[Week 1-10] NPTEL Software Engineering Assignment Answers 2023

[Week 1] NPTEL Software Engineering Assignment Answers 2023

NPTEL Software Engineering Assignment Solution 2023

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NPTEL Software Engineering Week 10 Assignment Answers 2023

Q1. Which of the following are not a black box testing techniques? a. Boundary value testing b. MC/DC testing c. Cause-effect (Decision Table) testing d. Combinatorial testing e. Basic Condition testing

Q2. Which one of the following is an implicit assumption made in equivalence class testing? a. A program behaves in similar ways to every input value belonging to an equivalence class. b. Different equivalence classes of a program contain similar bugs c. Different equivalence classes of a program contain dissimilar bugs d. Equivalence classes define the behaviorally similar components of a program e. Equivalence classes define the behaviorally similar code segments of a program

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NPTEL Software Engineering Week 9 Assignment Answers 2023

1. Which one of the following is not a responsibility of a controller object in a domain model? a. Interact with the boundary objects b. Coordinate the activitie s of a set of entity objects c. Embody most of the business logic required for use case execution d. Permanently store frequently used data

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4. Which one of the following UML diagrams is constructed first in a typical object-oriented design process? a. Use case diagram b. Sequence diagram c. Class diagram d. State machin e diagram e. Deployment diagram f. Component diagram

5. Which one of the following does not serve as a guideline for identifying entity classes from a problem description? a. Entity classes usually appear as data stores in a DFD model b. Entity classes usually occur a s group of objects that are aggregated c. The aggregator of entity objects is an entity class and typically corresponds to a register in the physical world d. Entity classes should be created corresponding to the different users

6. CRC cards are usually not much useful in performing which of the following activities? a. Method identification for each class b. Responsibility assignment c. Identification of state tr a nsition in state machine model design d. Collaborator identification e. Class state identification

7. Which of the following statements concerning CRC cards are FALSE? a. CRC cards are used to assign methods to classes b. CRC cards are used to assign static attributes to classes c. CRC cards stands for Class-Responsibility-C o llaborator cards d. CRC cards are an automated method to create class diagrams e. While using CRC cards, it is imperative to perform structured walkthrough of use case scenarios

8. Which one of the following can be inferred from the pesticide paradox? a. More number of bugs are detected towards the end of testing b. More severe bugs are detected towards the e n d of testing c. After a test methodology has been used on a program to detect bugs, it is ineffective for detecting the remaining bugs d. A set of test methodologies should be applied again and again until all bugs are eliminated e. A persistent bug calls for simultaneous application of multiple test cases

9. Suppose an untested program was determined to contain 640 bugs. Three different testing techniques were applied to test the code. Each testing technique is effective to detect 50% of the bugs that exist at the time the concerned testing technique is applied. While fixing a bug after the a p plication of a test strategy, there is a 50% chance of creating another bug. How many bugs would exist in the code after the three testing and bug-fix cycles have been carried out? a. 200 b. 270 c. 350 d. 448 e. 512

10. Which of the following are true concerning verification? a. Helps answer the question: “Have you built the right thing?” b. Concerns checking the final product against its specification. c. Usually carried out by an independ e nt test team. d. May consist of review and simulation activities e. Checks whether an artifact produced at the end of a phase conforms to the corresponding artifact produced in a previous phase.

NPTEL Software Engineering Week 8 Assignment Answers 2023

1. Which one of the following is true of unary association? a. It is defined between multiple classes b. It is defined on exactly one object c. It is defined between m u ltiple obiects of the same class d. It is defined between multiple obiects of different classes e. It has a constant arity of 1 exactly

2. Which of the following statements regarding relations among classes are FALSE? a. Composition is a special type of aggregation b. Aggregation is special type o f binary association C. Binary association is special type of aggregation d. Binary association is a special type of N-ary association e. N-ary association is a special type of binary association.

