DRDO - Software Engineering 1000+ MCQ [Solved] PDF Download

1. The testing technique that requires devising test cases to demonstrate a program function is operational is called_____
A. Grey- box testing
B. White box testing
C. Black box testing
D. Red Box Testing
Answer : C

2. A good specification should be?
A. distinctly specific
B. unambiguous
C. all of these
D. functional
Answer : C

3. In object oriented design of software which of the following is not true?
A. objects inherit the properties of the class
B. classes are defined based on the attributes of the object
C. objects can belong to two classes
D. classes are always different
Answer : C

4. Which of the following is not the part of system requirements?
A. Availability
B. Data Integrity
C. Security
D. Reliability
Answer : D

5. Which of the following the notation is not used to represent an object class in an object model?
A. Class Name
B. Entity
C. Attributes
D. Service
Answer : B

6. The name for the way that computers manipulate data into information is called:
A. processing
B. programming
C. storing
D. organizing
Answer : A

7. ___________ is used to derive a class from existing class.
A. Polymorphism
B. Encapsulation
C. Inheritance
D. Information hiding
Answer : C

8. The major advantage of bottom-up integration testing is__________.
A. major decision points are tested early
B. no drivers need to be written
C. no stubs need to be written
D. regression testing is not required
Answer : C

9. _____ is the open source software.
A. Internet Explorer
B. Mozilla
C. MS-Office
D. Oracle
Answer : B

10. RAD stands for _____.
A. Random Application Development
B. Raw Application Development
C. Robust Application Development
D. Rapid Application Development
Answer : D

11. What is meant by a dedicated computer?
A. Which is used by one person only
B. Which is assigned one and only one task
C. Which uses one kind of software
D. Which is meant for application software
Answer : B

12. Which of the following is a the process metric which is useful for assessing maintainability?
A. Number of request for corrective maintenance
B. Average time required for impact analysis
C. All the above
D. Number of oustanding change request
Answer : C

13. The SOFL model of Liu and colleagues (1997) presents an integrated approach that adopts _____ methodologies in the requirements phases and _____ methodologies in the design and implementation phases
A. Procedure-oriented, Structured
B. Structured, Procedure-oriented
C. Structured, Object-oriented
D. Object-oriented, Structured
Answer : C

14. The rapid application development model is______________
A. A Combination of prototyping and waterfall model
B. Includes project risks evaluation during each iteration
C. A high speed adaptation of the linear sequential model
D. Used to suggests a systematic sequential approach to software development
Answer : C

15. State True or False.
1. COCOMO is not a cost estimation model.
2. Human factors have an important role in the development process.
A. 1-True, 2-True
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-False, 2-False
Answer : C

16. Which of the following are the steps in identifying the transforming process of data- flow diagram to structure chart?
A. Identify system- processing transformation
B. Identify input transformation
C. Identify output transformation
D. All the above
Answer : D

17. Tools used in the early phases of the life cycle are called _____ CASE tools.
A. Lower
B. Back-end
C. Intermediate
D. Upper
Answer : D

18. _____ is the most widely used single measure of information technology success
A. User satisfaction
B. Job satisfaction
C. Business success
D. Profit making
Answer : A

19. Which of the following notation in data flow diagram is used to represent user interaction with system?
A. Arrow Head
B. Rectangle
C. Rounded Rectangle
D. Circle
Answer : D

20. Efficiency in a software product does not include ________
A. licensing
B. responsiveness
C. processing time
D. memory utilization
Answer : A

21. _____ model is based on incremental development under statistical quality control and formal correctness principles.
A. Waterfall
B. Spiral
C. Iterative
D. Cleanroom
Answer : D

22. Open source development model best suits for _____.
A. Large system applications
B. Small system applications
C. Medium system applications
D. Very small system applications
Answer : A

23. Which of the following model include inheritance model, object aggregation, and service usage model?
A. Entity- relation model
B. Data flow model
C. Structural model
D. Object model
Answer : D

24. The economic success of an application is measured in terms of metrics such as _____.
A. Profit maximization
B. Cost reduction
C. Customer satisfaction
D. All of the above
Answer : D

25. Integrating business processes with the Internet leads to far greater _____ between customers and suppliers.
A. Understanding
B. Restrictions
C. Transparency
D. Controversy
Answer : C

26. The Linear sequential model of software development is_____
A. An Old Fashioned model that cannot be used in a modern context
B. A good approach when a working program is required quickly
C. A useful approach when a customer cannot define requirements clearly.
D. A reasonable approach when requirement are well defined.
Answer : D

