There are several types of data structures in computer science. Some of the most commonly used ones include:

Arrays: An array is a collection of elements of the same data type that are stored in contiguous memory locations.

Linked lists: A linked list is a collection of nodes, where each node contains a data element and a reference to the next node.

Stacks: A stack is a collection of elements that supports two operations: push, which adds an element to the top of the stack, and pop, which removes the top element from the stack.

Queues: A queue is a collection of elements that supports two operations: enqueue, which adds an element to the back of the queue, and dequeue, which removes the element from the front of the queue.

Trees: A tree is a collection of nodes, where each node contains a data element and a reference to its child nodes.

Graphs: A graph is a collection of nodes, where each node can have one or more edges that connect it to other nodes.

Hash tables: A hash table is a collection of key-value pairs, where the key is used to compute an index into an array of values.

These data structures are used to store and manipulate data in various algorithms and programming languages.

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