3. Which of the following mechanisms are deployed by the state machine formalism to overcome the state explosion problem inherent to the finite state machine formalism? a. Composite O R states b. History states c. Guards on transitions d. Pseudo initial state e. Composite AND states

4. If a class has 5 state variables, and each of state variable can assume 4 discrete values, what is the maximum number states that an object of the cl a ss can assume? a. 20 b. 80 c. 256 d. 625 e. 1024

5. Which one of the following best characterizes a sequence diagram? a. A call graph illustrating all possible sequences of calls between class method members b. A typical sequence of calls between object methods on a time-line c. A time-line illustratin g the changes in inheritance and instantiation relationships between classes and objects over time d. A tree illustrating inheritance relationship between classes e. Sequence in which an object changes state

6. Which of the following UML diagrams should you use when allocating use-case behavior to classes? a. Sequence and communication diagrams b. Use-case and activit y diagrams c. Sequence and activity diagrams d. Class and deployment diagrams e. State machine and activity diagrams

7. Which one of the following can be said of a sequence diagram? a. It is used to model the behavior of a single object when many use cases are executed b. It is used to model the behavior of several o b jects when a single use case is executed c. It is used to model the behavior of a single object when a single use case is executed d. It is used to model the behavior of several objects when many use cases are executed e. It is used to model how state changes occur in a state machine diagram

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NPTEL Software Engineering Week 7 Assignment Answers 2023

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2. Which of the followings are FALSE about a use case? a. It is a way in which a system can be used by the users to achieve specific goals b. It corresponds to a non-functional requirement. c. It defines external behavior wit h out revealing internal structure of system d. It is a set of related usage scenarios tied together by a common goal e. It states a goal of the system

3. UML 1.X was enhanced with additional notational support to largely address modelling which one of the following types of applications? a. Embedded computing applications b. Artificial intelligence applications c. Data science applic a tions d. Cloud applications e. Blockchain applications

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7. Identification of the differen t categories of users in a use case diagram does not help towards which of the followings? a. Design of a suitable user interface b. Design of a security and authentication mechanism C. Design of a suitable user manual d. Design of controller classes e. Design of integration test plan

8. How is an external system represented in a use case diagram? a. Using a specific icon availabl e for this purpose b. Using text description C. Using object constraint language (OCL) d. By stereotyping the actor icon e. By using the symbol used to represent an object

9. A library automation software is to be designed. A use case named checkReservation is needed to check whether a book has been reserved by any user. For the issueBook use case, before a book can be issued it needs to be checked whether the book has been reserved by any user. Which one of the following mechanisms is most appropriate to make the issueBook use case to include the checkReservation use case? a. Inheritance b. Depende n cy c. Include d. Extend e. Composition

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NPTEL Software Engineering Week 6 Assignment Answers 2023

1. Which one of the following activities is carried out during the structured analysis activity? a. High-level functions are successively decomposed into m o re detailed functions. b. Decomposed fine granularity functions are mapped to a module structure c. Call relations among the modules is designed d. Data structures of the modules are designed e. Algorithms are design e d

2. Which one of the following activities is carried out during the structured design activity? a. High-l e vel functions are successively decomposed into more detailed functions. b. Decomposed fine granularity functions are mapped to a module structure c. Algorithms of the modules is designed d. Data structures of the module s are designed e. User interface is designed

3. Which of the following are not true of the structured analysis activity? a. It is a top-down decom p osition approach. b. It is based on the divide and conquer principle. c. The end product of the structured analysis activity is suitable for implementation in some programming language d. It is carried out using data flow diagrams e. It represents the various modules i n the implementation

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5. During the transform analysis activity during structured design in the structure chart, a functional component (module) is not drawn for which of the following? a. Afferent branch, b. Central transfo r m, c. Efferent branch. d. Data store branch e. External entities

6. which one of the following correctly characterizes balancing of DFDs? a. Data flowing into or out of a bubble must match across all the bubbles b. Data flowing into or out of a bubble must match the data flows at the next level of DFD. c. Data flowing into a bubble must match the data flowing out the bubbles in the next level d. Data flowing into a bubb le must match the data flowing out of the bubble e. Data input by an external entity must match the data received by the external entity

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10. Which of the following are true of a modular design? a. Good decomposition of the system b. Good abstraction of the system c. Easier to reuse modules d. Modules exhibit functio n al independence e. Easier to understand the design f. Lower computational complexity

