Software Engineering - I (CS504)

1. When a small set of functions (which use each other) is so overwhelmingly the bottleneck, there are two alternatives:

   1. use a better algorithm OR re-write the code
   2. debug the code OR place assertions in code
   3. remove the functions OR add more functions
   4. changed programming language OR compiler at least

2. Some bit field members are stored: I) left to right II) right to left III) in circular array

   1. only (I) is true
   2. Only (II) is true
   3. Both (I) and (II) are true
   4. Only (III) is true

3. A ________ is a variance from a desired product attribute.

   1. Exception
   2. Error
   3. Mistake
   4. Defect

4. The architecture components for product engineering are

   1. data, hardware, software, procedures
   2. data, documentation, hardware, software
   3. data, hardware, software, people
   4. documentation, hardware, people, procedures

5. Defining the services of an object means:

   1. Whome it knows?
   2. What it does?
   3. What it knows?
   4. Who knows it?

6. In Data Flow Diagram (DFD), data flow can:

   1. Only originate from an external entity
   2. Only terminate in an external entity
   3. Originate and terminate in an external entity
   4. Either originate or terminate in an external entity but not both

7. In Collaboration diagrams, sequence of messaging is shown by ________.

   1. Numbering each message in an increasing order of numeric value
   2. Ordering of the messages in time
   3. Vertical ordering of the messages
   4. Horizontal ordering of the messages

8. ________ is a technique that can be used to reduce customer dissatisfaction at requirement stage.

   1. Analysis
   2. Negotiation
   3. Prototyping
   4. GUI

9. In use case diagram, an ellipse signifies a(n):

   1. actor
   2. class
   3. use case
   4. system boundary

10. The focus of sequence diagrams is:

    1. On object constraints
    2. On static Model of system
    3. On objects/classes and messages exchanged among them
    4. on the flow of Control

11. Which of the following is not a possible server in client server environment?

    1. Database Server
    2. Transaction Server
    3. File Server
    4. Time Server

12. The greatest advantage of exception handling is its ability to handle:

    1. Asynchronous errors
    2. Syntax errors
    3. Memory errors
    4. Control Structure errors

13. The three most important characteristics of an object are:

    1. Identity
    2. State
    3. Behavior
    4. All of the given.

14. Be very careful when you use functions with side effects - functions that change the values of the ________.

    1. Structures
    2. Variables
    3. Classes
    4. Objects

15. Different messages in sequence diagrams includes:

    1. Notify
    2. Both Simple and Asynchronous
    3. Asynchronous
    4. Simple

16. Code should not be:

    1. commented
    2. indented
    3. cryptic
    4. aligned

17. The context diagram is used as the top level abstraction in a ________ developed according to principles of structured analysis.

    1. Dataflow diagram
    2. Activity Diagram
    3. State Transition Diagram
    4. USe Case Diagram

18. In data flow diagram (DFD), Create, Update, Delete and Read operations are normally called:

    1. DURC operations
    2. CDUR operation
    3. RUDC operations
    4. CRUD operations

19. Which type of testing is not concerned with how the inputs are transformed into outputs?

    1. White Box
    2. Gray Box
    3. Black Box
    4. All of the given options

20. The Use case diagram does not show which actors interact with each use case

    1. True
    2. False

21. The intent of Object Oriented Analysis (OOA) is to define:

    1. All classes
    2. Relationships among classes
    3. Behavior of classes
    4. All of the given.

22. System models include:

    1. User business processes
    2. User activities for conducting the business processes
    3. Processes that need to be automated
    4. All of the given

23. Testing individual components independent of other components is called:

    1. Unit testing
    2. Module testing
    3. System testing
    4. Subsystem testing

24. The modules that interact with each other through message passing have ________.

    1. High Cohesion
    2. Low Cohesion
    3. High Coupling
    4. Low Coupling

25. Which one is used to describe flow of data or control in an application

    1. Class diagram
    2. Use case diagram
    3. Flow Chart
    4. None of the given option

26. A DFD is normally levelled (adding more levels of abstraction) as

    1. it is a good idea in design
    2. it is recommended by many experts
    3. it is easyto do it
    4. it is easier to read and understand a number of smaller DFDs than one large DFD

