, UI/UX Designer, Database Designer (C)</p> Signup and view all the answers

Which of the options are Types of Software?

<p>All of the above (D)</p> Signup and view all the answers

Following are the examples of Embedded Software, except?

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

Definition: Collecting requirements from stakeholders. Which step is defined?

<p>Requirements Gathering (C)</p> Signup and view all the answers

What is the Definition of Step 2 of SDLC i.e System Design?

<p>Creating a blueprint for the system (D)</p> Signup and view all the answers

Arrange SDLC in right order. 1. Design, 2. Testing, 3. Requirement Gathering, 4. Deployment, 5. Implementation, 6. Maintenance

<p>3, 1, 5, 2, 4, 6 (B)</p> Signup and view all the answers

Why is SRS important?

<p>All of the above (D)</p> Signup and view all the answers

What is the key difference between High Level Design(HLD) and Low Level Design(LLD)?

<p>All of the above (D)</p> Signup and view all the answers

Pick the right job roles for the testing team.

<p>QA Engineer, Test Analyst, Test Manager (D)</p> Signup and view all the answers

Which is an example of the soft skills required for software developers?

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

Flashcards

Software Development

The process of designing, creating, testing, and maintaining any software.

System Software

Software that manages computer hardware and provides services for computer programs.

Application Software

Software designed to perform specific tasks for end-users.

Embedded Software

Specialized computer software designed to operate hardware or a specific system.

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Collaboration Software

A type of software designed to help individuals and teams work together more effectively.

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Software Development Life Cycle (SDLC)

A structured approach for planning, developing, testing, and deploying software projects.

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Requirements Gathering

Collecting requirements from stakeholders to define what the software should do.

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Software Requirement Specification (SRS)

Document that includes all key requirements for the software.

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Job roles in System Design

System Architect, UI/UX Designer, Database Designer

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System Design

Creating a blueprint for the system.

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Use Case Diagram

A diagram that visually represents how users interact with a system.

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Implementation Phase

Actual coding and implementation of the design.

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Software Testing

Verifying that the system meets the requirements.

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Deployment Phase

Releasing the system to the production environment.

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Maintenance Phase

Ongoing support and enhancement of the system.

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Characteristics of the Waterfall methodology

The high goals are established from the beginning

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Characteristics of the Agile methodology

A flexible methodology designed to adapt to changing requests quickly

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Agile

An iterative approach to software development

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Skills for Software Developer

Technical Skills, Programming languages, problem-solving abilities, understanding of algorithms and data structures.

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Study Notes

  • Introduction to Software Development Overview

Software Development Definition

  • It is the process of designing, creating, testing, and maintaining software.
  • Software development follows a step-by-step procedure called the Software Development Life Cycle (SDLC).

Agenda

  • Topics to be covered include:
    • What is Software Development?
    • Types of Software.
    • Software Development Life Cycle (SDLC).
    • Software Development Methodologies.
    • Skills Required for Software Development.
  • It is important to understand the ultimate aim of learning a programming language and the types of software used daily.

Types of Software

  • System Software: Manages hardware and provides services for computer programs. Includes Windows, macOS, and Linux.
  • Application Software: Designed to perform specific tasks for end-users. Includes Microsoft Office and Adobe Photoshop.
  • Embedded Software: Specialized software designed to operate hardware or specific systems. Examples include Firmware in TVs, pacemakers and ABS.
  • Collaboration Software: Helps individuals and teams work together effectively, like Zoom, Teams, and Google Workspace.
  • Software can be both a product and a vehicle for delivering other products.

SDLC Overview

  • SDLC outlines the plan for each stage to efficiently deliver software at a low cost within a given time frame.
  • The SDLC process flows through requirement gathering, design, implementation, testing, deployment, and maintenance.

Step 1: Requirements Gathering

  • It involves collecting requirements from stakeholders.
  • Key job roles include business analysts, project managers, and stakeholders.
  • Methods include interviews, surveys, and use cases.
  • Deliverables include software requirement specification documents and use case diagrams.

The Software Requirement Specification (SRS)

  • It includes information about functional and non-functional requirements for a given piece of software.
  • It serves as the main reference point for the software development team and all stakeholders.

Step 2: System Design

  • Involves creating a blueprint for the system.
  • Key roles include system architects, UI/UX designers, and database designers.
  • Methodologies include UML diagrams, wireframes, and prototyping.
  • Deliverables include design documents, system architecture diagrams, and database schemas.
  • Use Case Diagrams visually represent how users interact with a system and serve as a blueprint for understanding its functional requirements from a user's perspective.
  • High Level Design and Low Level Design diagrams are used to represent the system design.

Step 3: Implementation

  • It involves actual coding and implementation of the design.
  • Key roles include software developers, frontend and backend developers, and database administrators.
  • Involves coding in languages like Java and Python, with the use of compilers, interpreters, and debuggers.
  • Deliverables include source code and technical documentation.

Step 4: Testing

  • Verifies that the system meets the requirements.
  • Key roles include QA engineers, test analysts, test managers, and users.
  • Unit testing tests individual components.
  • Integration testing tests combined parts.
  • User Acceptance Testing (UAT) ensures the app meets user requirements.
  • Deliverables include test plans, test cases, and bug reports.

Step 5: Deployment

  • It involves releasing the system to the production environment.
  • Key roles include DevOps engineers, system administrators, and release managers.
  • Methodologies include Continuous Integration/Continuous Deployment (CI/CD).
  • Deliverables include deployment plans, release notes, and installation guides.

Step 6: Maintenance

  • It provides ongoing support and enhancements to the system.
  • Maintenance engineers, support analysts, and system administrators are key roles.
  • Involves issue tracking, patch management, and system monitoring.
  • Deliverables include maintenance reports, user manuals, and update patches.

Methodologies: Traditional vs. Modern

  • Waterfall Method: A traditional approach where goals and outcomes are established from the beginning, with low flexibility. It requires completing deliverables to progress to the next phase.
  • Agile Methodology: A modern approach mainly designed to adapt to changing requests quickly. It offers high flexibility and requires team initiative with short-term deadlines.

Skills for a Software Developer

  • A software developer must possess programming languages, problem-solving abilities, and understanding of algorithms and data structures.
  • Soft Skills: Communication, teamwork, adaptability, and time management.

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