NPTEL Software Engineering Week 4 Assignment Answers 2023

1. Which one of the following are not require m ents gathering techniques? a. Study existing procedures, b. Discuss with customer and end-users, c. Build prototypes of functions d. Input and O u tput analysis e. Analyze structure chart

2. Which one of the following charact e ristics are usually not expected of an SRS (Software Requirements Specification) document? a. Concise b. Consistent C. Com p lete d. Formal e. Optimal

3. An SRS document should not include which of the following? a. Functional requirements b. Project management plan c. Performance requirements d. External interface r e quirements e. Verification and validation plan

4. Which of the following are not non-functional requirements? a. The system should be portable b. The system should be maintainable c. Users should be able to check the status of their complaints raised by them in the past d. The system should be usable by fac t ory workers e. Users should be able to register their complaints using the system

5. Which one of the following should not be included in the checklist used for reviewing the SRS document? a. Is each requirement testable? b. Have the “how to implement” aspects been specified? c. Is the initial state of the system defined? d. Have the functional requirements been numbered? e. Has the project management plan be e n prepared and included as a separate section? f. Are the responses to exceptional conditions specified?

6. Which one of the following is an important advantage of a decision table o v er a decision tree for specification of complex decision logic? a. Specifies which variables are to be tested. b. Specifies what actions are to be taken if the conditions are true. c. Is more compact and therefore can meanin g fully represent highly complex logic. d. Specifies the order in which decision making is performed. e. Visually depicts the sequence in which decision making logic is exercised

7. Which one of the following assertions about functional require m ents is FALSE? A functional requirement is also called a behavioural requirement b. The functional requirements are independent of each other c. A functional requirement may consist of several scenarios of execution d. A functional requirement is a statement of how ce rt ain inputs to program get converted to the corresponding outputs e. Some of the functional requirements specify the required system performance

8. Consider the following partial description of a campu s security software. “The police officer on duty should be able to lodge a complaint against an erring driver.” Which one of the following types of requirements is this? a. Functional requirement b. Non-Functional requirement c. Design requirement d. Design constraint e. External interface requirement f. Goal of imple m entation

9. Consider the following partial requirement for a software to be developed: “Before any unexpected system crash or shutdown all current data must be sav e d for seamless restoration.” It can be considered to be which one of the following types of requirements? a. Functional requirement b. Non-Functional requirement c. Design constraint d. Goal of implementation e. External interfac e requirement

10. Which one of the following most accurat e ly states the time at which the requirement specification activity carried out during the requirements analysis and specification? a. During requirements gathering activity b. Before requirements analysis activity c. Before requirements gathering activity d. After r e quirements analysis activity e. During requirements analysis activity

11. Which one of the following a r e not requirements gathering techniques? a. Task analysis b. Scenario analysis c. Structured analysis d. Form an a lysis e. SRS document review

NPTEL Software Engineering Week 1 Assignment Answers 2023

1. Which of the following i s not a software service type of project? a. A project for customization of an educational institute automation software b. Development of a new feature for an existing office automation software c. A project for maintenance of a generic accounting s o ftware package d. A project for testing of a generic accounting software package e. A project undertaken by a vendor to develop from scratch a novel plant automation software for a client

2. Which one of the following characteristics of a complex system makes is necessary to develop it with both hardware and software parts, rather than realizing it using entirely ha r dware?

a. High system reliability b. Low development cost of the system c. Easy to change the system to meet changing customer requirements d. Low operating cost e. Low power consumption f. Low weight of the system

3. Which one of the following are not factors contributing to the present day software crisis?

a. Larger problems, b. Poor project management c. Lack of customer commitment d. Lack of adequate training in softwa r e engineering e. Low reliability of the hardware platforms

4. Which one of the following types of software development process most c l osely resembles the exploratory style of software development?

a. First specify the software, then design the test cases, then develop the software, and keep on modifying it until it passes all the test cases b. First specify the system, then develop the software, and finally test the developed software C. First develop the software, t h en test it, and then keep on modifying the software until it passes all the test cases d. Keep on specifying a little, designing a little, and testing a little until the full software is developed e. First write the test cases, then develop the software, then keep on modifying the s oftware until it passes all the test cases.