27. In ________ the analyst determines all the sources of requirements and where do theses requirements consume

    1. Source and Sink Analysis
    2. Down Parsing
    3. Data Flow Analysis
    4. Up Parsing

28. There are some types of requirements that can not be documented in the use cases.

    1. True
    2. False

29. GOTO statements violate the idea of

    1. object oriented code
    2. structured code
    3. control structure
    4. repitition structure

30. Comma ( , ) is very dangerous because ________.

    1. It causes side effects
    2. Compiler does not recognize this symbol
    3. It does not cause side effects
    4. It creates linkage problem

31. Strong cohesion implies that:

    1. All parts of a component have a close logical relationship with each other.
    2. All parts of a component do not have a close logical relationship with each other.
    3. Component is dynamic in nature
    4. Component is static in nature

32. Which of the following is NOT among one of the four layers of the Object Oriented (OO) design pyramid

    1. The subsystem layer
    2. The message layer
    3. The class and object layer
    4. The Abstract layer

33. A good program must contain ________ infeasible paths.

    1. 1
    2. 2
    3. 0
    4. infinite

34. Which indent size eliminates the chance of code lines splitting?

    1. 2
    2. 4
    3. 3
    4. 6

35. Coupling is a measure of ________ of a module or component.

    1. Independence
    2. Dependence
    3. Aggregation
    4. Composition

36. An external entity that interacts with a system is called a(n):

    1. association
    2. stakeholder
    3. use case
    4. actor

37. Software Engineering is the combination of tools, techniques and ________.

    1. Testing
    2. Processes
    3. Design
    4. Maintenance

38. Prototyping is used when there is ________ regarding requirements.

    1. Confirmation
    2. Consensus
    3. Uncertainty
    4. Conflict

39. After integrating subsystems into a system, and then testing this system as a whole is called

    1. Unit testing
    2. Component testing
    3. System testing
    4. Subsystem testing

40. Verification and validation are the processes in which we check a product against its ________ and the ________ of the users who will be using it

    1. statements, expectations
    2. specifications, expectations
    3. specifications , arguments
    4. statements, arguments

41. Use cases construction is a technique used for:

    1. requirements determination
    2. requirements structuring
    3. user interface design
    4. database design

42. Exception handling is a powerful technique that separates error-handling code from ________ code.

    1. Normal
    2. Faulty
    3. Buggy
    4. Complex

43. System ________ are built to allow the System Engineer to evaluate the system components in relationship to one another.

    1. Requirements
    2. Documents
    3. Models
    4. Test Cases

44. A ________ relationship indicates that one entity is composed of one or more parts which are themselves instances of that or another entity.

    1. Generalization
    2. Specialization
    3. Inheritance
    4. Whole-part

45. For equivalence partitions, we divide the problem in ________ obvious categories.

    1. Two
    2. Six
    3. Five
    4. Four

46. The method of dividing and assigning different portions of a large system to different groups for construction is called ________.

    1. Work Basic Structure
    2. Working Boundary Structure
    3. Work Breakdown Structure
    4. Work Breakdown System

47. ________ is an extremely powerful technique for dealing with complexity.

    1. Aggregation
    2. Abstraction
    3. Inheritance
    4. Association

48. The formula for calculating the Cyclomatic Complexity of a program is:

    1. E + N + 2
    2. E- N - 2
    3. E - N + 2
    4. N - E + 2

49. ________ diagram does not capture control flow information, it just shows the flow of the data in a system.

    1. Sequence
    2. Data Flow
    3. Activity
    4. Class

50. ________ and ________ are two important tools that helps in managing the program complexity.

    1. Composition, Inheritance
    2. Abstraction, Encapsulation
    3. Aggregation, Inheritance
    4. Modularity, Composition

51. The number ________ is the most abused symbol in programs written in C or C++.

    1. 1
    2. 0
    3. 2
    4. 3

52. More powerful hardware resulted into the development of ________ powerful and ________ software.

    1. more, complex
    2. less, complex
    3. more, simple
    4. less, simple

53. The three basic principles that guide maintainability are:
    (a) clarity
    (b) enhancement
    (c) flexibility
    (d) simplicity

    1. (a), (b) and (c)
    2. (a), (c) and (d)
    3. (b), (c) and (d)
    4. All of the given.

