Software Engineering MCQ SET-1
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In this page provide you basic software multiple choice question which help to many exam like Semester exam, Gate Exam, Railway , ISRO etc.
These MCQs Based On the SDLC of software Engineering
Q.1 What is the first step in the software development lifecycle (SDLC)?
System Design
Coding
System Testing
Preliminary Investigation and Analysis
Explanation
The process begins with an investigation to understand the problem and an analysis to define the project’s feasibility and scope.
Q.2 Which of the following is involved in the system planning and designing phase of the SDLC?
Parallel run
Sizing
Specification freeze
All of the above
Explanation
Planning and design involve determining hardware sizing, finalizing (freezing) specifications, and planning implementation strategies like parallel runs.
Q.3 What does the acronym RAD stand for?
Rapid Application Document
Rapid Application Development
Relative Application Development
None of these
Explanation
RAD (Rapid Application Development) is an adaptive software development model based on prototyping and iterative testing.
Q.4 What is a major drawback or consideration of the RAD model?
It requires highly skilled developers/designers
It necessitates customer feedback
It focuses on component reusability
Both A & C
Explanation
RAD requires expert designers to build prototypes quickly and relies heavily on modular, reusable components to meet tight deadlines.
Q.5 What is a major drawback of the Spiral Model?
Higher amount of risk analysis
Doesn't work well for smaller projects
It increases the component reusability
None of these
Explanation
The Spiral model is complex and expensive due to continuous risk assessment iterations, making it unsuitable for small, low-budget projects.
Q.6 On what basis is a specific SDLC model selected for a project?
Requirements clarity
Project type & associated risk
Development team & user involvement
All of the above
Explanation
Model selection depends on the stability of requirements, the level of risk, and how much interaction is needed with the users.
Q.7 Which of the following statements regarding component reusability is correct?
The prototyping model facilitates reusability
RAD Model facilitates reusability
Both RAD & Prototyping facilitate reusability
All of the above
Explanation
Iterative models like RAD and Prototyping encourage the use of existing components to speed up the development process.
Q.8 Which models do NOT require all requirements to be defined at the very beginning of the lifecycle?
Spiral & Prototyping
RAD & Waterfall
Waterfall only
All of the above
Explanation
The Spiral and Prototyping models are evolutionary, allowing requirements to be refined and added during various stages of development.
Q.9 Which of the following models is the least suitable for accommodating changes during development?
Spiral Model
Prototyping Model
Waterfall Model
None of these
Explanation
The Waterfall model is linear and rigid; once a phase is completed, it is very difficult and expensive to go back and change requirements.
Q.10 Which of the following is NOT typically considered a primary phase within the Prototyping Model?
Quick Design
Coding
Prototype Refinement
Customer Evaluation
Explanation
Prototyping focuses on ‘Building’ the prototype rather than the final full-scale ‘Coding’ phase, which happens after the prototype is approved.
Q.11 How many traditional phases are defined in the RAD Model?
5 phases
3 phases
6 phases
None of these
Explanation
The standard RAD model includes: Business modeling, Data modeling, Process modeling, Application generation, and Testing/Turnover.
Q.12 Which model is best selected when the user is expected to be involved in all phases of the SDLC?
Waterfall Model
Prototyping Model
RAD Model
None of these
Explanation
The RAD model relies heavily on constant user feedback and active involvement to ensure rapid, iterative development stays on track.
Q.13 Which of the following are valid steps within the SDLC framework?
Requirement Gathering
System Analysis
Software Design
All of the above
Explanation
A standard SDLC framework includes gathering requirements, analyzing systems, designing software, coding, testing, and maintenance.
Q.14 What is generally considered the very first step in the SDLC framework?
Requirement Gathering
Feasibility Study
Communication
All of the above
Explanation
Communication with the client is the starting point to establish the project’s vision before any technical gathering or analysis begins.
Q.15 The Waterfall model is specifically NOT suitable for which type of projects?
Small projects
Complex projects
Projects requiring frequent changes
None of these
Explanation
Because Waterfall is a sequential process, it cannot easily accommodate changes once the project has progressed to later stages.
Q.16 What is the process of gathering, analyzing, and documenting client requirements called?
Feasibility Study
System Requirements Specification
Requirement Engineering
None of these
Explanation
The System Requirements Specification (SRS) is the formal document and process that details exactly what the software is expected to do.
Q.17 What is the primary goal of Requirement Engineering?
Feasibility Study
To develop the System Requirements Specification (SRS)
Coding and Debugging
None of these
Explanation
Requirement Engineering aims to produce a clear, descriptive, and sophisticated SRS document to guide the development team.
Q.18 In which process do developers discuss expectations directly with clients and end-users?
Feasibility Study
System Analysis
Requirements gathering
None of these
Explanation
Requirements gathering is the interactive phase where stakeholders and developers communicate to identify the software’s goals.
Q.19 Who originally proposed the Spiral model of software development?
Barry Boehm
S. Royce
Roger Pressman
None of these
Explanation
Barry Boehm introduced the Spiral Model in 1986, which focuses on risk-driven development in large-scale systems.
Q.20 Which of the following is also known as the Verification and Validation Model?
V-Model
Waterfall Model
Prototype Model
None of these
Explanation
The V-Model is based on the association of a testing phase for each corresponding development stage, emphasizing verification and validation.