5. Which one of the following is FALSE about developing a large software by deploying the ex p loratory style of development?

a. Difficult to use exploratory style in team development environment b. For large-sized project, use explorator y development style leads to cost and time oVelTUns c. Development toy programs such as introductory programming assignments using exploratory style, leads to poor quality software and unreasonably large development time. d. Development of large projects using the exploratory style, often leads to project failure e. It is difficult to complete even simp l e projects using exploratory style of development

6. It is observed that while using the exploratory development style, th e effort required to develop a software grows exponentially with the size of the software. Which one of the following is a possible reason behind it?

a. Cost of requirements gathering increases exponentially b. Code size becomes exponentially large c. The number of indepen d ent variables in the monolithic program increases, leading to exponential increase in the effort to understand the program. d. As the size of any program increases, it becomes exponentially more difficult to correct compilation errors. e. Design effort increases exponentially

7. Which one of the following is justified by the magic number 7?

a. Number independent variables in a function should not exceed 7. b. A function should not call more than 7 functions c. A function should not be called by more than 7 functions d. Number of decision sta t ements in a function should not exceed 7. e. Number of members of a team should not exceed 7

8. Which one of the following terms is a synonym for the abs t raction technique?

a. Model building b. Decomposition c. Modularization d. Mapping e. Elaborating

9. Which one of the following statements concerning the principles of abstrac t ion and decomposition is false?

a. A geographical map is an abstraction of a country b. Organization of the contents of a book into chapters is an example of application of the decomposition technique c. Constructing a model of a building is an application of the principle of abstraction d. For a given syst e m, only a single and unique model can be constructed e. A unique decomposition is possible for any given problem

10. Which one of the following statements are FALSE?

a. A job is a repetition of a set o f well-defined and well understood tasks with very little uncertainty. b. A software development project consists of only a set of explorations c. An exploration is a set of tasks whose outcome is uncertain C. d. A software project consists of a mixture of jobs and explorations e. A software development project consists of only a set of job s

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NPTEL Software Engineering Week 2 Assignment Answers

NPTEL Software Engineering Week 2 Assignment Answers :- In this post, we have provided the answers to the NPTEL Software Engineering Week 2. All the answers are provided here on the basis of data available on the internet.

NPTEL Software Engineering Week 2 Assignment Answers 2022

Q1. Which of the following advantages can be expected to accrue when iterative waterfall model is used for a project?

  • a. Easy to understand, easy to use, especially by inexperienced staff
  • b. Milestones are well understood by the team
  • c. Provides requirements stability during development
  • d. Strong management control (planning, staffing, tracking etc) on the project
  • e. Project progress can be accurately monitored by the project manager, as a result schedule slippages are rare
  • f. Continual integration of the developed code occurs throughout the life cycle
  • g. Continual customer interactions

Q2. Which of the following project characteristics would suggest that a waterfall model-based development would be appropriate?

  • a. Requirements are well defined and stable
  • b. Technology is understood
  • c. Development team have experience with similar projects
  • d. Delivery date has been aggressively set
  • e. Substantial reuse of code is targeted

Q3. Which of the following are not known shortcomings of the iterative waterfall model of software development?

  • a. All requirements must be known upfront
  • b. Can give a false impression of progress
  • c. Integration is one big bang at the end
  • d. Little opportunity for customer to pre-view the system.
  • e. Inadequate documentation produced as part of the process
  • f. Number of phases in the model is ill defined

Q4. Which one of the following may be experienced by a software development team when it adopts a systematic development process model in preference to a build-and-fix style of development?

  • a. Increased documentation overhead
  • b. Increased development cost
  • c. Increased maintainability
  • d. Increased development time
  • e. Increased code size
  • f. Increased code efficiency

Q5. Prototyping life cycle model is appropriate when a project suffers from which one of the following risks?

  • a. Schedule slippage
  • b. Manpower turnover
  • c. Incomplete and uncertain requirements
  • d. Poor quality of outsourced work
  • e. Technological obsolescence

Q6. Which one of the following activities spans all stages of a traditional software development life cycle (SDLC)?

