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The Waterfall Model is a sequential design process used in software development, where progress is seen as flowing steadily downwards through several phases like a waterfall. In the context of the question, describing the objects and functions in a program that compresses files before splitting the objects involves two specific phases:

• Design Phase: This is where the system’s architecture, components, interfaces, and data are all defined. The team would design the objects and functions necessary for the file compression program during this phase.
• Implementation (or Development) Phase: Following the design, the actual code is written during the implementation phase. The objects and functions described in the design phase are created and tested to ensure they work as intended.

These two phases are critical in the Waterfall approach for transitioning from an abstract understanding of the problem to a concrete implementation in code. The analysis phase is more about understanding the problem and requirements, while testing is a separate phase that comes after implementation.

References:

• GeeksforGeeks article on Waterfall Model1.
• Built In’s explanation of Waterfall Methodology2.
• Forbes Advisor’s overview of Waterfall Methodology3.

The operators used for checking divisibility are the division (/) and modulus (%) operators. The division operator (/) returns the quotient of the division, and if the quotient is a whole number without any remainder, then the number is divisible by the divisor. The modulus operator (%) returns the remainder of the division, and if the remainder is zero, it indicates that the number is divisible by the divisor. These operators are fundamental in programming for performing arithmetic operations and are widely supported across different programming languages.

References: The use of these operators is based on standard arithmetic operations and their implementation in programming languages, which is a foundational concept in advanced scripting and programming1234.

• E. The programmer can improve productivity by using libraries.
• F. Using a library prevents a programmer from having to code common tasks by hand.

In Agile methodology, the phase that typically results in a list of objects to be written is the Design phase. This phase involves creating the architecture and design of the system to be developed. It’s during this stage that developers and designers collaborate to identify the necessary objects and components that will make up the system, and how they will interact with each other. The output of this phase is often a set of design documents, diagrams, and a list of objects or components that need to be implemented in subsequent phases.

References: The Agile Development Lifecycle outlines various stages where different activities take place. The Design phase is crucial for setting a clear path for implementation and ensuring that the team has a shared understanding of the system’s architecture12. Additionally, Agile methodologies like Scrum and Extreme Programming (XP) emphasize the importance of design and architecture in their practices3.