The IIT Madras BS Software Engineering (Software Engineering) Quiz 2 paper sat on 2 Apr 2023, in the January 2023 term, set QPE2: 22 questions for 100 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
A software company has developed a mobile app that can be used to book hotel rooms. The app is available to download and install. The company provides upgrades for the app from time to time. What phase of the software development process is the app in right now?
Requirements gathering phase
Design phase
Development phase
Testing phase
Maintenance phase
Correct answer
Maintenance phase
In a software development process, all the phases take place sequentially, and the users get their first view of the developed software during or after the testing phase. Identify the type of software development model followed here.
Waterfall model
Prototype model
Spiral model
Agile model
Correct answer
Waterfall model
Consider an online flower store where users can place an order to send flower bouquets. The customers can select from a range of bouquets and place an order. Once the order is placed the store manager makes a phone call to the courier service provider to pick up the ordered item from the physical store and arrange the delivery.
Identify the most appropriate user type for the courier service provider
Primary users
Secondary users
Tertiary users
Not a valid user
Correct answer
Tertiary users
An organisation has planned to develop an online pet store app that would allow its customers to buy and sell different pet animals on this common platform. The organisation goes through several documents regarding pet shop rules and the duties and obligations of the pet shop owners as part of their requirements gathering.
What kind of requirement-gathering technique is used in the given scenario?
Interviews
Focus groups
Naturalistic observations
Documentation
Correct answer
Documentation
Consider that for a software project, the requirements are collected as user stories. After the creation of the user stories, it was found that the implementation of some of the user stories was not possible with a single agile iteration. Therefore, those user stories are subdivided into smaller user stories. This process makes the user stories _________.
Fill in the blank with the appropriate option.
Measurable
Achievable
Relevant
Timeboxed
Correct answer
Achievable
Consider an image processing software that can enhance an old image and can also convert a black-and-white image to a coloured one.
After installing the software, it prompts its user to take a tour that guides the user in a step-by-step way to understand how to use the software.
Which of the following usability goals is fulfilled by the software discussed above?
Effectiveness
Efficiency
Safe to use
Learnability
Memorability
Correct answer
Learnability
Consider a food delivery app provided by a renowned chain of restaurants. The customers can explore the menu without signing up for the app. However, when he or she finally attempts to place the order, he or she needs to sign in to the app.
Which of the following heuristics of UI evaluation is fulfilled in this case?
Consistency
Freedom
Prevent errors
Recognition over recall
Correct answer
Freedom
What is product backlog from the agile perspective?
Short, time-boxed period when a scrum team works to complete a set amountof work.
Prioritized list of tasks for the development team, derived from the user storiesand requirements.
List of user stories/tasks, that went well or that didn't go well.
List of tasks completed by the development team, and the tasks moved fromthe To-Do/In-Progress to Completed.
Correct answer
Prioritized list of tasks for the development team, derived from the user storiesand requirements.
Which of the following UML view or diagrams presents the sequence of messages exchanged between different parts of the system?
Activity diagram
State machine view
Activity view
Interaction view
Correct answer
Interaction view
Identify the type of software metrics that measure the quality of the code using the parameters like LOC, LLOC, SLOC, etc.
Cyclomatic complexity
Raw metrics
Halstead’s metrics
Code smell
Correct answer
Raw metrics
Which of the following statement(s) is/are true about Storyboards?
Storyboards are prototypes that are in the form of a hand-drawn comicfeaturing the setting, sequence, and satisfaction.
Storyboards are presented on multiple papers as hand-drawn UIs of differentscreens
Storyboards emphasise on how the interface accomplishes a task; however,avoid commitment to a particular user interface
Storyboards are web apps created using fake data
Correct answers
Storyboards are prototypes that are in the form of a hand-drawn comicfeaturing the setting, sequence, and satisfaction.
Storyboards emphasise on how the interface accomplishes a task; however,avoid commitment to a particular user interface
A software company is developing a website for a school that can be used by the teachers to upload their notes and video lectures from time to time so that students can access them from anywhere. However, the team from the software company responsible for gathering requirements was not able to capture the actual requirements of the school. As a result, the development team created some incorrect functions that did not meet the needs of the client.
Based on the above data, answer the given subquestions.
Identify the type of risk associated with the website development project.
Technical risk
Project risks
Business risk
None of these
Correct answer
Technical risk
A software company is developing a website for a school that can be used by the teachers to upload their notes and video lectures from time to time so that students can access them from anywhere. However, the team from the software company responsible for gathering requirements was not able to capture the actual requirements of the school. As a result, the development team created some incorrect functions that did not meet the needs of the client.
Based on the above data, answer the given subquestions.
302.14 person months
855 person months
904.28 person months
495.51 person months
Correct answer
495.51 person months
Consider that for a given project, the probability of schedule slippage is 30% and the impact due to schedule slippage is measured as 3. What will be the risk associated with schedule slippage for the given project?
1%
0.9%
10%
9%
Correct answer
0.9%
Consider the class diagram given below.
Consider the class diagram given below.
Association
Composition
Inheritance
Dependency
Correct answer
Composition
Sequential cohesion
Communicational cohesion
Procedural cohesion
Coincidental cohesion
Correct answer
Sequential cohesion
A set of modules is said to have high cohesion and low coupling, which implies _____________.
The functions in each module are performing varied operations, and a lot ofdata interchanged between the modules.
The functions in each module are together performing a single operation, anda lot of data is interchanged between the modules.
The functions in each module are together performing a single operation, andthe degree of interaction between the modules is very low.
None of these
Correct answer
The functions in each module are together performing a single operation, andthe degree of interaction between the modules is very low.
Match the following from the perspective of debugging.
Match the following from the perspective of debugging.
1-B, 2-C, 3-D, 4-A
1-C, 2-A, 3-D, 4-B
1-C, 2-B, 3-D, 4-A
1-B, 2-C, 3-A, 4-D
Correct answer
1-C, 2-A, 3-D, 4-B
During debugging a system, the developer finds out an event that triggers an incorrect behaviour. He follows the data control flow ahead until the incorrect state is reached.
Which of the following debugging strategies was chosen by the developer?
Input manipulation
Backwards strategy
Forwards strategy
Blackbox debugging
Correct answer
Forwards strategy
Consider a data processing software that is made of several data filters. The filters are connected one after another. Each filter processes the data it receives and sends the output to the next filter in line. Which type of architecture is used to design the data processing software?
Client-server
Pipe and filter
Model-view-controller
Peer-to-peer
Correct answer
Pipe and filter
Open-Closed principle
Liskov Substitution principle
Interface Segregation principle
Dependency Inversion principle
Correct answer
Liskov Substitution principle
A software company is developing inventory management software for a medicine distributor. The software needs to be connected to a third-party module for invoice generation and printing. However, the data format used by the software is not compatible with the third-party module. Therefore, the development team has introduced a new class that converts the data format so that it is supported by the third-party module and has integrated the third-party module with the software. Which kind of design pattern is used in this case?
Builder design pattern
Facade design pattern
Adapter design pattern
Strategy design pattern
Correct answer
Adapter design pattern