  • c. Project management
  • e. Specification

Q7. The operation phase of the waterfall model is a synonym for which one of the following phases?

  • a. Coding and unit testing phase
  • b. Integration and system testing phase
  • c. Maintenance phase
  • d. Design phase
  • e. Requirements specification phase

Q8. Unit testing is carried out during which phase of the waterfall model?

  • a. Implementation phase
  • b. Testing phase

Q9. Which one of the following phases accounts for the maximum effort during development of a typical software?

  • a. Coding usually
  • b. Testing usually
  • c. Designing usually
  • d. Specification usually
  • e. Coding always

Q10. Which one of the following is not a popular software development process model?

  • a. Waterfall Model
  • b. Recursive Model
  • c. RAD Model

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NPTEL Software Testing Assignment 2 Answers 2022

  • by QuizXp Team
  • August 8, 2022 August 8, 2022

NPTEL Software Testing Assignment 2

NPTEL Software Testing Assignment 2 Answers :- Hello students in this article we are going to share NPTEL Software Testing assignment week 2 answers. All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.

Below you can find NPTEL Software Testing Assignment 2 Answers

NPTEL Software Testing Assignment 2 Answers 2022:-

Q1. Which of the following best defines an infeasible test path?

a. An infeasible test path is one that does not exist in the graph. b. An infeasible test path is one that can be executed by a failed test case. c. An infeasible test path is one that cannot be executed by any test case. d. An infeasible test path is one that does not start at an initial vertex or end at a final vertex.

Answer: b. An infeasible test path is one that can be executed by a failed test case.

Q2. How are test requirements defined and met in graphs-based structural coverage criteria?

a. Test requirements are basically the same as test paths, they are given as test paths.

b. Test requirements are defined as properties of test paths and they are met by using test paths that satisfy each test requirement .

Answer : a. Test requirements are basically the same as test paths, they are given as test paths.

Q3. In control flow graphs, which of the terms below represents a basic block?

a. A basic block is a sequence of statements such that there is no branching in the sequence.

b. A basic block is any sequence of statements that occurs as a path in the control flow graph.

Answer: b. A basic block is any sequence of statements that occurs as a path in the control flow graph.

Q4. Consider a control flow graph G corresponding to a method and a strongly connected component S in C . Which of the following does S represent in the code that G corresponds to?

a. S represents the entire method in case the method does not have loops

b. S represents a loop in the method

Answer: b. S represents a loop in the method

Q5. Which of the algorithms will return the shortest paths between two nodes in a control flow graph?

a. Breadth first search

b. Depth first search

Answer: a. Breadth first search

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Q6. State true or false: There are test paths that achieve node coverage but not edge coverage.

Answer: b. False

Q7. Which of the following test paths achieve edge coverage?

a. Test path [1, 2, 3, 2, 4]

b. Test paths [1, 2, 4] and [1, 2, 3, 2]

c. Both the paths above achieve edge coverage

d.  None of the above two paths achieve edge coverage

Answer: c. Both the paths above achieve edge coverage

Q8. State yes or no : In the graph above, the test path [1, 2, 3, 2, 4] tours the pair of edges [3, 2, 3].

Answer: a. Yes

Q9. The test paths {[1, 2, 4], [1, 2, 3, 2, 3, 2, 4]} achieve which of the following coverage criteria?

a. Node coverage only

b. Edge coverage only

c. Node and edge coverage only

d. Edge pair coverage

Answer: d. Edge pair coverage

Q10. State true or false: The test path [1, 2, 3, 2, 4] achieves edge coverage.

Answer: a. True

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NPTEL Software Engineering Assignment 1 Answers 2023

In this post, We have provided answers of NPTEL Software Engineering Assignment 1. We provided answers here only for reference. Plz, do your assignment at your own knowledge.

