WGU Scripting-and-Programming-Foundations Exam Dumps

Comprehensive and Detailed Explanation From Exact Extract:

In Agile software development, the process is iterative and focuses on delivering working software incrementally. According to foundational programming principles and Agile methodologies (e.g., Certiport Scripting and Programming Foundations Study Guide, Agile Manifesto), the design phase involves creating detailed plans for the software, including identifying objects (e.g., classes in object-oriented programming) to be implemented.

Agile Phases Overview:

Analysis: Defines requirements and goals (e.g., user stories, project scope).

Design: Creates detailed plans, including system architecture, data models, and objects/classes to be written.

Implementation: Writes and integrates code for the designed components.

Testing: Verifies that the implemented code meets requirements.

Option A: 'Design.' This is correct. During the design phase in Agile, the team translates requirements into technical specifications, often producing a list of objects (e.g., classes, modules) to be coded. For example, in an object-oriented project, the design phase identifies classes like User, Order, or Product.

Option B: 'Testing.' This is incorrect. Testing verifies the implemented code, not the creation of a list of objects.

Option C: 'Implementation.' This is incorrect. Implementation involves writing the code for the objects identified during the design phase.

Option D: 'Analysis.' This is incorrect. Analysis focuses on gathering requirements and defining what the system should do, not specifying technical objects.

Certiport Scripting and Programming Foundations Study Guide (Section on Software Development Life Cycle: Agile).

Agile Manifesto: ''Principles of Agile Development'' (http://agilemanifesto.org/).

Sommerville, I., Software Engineering, 10th Edition (Chapter 4: Agile Software Development).

In the context of Agile software development, when a programmer begins writing the first version of a program after receiving requirements from customers, they are engaging in theImplementationphase. This phase is characterized by the actual coding or development of the software, where the focus is on turning the design and analysis work into a working product. It's a part of the iterative process where developers create, test, and refine the software in successive iterations.

The Agile approach emphasizes incremental development and frequent feedback, with each iteration resulting in a potentially shippable product increment. The Implementation phase is where these increments are built, and it typically follows theDesignphase, where the system's architecture and components are planned out.

The first step in the algorithm to calculate the positive difference between two given values, x and y, is to declare the variable Diff. This is essential as it initializes the variable that will be used to store the calculated difference between x and y. The subsequent steps involve conditional statements and arithmetic operations that utilize this declared variable to compute and store the positive difference.Reference:N/A (as per image provided)

The image shows steps of an algorithm listed in no particular order for calculating the positive difference between two values, making it relevant for understanding or teaching algorithmic logic and sequence.

Comprehensive and Detailed Explanation From Exact Extract:

A function definition specifies how a function operates, including its name, parameters (inputs), return type or values (outputs), and the statements it executes. According to foundational programming principles, a function definition is distinct from a function call or its usage.

Option A: 'The function's name, inputs, outputs, and statements.' This is correct. A function definition includes:

Name (e.g., myFunction).

Inputs (parameters, e.g., int x, int y).

Outputs (return type or value, e.g., int or return x + y).

Statements (body, e.g., { return x + y; } in C).For example, in Python: def add(x, y): return x + y.

Option B: 'A list of all other functions that call the function.' This is incorrect. A function definition does not track or include its callers; it defines the function's behavior.

Option C: 'An invocation of a function's name.' This is incorrect. An invocation (call) is when the function is used (e.g., add(2, 3)), not its definition.

Option D: 'The function's argument values.' This is incorrect. Argument values are provided during a function call, not in the definition, which specifies parameters (placeholders).

Certiport Scripting and Programming Foundations Study Guide (Section on Function Definitions).

Python Documentation: ''Defining Functions'' (https://docs.python.org/3/tutorial/controlflow.html#defining-functions).

W3Schools: ''C Function Definitions'' (https://www.w3schools.com/c/c_functions.php).

Comprehensive and Detailed Explanation From Exact Extract:

Determining the mathematical operations (e.g., addition, subtraction, multiplication) for a calculator program involves defining what the program should do (requirements) and planning how to achieve it (technical specifications). According to foundational programming principles, this spans the analysis and design phases in the Waterfall methodology.

Waterfall Phases Analysis:

Analysis: The developer identifies the requirements, such as which operations the calculator must support (e.g., ''must perform addition, subtraction, etc.'').

Design: The developer specifies how these operations will be implemented (e.g., defining functions like add(), subtract(), or their algorithms).

Implementation: Codes the operations.

Testing: Verifies the operations work correctly.

Option A: 'Analysis and design.' This is correct. Analysis determines the operations needed (requirements), and design outlines their technical specifications (e.g., function signatures or algorithms).

Option B: 'Design and implementation.' This is incorrect. Implementation involves coding the operations, not determining which operations are needed.

Option C: 'Implementation and testing.' This is incorrect. These phases occur after the operations are determined, focusing on coding and verification.

Option D: 'Design and testing.' This is incorrect. Testing verifies the implemented operations, not their determination.

Certiport Scripting and Programming Foundations Study Guide (Section on Waterfall Phases).

Sommerville, I., Software Engineering, 10th Edition (Chapter 2: Waterfall Model).

Pressman, R.S., Software Engineering: A Practitioner's Approach, 8th Edition (Waterfall Analysis and Design).