APCSP ch. 9 vocab

Analog data

information represented by a continuous range of values, mirroring the physical world

Sampling technique

a method of selecting a subset of data or points from a larger dataset to analyze, predict, or process, making the task more efficient and manageable

List

an ordered collection of items (or elements) stored under a single variable name, allowing multiple related values to be accessed by their position or index

Element

an individual item or value within a larger data structure, such as an array or list, accessed by its unique position or index

Index

a numerical identifier for an element's position within a data structure (like 0 for the first item in an array) or a separate data structure used to speed up data retrieval by storing keywords or a partial list with pointers to their full location in the main data

String

In computer science, a string is a sequence of characters, typically used to represent text. It is a fundamental data type in most programming languages.

Data abstraction

a technique that simplifies complex systems by hiding unnecessary implementation details and presenting only essential information to the user or other developers

Array

a data structure that stores a fixed-size collection of elements, all of the same data type, in contiguous memory locations