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NPTEL Software Engineering Week 1 Assignment Answers 2023

1. Which of the following i s not a software service type of project? a. A project for customization of an educational institute automation software b. Development of a new feature for an existing office automation software c. A project for maintenance of a generic accounting s o ftware package d. A project for testing of a generic accounting software package e. A project undertaken by a vendor to develop from scratch a novel plant automation software for a client

2. Which one of the following characteristics of a complex system makes is necessary to develop it with both hardware and software parts, rather than realizing it using entirely ha r dware?

a. High system reliability b. Low development cost of the system c. Easy to change the system to meet changing customer requirements d. Low operating cost e. Low power consumption f. Low weight of the system

3. Which one of the following are not factors contributing to the present day software crisis?

a. Larger problems, b. Poor project management c. Lack of customer commitment d. Lack of adequate training in softwa r e engineering e. Low reliability of the hardware platforms

4. Which one of the following types of software development process most c l osely resembles the exploratory style of software development?

a. First specify the software, then design the test cases, then develop the software, and keep on modifying it until it passes all the test cases b. First specify the system, then develop the software, and finally test the developed software C. First develop the software, t h en test it, and then keep on modifying the software until it passes all the test cases d. Keep on specifying a little, designing a little, and testing a little until the full software is developed e. First write the test cases, then develop the software, then keep on modifying the s oftware until it passes all the test cases.

5. Which one of the following is FALSE about developing a large software by deploying the ex p loratory style of development?

a. Difficult to use exploratory style in team development environment b. For large-sized project, use explorator y development style leads to cost and time oVelTUns c. Development toy programs such as introductory programming assignments using exploratory style, leads to poor quality software and unreasonably large development time. d. Development of large projects using the exploratory style, often leads to project failure e. It is difficult to complete even simp l e projects using exploratory style of development

6. It is observed that while using the exploratory development style, th e effort required to develop a software grows exponentially with the size of the software. Which one of the following is a possible reason behind it?

a. Cost of requirements gathering increases exponentially b. Code size becomes exponentially large c. The number of indepen d ent variables in the monolithic program increases, leading to exponential increase in the effort to understand the program. d. As the size of any program increases, it becomes exponentially more difficult to correct compilation errors. e. Design effort increases exponentially

7. Which one of the following is justified by the magic number 7?

a. Number independent variables in a function should not exceed 7. b. A function should not call more than 7 functions c. A function should not be called by more than 7 functions d. Number of decision sta t ements in a function should not exceed 7. e. Number of members of a team should not exceed 7

8. Which one of the following terms is a synonym for the abs t raction technique?

a. Model building b. Decomposition c. Modularization d. Mapping e. Elaborating

9. Which one of the following statements concerning the principles of abstrac t ion and decomposition is false?

a. A geographical map is an abstraction of a country b. Organization of the contents of a book into chapters is an example of application of the decomposition technique c. Constructing a model of a building is an application of the principle of abstraction d. For a given syst e m, only a single and unique model can be constructed e. A unique decomposition is possible for any given problem

10. Which one of the following statements are FALSE?

a. A job is a repetition of a set o f well-defined and well understood tasks with very little uncertainty. b. A software development project consists of only a set of explorations c. An exploration is a set of tasks whose outcome is uncertain C. d. A software project consists of a mixture of jobs and explorations e. A software development project consists of only a set of job s

NPTEL Software Engineering Week 1 Assignment Answers 2022

1. The goal of structured programming is which the following: a. To have well indented programs b. To be able to infer the flow of control from the compiled code c. To be able to infer the flow of control from the program source code d. To avoid the use of GO TO statementse. e. To have modular programs

2. Unrestricted use of GO TO statements is normally avoided while writing a program, since: a. It increases the running time of programs b. It increases memory requirements of programs c. It results in larger executable code sizes d. It makes debugging difficult e. It increases the effort required to adequately test the software

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NPTEL Software Engineering Assignment 1 Answers 2023

3. Which of the following are true of a model in the context of software development? a. A model is an abstract representation of the problem b. A model captures only important aspects of the problem and ignores the rest. c. Different models are obtained when different aspects are ignored. d. A model is essentially a decomposition of the system e. A model helps handle the complexity in problem solution f. A model is essentially a design of the system

4. Why is writing easily modifiable code important? a. Easily modifiable code results in quicker run time. b. Most real world programs require change at some point of time or other. c. Most text editors make it mandatory to write modifiable code. d. Several developers may write different parts of a large program. e. Easily modifiable code reduces maintenance effort

