AP Computer Science Principles Exam Review 2024 (100% Verified)
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Course
AP Computer Science Principles
Institution
AP Computer Science Principles
AP Computer Science Principles Exam
Review 2024 (100% Verified)
Explain the concept of `API` and how it facilitates software development.
An API (Application Programming Interface) provides a set of rules and protocols for
building and interacting with software applications. It facilitat...
AP Computer Science Principles Exam
Review 2024 (100% Verified)
Explain the concept of `API` and how it facilitates software development.
✔✔ An API (Application Programming Interface) provides a set of rules and protocols for
building and interacting with software applications. It facilitates software development by
allowing different software systems to communicate and use each other's functionalities without
needing to understand their internal workings.
What is `data privacy`, and why is it critical in the digital age?
✔✔ Data privacy refers to the protection of personal and sensitive information from
unauthorized access and misuse. It is critical in the digital age to ensure individuals' personal
data is secure from breaches, theft, and exploitation, safeguarding user trust and complying with
legal regulations.
Describe the purpose of `version control` systems in software development.
1
,✔✔ Version control systems manage changes to source code over time, allowing multiple
developers to collaborate efficiently. They keep track of different versions of the codebase,
facilitate rollbacks to previous states, and help resolve conflicts that arise from concurrent
modifications.
How does `input validation` enhance the security and reliability of a program?
✔✔ Input validation ensures that data entered into a program meets specific criteria before
processing. It enhances security by preventing malicious data from causing harm or
vulnerabilities, and it improves reliability by ensuring that the program operates with correct and
expected data formats.
What is `decomposition` in programming, and how does it help in problem-solving?
✔✔ Decomposition is the process of breaking down a complex problem into smaller, more
manageable sub-problems or tasks. It helps in problem-solving by simplifying the design and
implementation phases, making it easier to understand, develop, and test individual components
of the solution.
Discuss the importance of `efficiency` in algorithms and how it impacts performance.
2
, ✔✔ Efficiency in algorithms refers to optimizing resource usage, such as time and memory,
during execution. It impacts performance by determining how quickly and effectively an
algorithm can solve a problem, which is crucial for handling large datasets and ensuring
applications run smoothly.
What is the role of `data visualization` in interpreting complex datasets?
✔✔ Data visualization uses graphical representations, such as charts and graphs, to present
complex datasets in an accessible and understandable format. It helps users quickly grasp
patterns, trends, and insights from the data, facilitating better decision-making and
communication.
Explain how `error handling` improves the robustness of a program.
✔✔ Error handling involves detecting, managing, and responding to runtime errors in a program.
It improves robustness by allowing the program to continue operating gracefully or provide
meaningful error messages, thereby preventing crashes and maintaining user experience.
What are `metadata` and their uses in data management?
3
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