27. Software engineers should not use their technical skills to misuse other peoples computers.Here the term misuse refers to:
A. Unauthorized modification of computer material
B. Unauthorized access to computer material
C. Dissemination of viruses or other malware
D. All of the mentioned
Answer : D

28. What types of errors are missed by black-box testing and can be found by white-box testing?
A. Behavioural error
B. Logic errors
C. Performance error
D. Interface error
Answer : B

29. Which of the following are the activities of the function- oriented design.
A. Data- flow design
B. Structural decomposition
C. Detailed design description
D. All the above
Answer : D

30. Process technology enabled the support of the rapid application development needed for iterative approaches with their greater emphasis on risk _____ and user _____.
A. Minimization, Satisfaction
B. Minimization, Dissatisfaction
C. Maximization, Satisfaction
D. Maximization, Dissatisfaction
Answer : A

31. State True or False.
1. Ubiquitous computing lead to an environment in which the cycle time and costs of the business processes are increased.
2. Software technology facilitates communication between devices in a multimedia fashion.
A. 1-True, 2-True
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-False, 2-False
Answer : C

32. State True or False.
1. People have different software needs that change over time.
2. Most computer users do not understand computer languages.
A. 1-False, 2-False
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-True, 2-True
Answer : D

33. Information hiding is to hide from user details
A. that are not relevant to him
B. that re relevant to him
C. that may be maliciously handled by him
D. that are confidential
Answer : C

34. Which of the following is not aspects to fault tolerance.?
A. Failure detection
B. Damage assessment
C. Fault avoidance
D. Fault repair
Answer : C

35. Which of the following is not the strategy for achieving reliability in software system?
A. Fault avoidance
B. Fault tolerance
C. Fault detection
D. Fault repair
Answer : D

36. The Linear sequential model is also known as ________.
A. classical life cycle model
B. Fountain model
C. Spiral model
D. Concurrent model
Answer : A

37. ____________ serves as the foundation for software engineering.
A. Software Analysis
B. Software Design
C. Software quality
D. Software testing
Answer : B

38. Which of the following is not the stages in software design problem?
A. Study and understand the problem
B. Identify gross features of at least one possible solution.
C. Describe each abstraction used in the solution
D. Maintenance
Answer : D

39. State True or False.
1. The seminal book by Kent Beck, Extreme Programming Explained express some of the defining characteristics of agile development.
2. Code is the one artifact that development absolutely cannot live without
A. 1-False, 2-False
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-True, 2-True
Answer : D

40. _____ interacts with the system at the financial level.
A. Accounting Personnel
B. Database Manager
C. Salesman
D. System Operator
Answer : A

41. Identify the correct statement: Software engineers shall
A. ensure that their products only meet the SRS.
B. act consistently with the public interest.
C. act in a manner that is in the best interests of his expertise and favour.
D. none
Answer : B

42. Select the incorrect statement: Software engineers should
A. not use your technical skills to misuse other peoples compters.
B. not knowingly accept work that is outside your competence.
C. be dependent on their colleagues.
D. maintain integrity and independence in their professional judgment.
Answer : C

43. UAN stands for _____.
A. User Action Notation
B. User Action Norms
C. User Analogy Notation
D. User Analogy Norms
Answer : A

44. Feller and Fitzgerald observe that between _____ percent of software costs are traditionally associated with the post-development, maintenance phase of the software life cycle.
A. 70 to 80
B. 30 to 40
C. 50 to 60
D. 10 to 20
Answer : A

45. Design phase will usually be?
A. bottom-up
B. random
C. top-down
D. center fingring
Answer : C

46. _____ interoperate with systems at a mobile or remote level in order to access inventory, check prices, and close deals.
A. System Operator
B. Salesman
C. Database Manager
D. Accountant
Answer : B

47. State True or False.
1. Investors and owners are also significant stakeholders who make demands on a system in terms of financial goals.
2. Experts and consultants are another stakeholder class who can strongly affect problem definition.
A. 1-False, 2-False
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-True, 2-True
Answer : D

48. The tools used during implementation and maintenance are called _____ CASE tools
A. Upper
B. Front-end
C. Intermediate
D. Lower
Answer : D

49. State True or False.
1. People are at the core of problem solving because business problems are solved by people for people.
2. The structure of the group and its efficiency of communications, style of management, and cohesiveness are critical factors in the effectiveness of the team.
A. 1-True, 2-True
B. 1-True, 2-False
C. 1-False, 2-True
D. 1-False, 2-False
Answer : A

50. Choose the correct option in terms of Issues related to professional responsibility
A. Confidentiality
B. Intellectual property rights
C. Managing Client Relationships
D. Both a & b
Answer : D