5. Which among the following is not a software services type of project? a. Software maintenance project b. Software customization project c. Outsourced software development project d. Software product development project e. Outsourced software testing project

6. Model building is a form of which one of the following: a. Abstraction b. Decomposition c. Aggregation d. Composition e. Elaboration

7. Which of the following are implications of the magical number 7 in build and fix development projects? a. Development effort increases exponentially with program size b. Development effort increases linearly with program size c. Development effort increases sub-linearly with program size d. Development effort decreases linearly with program size e. Each module should be decomposed into at least 7 modules in a good design f. Each module should be decomposed into at most 7 modules in a good design

8. Which one of the following is not an implication of severely restricted size of the short–term memory? a. Difficulty in permanently remembering large amount of information. b. Difficulty in developing a program with large number of variables c. Difficulty in debugging a program with large number of variables d. Difficulty in understanding a program with large number of variables e. Difficulty in understanding a design in which each module is decomposed into a large number of modules f. Difficulty in understanding a design in which a function calls a large number of other functions g. Difficulty in understanding a design in which a function is called by a large number of functions h. Difficulty in understanding a design in which a module is reused in many modules

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9. While using the exploratory development style, the effort required to develop a software grows exponentially with the size of the software. Which one of the following is a possible reason behind it? a. Testing effort increases exponentially b. Code size becomes exponentially large c. As the number of independent variables in the program increases, it quickly exceeds the grasping power of an individual. d. As the size of a program increases, it becomes very difficult to correct compilation errors. e. As the size of a program increases, program compilation takes an unduly large amount of time.

10. Which one of the following is not justified by the magic number 7? a. Number independent variables in a function should not exceed 7. b. A function should not call more than 7 functions c. A function should not have more than 7 statements d. A function should not be called by more than 7 functions e. Number of decision statements in a function should not exceed 7.

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About Software Engineering

Large scale software development poses special challenges. This course targets to expose the students to the challenges of large scale software development and would expose the students as to how to overcome those. Starting with basic life cycle model concepts, it would discuss requirements specification, design, and testing issues. The concepts will be illustrated with appropriate examples.

COURSE LAYOUT

  • Week 1   :  Introduction
  • Week 2   :  Life Cycle Models I
  • Week 3   :  Life Cycle Models II
  • Week 4   :  Requirements analysis and specification
  • Week 5   :  Basics of software design
  • Week 6   :  Procedural design methodology
  • Week 7   :  Object-oriented concepts
  • Week 8   :  Introduction to UML: Class and Interaction Diagrams
  • Week 9   :  Object-oriented analysis and design
  • Week 10  : Testing I
  • Week 11  : Testing II
  • Week 12  : Testing III

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course. Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

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NPTEL Introduction to Database Systems Week 4 Assignment Answers 2024

1. Consider the statements given below:

S1: Every TRC query is safe. S2: There can be more than one free variable in a condition of a TRC query.

Choose the correct option:

  • S1: True; S2: True
  • S1: True; S2: False
  • S1: False; S2: False
  • S1: False; S2: True

2. Consider the sets S1 and S2 below. S1 has different types of keys and S2 has possible constraints on the number of such keys in a relation. Choose the correct matching:

S1: {w: primary key; x: candidate key; y: super key; z: foreign key} S2: { p: zero or more, q: exactly one, r: one or more }

Choose the correct mapping:

  • w–p; x–p; y–q; z–r
  • w–q; x–q; y–p; z–r
  • w–q; x–r; y–r; z–p
  • w–r-; x–r; y–p; z–q

3. Consider the statements given below:

S1: If the ​ candidate key ​ consists of ​ n ​ attributes for a relation R, then ​ primary key ​ attribute-set always has less than ​ n ​ attributes for the same relation.

S2: If a relation does not have a ​ candidate key ​ still it can have a ​ primary key ​ .

