Which model extends the waterfall approach by recognizing the different cycles?
Answer(s): D
The spiral model is a software development lifecycle model that extends the waterfall approach by recognizing the different cycles of planning, risk analysis, engineering, and evaluation. The spiral model allows for iterative and incremental development, where each cycle produces a prototype or a deliverable that can be evaluated by the customer and the project team. The spiral model also incorporates risk management throughout the project, as each cycle involves identifying and resolving potential risks before proceeding to the next cycle. The spiral model is suitable for large, complex, and uncertain projects that require frequent feedback and adaptation.
Spiral Model vs. Waterfall Model: Definitions and Differences Waterfall Methodology: The Ultimate Guide to the Waterfall Model
How many techniques are available to the design team for collecting data?
Answer(s): C
According to the CITM course outline1, there are five data collection techniques that are commonly used in business analytics. They are:Observations: This technique involves watching and recording the behavior, actions, or events of interest. Observations can be either direct or indirect, structured or unstructured, participant or non- participant.Interviews: This technique involves asking questions to individuals or groups of people who have relevant knowledge or experience on the topic. Interviews can be either structured, semi-structured, or unstructured, depending on the level of flexibility and standardization of the questions. Surveys: This technique involves administering a set of questions to a sample of respondents who represent the population of interest. Surveys can be either quantitative or qualitative, depending on the type and scale of the questions.Focus groups: This technique involves gathering a small group of people who share some common characteristics or opinions on the topic and facilitating a discussion among them. Focus groups can be used to explore attitudes, perceptions, feelings, or preferences of the participants.Documents: This technique involves reviewing and analyzing existing documents or records that are relevant to the topic. Documents can be either primary or secondary, depending on the source and authenticity of the information.
1: 7 Data Collection Methods and Techniques | SafetyCulture2: CITM 500 Data and Information Management | The Chang School of Continuing Education - Toronto Metropolitan University3: Data Collection Methods | Step-by-Step Guide & Examples - Scribbr4: Data Collection - Methods Types and Examples - Research Method
Which User-Oriented Design technique allows the systems analyst to spend a great deal of time others?
Answer(s): B
Interviews are a user-oriented design technique that allows the systems analyst to spend a great deal of time with the users, understanding their needs, preferences, expectations, and problems. Interviews can be structured, semi-structured, or unstructured, depending on the level of flexibility and depth required. Interviews can provide rich and detailed insights into the users' context, goals, tasks, and pain points, as well as their feedback and suggestions for improvement. Interviews can also help to establish rapport and trust between the systems analyst and the users, which can facilitate the design process and user acceptance.
User-Centered Design Basics | Usability.gov, User-centered design: Definition, examples, and tips
In object-oriented approach, program consists of interrelated classes of objects.
Answer(s): A
In object-oriented approach, a program is composed of classes and objects that interact with each other through messages. A class is a blueprint that defines the attributes and behaviors of a group of similar objects. An object is an instance of a class that has its own state and can perform actions defined by the class. Objects can be related to each other through different types of relationships,such as inheritance, association, aggregation, and composition. Object-oriented approach aims to model the real-world entities and problems in terms of objects and their interactions, making the program more modular, reusable, and maintainable.
Object Oriented Approach - Online Tutorials Library, What is object-oriented programming? OOP explained in depth - Educative, Object- oriented programming - Wikipedia
Which methodology is based on the notation of functions; programs consist of modules to meet functional requirements?
The Structured Approach is a methodology that is based on the notation of functions; programs consist of modules to meet functional requirements. The Structured Approach focuses on the processes involved in a software system, modeling them as a series of connected steps. It follows a top-down approach, breaking down complex systems into smaller, simpler parts that can be more easily understood. It also focuses on the data that a software system manipulates, modeling it as data flows between processes. It emphasizes the functional decomposition of a software system into smaller, independent functions.
1: Difference between Structured and Object-Oriented Analysis12: Traditional vs. Object-Oriented Approaches: Object-Oriented Approach: Analysis2
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