AP Computer Science Principles Exam Study Guide with Complete Solutions latest 2026

AP Computer Science Principles Exam Study Guide with Complete Solutions latest 2026 Overflow - Correct Answer error that results when the number of bits is not enough to hold the number, like a car's odometer "rolling over" Round-off - Correct Answer error that results when the number of bits is not enough to represent the actual number, like 3 digits to represent π as 3.14 Lossy - Correct Answer Compressing data in a way that throws some data away and makes it almost impossible to recover the original, great compression, like JPEG images Lossless - Correct Answer Compressing data in a way that preserves all data away and allows full recovery of the original, good compression -- usually not as good as lossy, like PNG images Metadata - Correct Answer data about data, like a camera storing the location, aperture, shutter speed, etc. for a digital photo Sequencing - Correct Answer code flows line by line, one after another, like a recipe Selection - Correct Answer a boolean condition to determine which of two algorithmic paths are taken, aka if-then Iteration - Correct Answer using a looping control structure, like while, for, foreach, repeat, repeat-until, etc. Reasonable Time - Correct Answer polynomial in the number of steps an algorithm takes in the worst case based on the input size Not reasonable time - Correct Answer Usu