AP CS Principles Diagnostic Questions & Answers

AP CS Principles Diagnostic Questions & Answers How are procedures abstract in computer science? A)They use actual values to represent concepts. B)They represent the lowest level of code for a computer to run. C)They can be used without understanding or seeing the code used. D)They are blocks of code that do something specific. - Correct Ans-C)They can be used without understanding or seeing the code used. What do parameters used in a procedure provide? A)They return calculated values from the procedure to the calling program. B)They provide the connection of an API to the procedure. C)They provide a way to call a procedure from within another procedure. D)They allow software reuse for different values. - Correct Ans-D)They allow software reuse for different values. What happens when you "clean data"? A)Incomplete data records are completed or removed. B)Corrupt data records are corrected or removed. C)Duplicate records are removed. D)All of the above. - Correct Ans-D)All of the above. What causes an algorithm to be considered one that runs in an unreasonable amount of time? A)The solution is too inefficient for large datasets? B)Multiple algorithms exist with different levels of efficiency. C)It is solved most efficiently with large datasets. CO NTINUES...