4. Consider the sets mentioned in the table below:

NPTEL Introduction to Database Systems Week 4 Assignment Answers 2024

Choose the correct matching:

  • w–s; x–q ; y–r ; z–p
  • w–s; x–p ; y:–p; z–r
  • w–q; x–r ; y:–r; z–p
  • w–q; x– s; y:–p; z–r

5. For a relational algebra operator θ , we can rewrite r 1 θr 2 by using other relational algebra operators appropriately. Choose the ​ incorrect​ option:

  • Intersection ​ : the re-written expression requires only ⋃ and −
  • Join ​ : the re-written expression requires only × and σ.
  • Join ​ : the re-written expression requires only II and σ.
  • Division ​ : the re-written expression requires only II,×, and − .

6. In the tuple relational calculus (TRC) query, one can not give _ _ _ _ of how to evaluate a query. Therefore, we write a _ _ _ _ expression to specify the data retrieval requirement. Fill the blanks:

  • Data; Procedural
  • Description; Procedural
  • Data; Declarative
  • Description; Declarative

7. Consider the TRC query given below:

NPTEL Introduction to Database Systems Week 4 Assignment Answers 2024

8. Consider the given relational schemas:

Professor(​ pid​ , pname, age, sex, deptNo, yearOfJoining) Department(​ did​ , dname, hod, phoneNo)

Choose the appropriate TRC query to retrieve the department names that do not have any female professors:

NPTEL Introduction to Database Systems Week 4 Assignment Answers 2024

Leadership and Team Effectiveness | Week 4

Session: JAN-APR 2024

Course name: Leadership and Team Effectiveness

Course Link: Click Here

For answers or latest updates join our telegram channel: Click here to join

These are Nptel Leadership and Team Effectiveness Assignment 4 Week 4 Answers

Q1. Which of the following is not considered the characteristic of Intelligent Leaders? Are Faster learners Make better assumptions, deductions, and inferences. Don’t have a compelling vision Can develop better solutions to problems

Answer: Don’t have a compelling vision

Q2. Which of the following intelligence emphasize on street smarts and common sense ability? Practical intelligence Creative intelligence Analytical intelligence Emotional intelligence

Answer: Practical intelligence

Q3. Which of the following term refers to feelings that tend to be less intense than emotions and that lacks a contextual stimulus? Affect Emotions Moods Thinking

Answer: Moods

Q4. State true and False According to Daniel Goleman et al., People are not born with general emotional intelligence that determines their potential for learning emotional competencies. True False

Answer: False

Q5. ______ _ refers to the potential influence one has due to the strength of the relationship between the leader and the followers. Legitimate Power Expert power Referent Power Reward Power

Answer: Referent Power

Q6. Which of the following tactic leaders use to appeal people’s values and ideals or seek to arouse their emotions to gain commitment for a request or proposal? Consultation Exchange Rational Persuasion Inspirational Appeals

Answer: Inspirational Appeals

Q7. There is a distinction between leaders and managers that says leaders do the right things whereas managers __ . Do things wrong Do ambiguous things Control things Do things right

Answer: Do things right

Q8. _______ __ leadership is the sharing of power and influence, with one person remaining in charge. Moral Leadership Ethical leadership Shared Leadership Inclusive Leadership

Answer: Shared Leadership

Q9. State true and false Theory Y managers tend to take a pessimistic view of their people, and assume that they are naturally unmotivated and dislike work. True False

Q10. ________ _ tactic differ from consultation in that they are used when agents seek the aid or support of others to influence the target. Requesting Coalition Socializing Personal Appeals

Answer: Coalition

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These are Nptel Leadership and Team Effectiveness Assignment 4 Week 4 Answers

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  17. NPTEL Software Engineering Assignment 3 Answers 2023

    1. Among the following modes of communication among th e project team members, which one is most effective? a. Carefully prepared documents b. Pre-recorded video c. Pre-recorded audio d. Face to face communication with a whiteb o ard е. E-mail exchanges Answer :- For Answer Click Here 2.

  18. NPTEL Software Engineering Assignment 1 Answers 2022

    In this post, We have provided answers of NPTEL Software Engineering Assignment 1. We provided answers here only for reference. Plz, do your assignment at your own knowledge. ALSO READ :- NPTEL Registration Steps [July - Dec 2022] NPTEL Exam Pattern Tips & Top Tricks [2022] NPTEL Exam Result 2022 | NPTEL Swayam Result Download

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