AP Computer Science Principles Exam Questions and Answers;(perfect guide for your final)

Computing is closely tied to ____, computing innovation have far reaching ____. - creativity; innovation The two impacts of computing is? - Facilitate creation of computational artifacts and help people solve personal, societal, and global problems. What do computing tools enhance? - The creative process What does collaboration facilitate? - Multiple perspectives, diverse talents and skil,s What is abstraction? - Information and detail reduction to focus on the relevant concepts of something. Abstraction uses ____ levels to represent data - Various What is the lowest level of abstraction? - Data represented as bits What is an overflow error? - An error in which a value is too large for the program to handle What is a round off error? - The computer's inability to represent some numbers exactly What two things can bits represent? - Data or instruction What are some characteristics of higher-level programming? - It is more abstract and readable What is the lowest level in the abstraction hierarchy? - PhysicalWhat is hardware built with? - Multiple levels of abstraction