54. Objective of ________ is to show that the program does not work.

    1. Requirements
    2. Design
    3. coding
    4. testing

55. Performance, Security and maintainability are the types of ________ requirements.

    1. Business
    2. Non-Functional
    3. Domain
    4. Functional

56. The raising of the imaginary error flag is simply called raising or ________ an error.

    1. Catching
    2. Repress
    3. Casting
    4. Throwing

57. When an error is thrown the overall system (on the lookout for this error flag) responds by ______ the error.

    1. Ignoring
    2. Casting
    3. Catching
    4. All of the given options

58. In the classical thin-client architecture, the entire processing is carried-out by ________.

    1. Single server
    2. multiple servers
    3. multiple servers
    4. None of the given option

59. Exception handling provides:

    1. Portability mechanism
    2. Code Usability mechanism
    3. Error Handling mechanism
    4. Both Portability & Code Usability mechanism

60. Return values in synchronous messages are:

    1. Compulsory
    2. represented by solid lines
    3. Not used at all
    4. May not used when response is obvious

61. ________ is one of the techniques to document domain knowledge.

    1. State transition diagram
    2. Feasibility matrix
    3. System matrix
    4. None of the given

62. Class variables should never be declared public. Public variables violate which of the following:

    1. Information hiding
    2. Encapsulation
    3. Information hiding and Encapsulation
    4. None of the given

63. An arrow in Data Flow Diagram (DFD) represents

    1. Direction of flow of data
    2. Processing of data
    3. External agent
    4. Internal agent

64. A change becomes ________ because of close presence of data and functions.

    1. Accessible
    2. Global
    3. Private
    4. Localized

65. The C/C++ language does not define the alignment of items within

    1. structures
    2. classes
    3. unions
    4. All of the given options

66. x = 0; // x is floating pt
    Which written form of above line of code is more in line with the self-documentation philosophythan the code above.

    1. x= false
    2. x = NULL
    3. x = 0.0;
    4. x = '\0'

67. If Cat is derived from Mamal Class, and Mamal is derived from Animal Class, then:

    1. Cat will not ba able to access any class
    2. Cat will inherit Animal's fubctions and data
    3. Cat will not inherit Animal's fubctions and data
    4. Cat is allowed to access only the Mamal's Class

68. Performance, Security and maintainability are the types of ________ requirements.

    1. Business
    2. Non-Functional
    3. Domain
    4. Functional

69. The system specification describes the

    1. function and behavior of a computer-based system
    2. implementation of each allocated system element
    3. algorithmic detail and data structures
    4. time required for system simulation

70. Function testing falls under ________ testing technique.

    1. Unit
    2. White Box
    3. Black Box
    4. System

71. A use case represents:

    1. a class, its attributes and operations.
    2. an operation’s interface and signature.
    3. the role a user plays when interacting with the system.
    4. the system’s functionality for a particular purpose.

72. Chip level testing for hardware is equivalent to ________.

    1. System testing
    2. Black Box
    3. White Box
    4. Unit testing

73. A ________ is not the real product but just a real looking mock-up of what would be eventually delivered.

    1. Software
    2. Test Case
    3. Program
    4. Prototype

74. The goal of ________ is to translate the customer's desire for a set of defined capabilities into a working product.

    1. Electrical Engineering
    2. Product Engineering
    3. Mechanical Engineering
    4. Hardware Engineering

75. ________ requirements cause frequent modifications in user interface.

    1. Functional
    2. Non-functional
    3. Unstable
    4. User

76. In the case of action-oriented approach, data is decomposed according to:

    1. Object requirements
    2. Functionality requirements
    3. Corresponding domain model
    4. Compatibility with object interface

77. Complex expressions:

    1. Make the code easy to modify
    2. Make the code difficult to modify
    3. Make the code easy to understand
    4. Does not effect understandablity

78. While establishing the services for an object, the following fundamental questions should be asked

    1. Why does the system need this object any way?
    2. What useful questions can it answer?
    3. What useful action can it perform?
    4. All of the given.

