COMPUTER SCIENCE AND ENGINEERING
DATA STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Abstract Data Type made up of associated pairs
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Queue that hold alphanumeric characters
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a type of array
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Abstract Data Type that holds Strings
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Detailed explanation-1: -A dictionary is an abstract data type that defines an unordered collection of data as a set of key-value pairs. Each key, which must be unique, has an associated value. Typically, the keys in a dictionary must be simple types (such as integers or strings) while the values can be of any type.
Detailed explanation-2: -A dictionary is a general-purpose data structure for storing a group of objects. A dictionary has a set of keys and each key has a single associated value.
Detailed explanation-3: -A data dictionary is a collection of descriptions of the data objects or items in a data model to which programmers and others can refer. Often, a data dictionary is a centralized metadata repository.
Detailed explanation-4: -A dictionary (also known as an associative array in some programming languages), is a collection of key-value pairs where each unique key maps onto a value.