design and implementation MCQs – Page 2

Practise focused design and implementation questions with marked answers for exam preparation and subject revision.

design and implementation Mcqs
51. A ______________ is a graphical representation that depicts information flow and the transforms that are applied as data moves from input to output?
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A. workflow diagram

B. state transition diagram

C. data flow diagram

D. control specification

52. At Conceptual level Class diagrams should include_____________________?
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A. operations only

B. attributes only

C. both operations and attributes

D. none of the mentioned

53. Which of the following statement(s) is true about interaction diagrams ?
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A. Interaction diagrams are good at designing part or all of one use cases functionality across multiple objects

B. All of the mentioned

C. Interaction diagrams allow the analyst to show iteration and conditional execution for messaging between objects

D. Interaction diagrams are at their best when they deal with one main design flow and not multiple variants that can happen

54. What is an object________________?
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A. An object includes encapsulation of data

B. An object is not an instance of a class

C. All of the mentioned

D. An object is an instance of a class
55. Which of the following is not a characteristics of box diagram ?
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A. arbitrary transfer of control is impossible

B. functional domain

C. recursion is easy to represent

D. providing a notation that translates actions and conditions
56. What is an abstract class ?
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A. A class that has direct instances, but whose descendants may not have direct instances

B. All of the mentioned

C. A class that has direct instances, but whose descendants may have direct instances

D. A class that has no direct instances, but whose descendants may have direct instances
57. What establishes the profile of end-users of the system ?
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A. design model

B. system image

C. mental image

D. users model
58. Which of the following term is best defined by the statement:The ability to represent local and global data is an essential element of component-level design. ?
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A. Automatic processing

B. Data representation

C. Logic verification

D. Code-to ability

59. A data model contains___________________?
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A. all of the mentioned

B. data object

C. attributes

D. relationships

60. Select the statement true for activity diagrams ?
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A. All of the mentioned

B. They can be used to discover parallel activities

C. They are used to depict workflow for a particular business activity

D. Activity diagram do not tell who does what and are difficult to trace back to object models

61. Which pattern prevents one from creating more than one instance of a variable ?
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A. None of the mentioned

B. Observer

C. Factory Method

D. Singleton
62. The recurring aspects of designs are called design____________________?
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A. structures

B. documents

C. methods

D. patterns
63. Which mechanism is applied to use a design pattern in an OO system ?
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A. All of the mentioned

B. Composition

C. None of the mentioned

D. Inheritance

64. Which of the following option is not considered by the Interface design ?
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A. the design of interfaces between software components

B. all of the mentioned

C. the design of the interface between two computers

D. the design of interfaces between the software and human producers and consumers of information

65. You want to minimize development cost by reusing methods? Which design pattern would you choose ?
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A. Singleton Pattern

B. Delegation pattern

C. Immutable Pattern

D. Adapter Pattern

66. Which of the following is not a construct ?
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A. condition

B. repetition

C. sequence

D. selection
67. Which of the following is not a part of a test design document ?
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A. Test Design Specification

B. Test Case Specification

C. Test Plan

D. Test Log
68. Specifying a set of test cases or test paths for each item to be tested at that level is known as__________________?
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A. None of the mentioned

B. Test case generation

C. Test case design

D. ALL of the mentioned
69. ____________________ is a pidgin(simplified version of a language that develops as a means of communication between two or more groups that do not have a language in common)?
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A. structured English

B. program design language

C. pseudocode

D. all of the mentioned
70. Which diagram in UML shows a complete or partial view of the structure of a modeled system at a specific time ?
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A. Object Diagram

B. Class Diagram

C. Sequence Diagram

D. Collaboration Diagram

71. Which design pattern defines one-to-many dependency among objects ?
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A. Singleton pattern

B. Factory method pattern

C. Observer pattern

D. Facade Pattern

72. Which of the following is not a user interface design process ?
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A. Interface validation

B. User, task, and environment analysis and modeling

C. Interface design

D. Knowledgeable, frequent users
73. When users are involved in complex tasks, the demand on _______________ can be significant?
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A. all of the mentioned

B. shortcuts

C. objects that appear on the screen

D. short-term memory
74. Which of the following term is best defined by the statement:a structural relationship that specifies that objects of one thing are connected to objects of another ?
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A. Association

B. Realization

C. Generalization

D. Aggregation

75. Which of the following is not a design principle that allow the user to maintain control ?
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A. Allow user interaction to be interrupt-able and undo-able

B. Design for direct interaction with objects that appear on the screen

C. Provide for flexible interaction

D. Show technical internals from the casual user
76. The ___________________ enables the software engineer to develop models of the information domain and functional domain at the same time___________________?
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A. activity diagram

B. data flow diagram

C. state transition diagram

D. control specification

77. _______________________ defines the properties of a data object and take on one of the three different characteristics ?
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A. attributes

B. relationships

C. data object and attributes

D. data object

78. A software might allow a user to interact via________________________?
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A. keyboard commands

B. mouse movement

C. all of the mentioned

D. voice recognition commands

79. Which of the following is golden rule for interface design ?
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A. All of the mentioned

B. Make the interface consistent

C. Place the user in control

D. Reduce the users memory load