79. "is" prefix should be used for ________ variables and methods.

    1. General
    2. Boolean
    3. Constant
    4. None of the given option

80. In Data Flow Diagram, the entity or system, outside the boundary of this system is called

    1. Process
    2. Data Flow
    3. External Agent
    4. Data Store

81. ________ structure represents the internal organization of the various data and control items.

    1. Value
    2. Data
    3. Information
    4. Conceptual

82. The order in which bytes of one word are stored is ________ dependent.

    1. hardware
    2. syntax
    3. language
    4. software

83. The size of ________ plays a significant role in making the program easy or difficult to understand.

    1. function
    2. object
    3. data type
    4. None of the given option

84. ________ Testing of system is not possible

    1. Black Box
    2. White Box
    3. Exhaustive
    4. None of the given options

85. The complexity of a program may ________ if there are exceptional paths in it.

    1. Remains same
    2. Decrease
    3. Increase
    4. Cutback

86. The expressions with logical operators can be evaluated only from ________.

    1. Right to left
    2. Left to right
    3. Top to bottom
    4. Bottom to top

87. A self documenting code is a code that explains itself without the need of comments and extraneous documentation, like ________.

    1. Flowcharts
    2. UML diagrams
    3. Process-flow state diagrams
    4. All of the given

88. In UML based Object Oriented model of a system, the diamond sign is used to depict ________ relations between two objects/classes.

    1. Composition and Aggregation
    2. Aggregation and Association
    3. Inheritance and Association
    4. Composition, Aggregation and Association

89. The criteria used to assess the quality of an architectural design should be based on system

    1. functionality
    2. accessibility and reliability
    3. implementation details
    4. data and control

90. Global variables in C++ should always be referred to by using the

    1. :: operator
    2. : operator
    3. Without an operator
    4. None of the given

91. Data cannot flow from one external entity to other external entity because:

    1. It will get corrupted
    2. It is not allowed in DFD
    3. An external entity has no mechanism to read or write
    4. Both are outside the context of the system

92. ________ is a technique in which we construct a model of an entity based upon its essential characteristics and ignore the inessential details.

    1. Inheritance
    2. Polymorphism
    3. Aggregation
    4. Abstraction

93. In order to make a code more portable, Instead of using vendor specific language extensions, use ________ as much as possible.

    1. STL
    2. CMMI
    3. ISO
    4. ANSI

94. Software Design discusses ________ aspect of software development.

    1. What
    2. How
    3. When
    4. Who

95. A context diagram is used

    1. as an aid to system design
    2. as the first step in developing a detailed DFD of a system
    3. in systems analysis of very complex systems
    4. as an aid to programmers

96. Which of the following sentence is true regarding user interface design?

    1. The simpler the interface, the efficient is the system.
    2. The higher the response time, the better is the interface.
    3. GUI interfaces are good for all tasks which a user needs to perform at an interface.
    4. Commabd-line interfaces are faster for some tasks which the user needs to perform.

97. A life line represents the object's life during the interaction in a sequence diagram while its notation is depicted by ________.

    1. Dotted Lines
    2. Solid Lines
    3. Curved Lines
    4. Full Arrow

98. The idea behind exception handling is to raise some error flag every time ________.

    1. The code links
    2. The code compiles
    3. Memory is allocated
    4. Something goes wrong

99. Consider the following statement:
    int a,b=10;
    Which of the following is correct:

    1. Variable "b" is initialized to 10
    2. variables can not be initialized this way
    3. Variable "a" is initialized to 10
    4. Both variables "a" and "b" are initialized to 10

100. The form for (;;) should be used for

     1. nested loop
     2. empty loop
     3. more than 1000 iterations
     4. less than 1000 iterations

101. In UML based Object Oriented model of a system, a composition relation between two objects is shown by a ________ sign on the Whole side of a relation line.

     1. A filled diamond
     2. A dot
     3. An unfilled diamond
     4. A half arrowhead

102. Software ________ is the process of examining the software product against its requirements.

     1. Fixing
     2. Debugging
     3. Testing
     4. Exception handling

103. Transactions are the ________ that must be remembered through time.

     1. Triggers
     2. Events
     3. Methods
     4. Actions

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301