Arrays and strings are two important data structures in computer science.

An array is a collection of similar data types stored in contiguous memory locations. The elements of an array can be accessed using an index value. Arrays can be one-dimensional or multidimensional, depending on the number of indices required to access the elements.

Strings, on the other hand, are a collection of characters. They are typically represented as an array of characters. Strings are often used to store textual data and can be manipulated using various string operations such as concatenation, substring extraction, and searching.

Both arrays and strings are used extensively in programming and have a wide range of applications. For example, arrays are often used to store large amounts of data that can be processed efficiently, such as image or audio data. Strings are used for various purposes such as user input, file input/output, and network communication.

It's worth noting that some programming languages treat strings as a separate data type, with specialized operations for manipulating them. However, in most languages, strings are simply represented as arrays of characters.

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