---
title: ADTs
TARGET DECK: Obsidian::STEM
FILE TAGS: adt
tags:
  - adt
---

## Overview

An **abstract data type** (ADT) is a mathematical model for data types, defined in terms of its behavior (semantics). An ADT's implementation often takes the form of a [[data-structures/index|data structure]].

%%ANKI
Basic
What is an ADT an acronym for?
Back: **A**bstract **D**ata **T**type.
Reference: “Abstract Data Type.” In _Wikipedia_, March 18, 2024. [https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576](https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576).
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%%ANKI
Basic
What is an ADT (abstract data type)?
Back: A mathematical model for data types, defined in terms of its behavior.
Reference: “Abstract Data Type.” In _Wikipedia_, March 18, 2024. [https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576](https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576).
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%%ANKI
Cloze
An {1:ADT} is to an {2:ISA} as a {2:data structure} is to a {1:uarch}.
Reference: “Abstract Data Type.” In _Wikipedia_, March 18, 2024. [https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576](https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576).
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END%%

%%ANKI
Basic
What term describes the concrete implementation of an ADT?
Back: A data structure.
Reference: “Abstract Data Type.” In _Wikipedia_, March 18, 2024. [https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576](https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576).
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## Bibliography

* “Abstract Data Type.” In _Wikipedia_, March 18, 2024. [https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576](https://en.wikipedia.org/w/index.php?title=Abstract_data_type&oldid=1214359576).