Adattömb

Adattömb is a Hungarian term that translates directly to "data array" or "data block." In computing, it refers to a contiguous block of memory that stores a collection of elements of the same data type. These elements are typically accessed using an index, starting from zero for the first element. The size of an adattömb is fixed once it is allocated, meaning you cannot dynamically add or remove elements after its creation without creating a new, larger or smaller array.

The primary advantage of using an adattömb is its efficient access to elements. Because the elements are stored sequentially in memory, the computer can quickly calculate the memory address of any given element based on its index and the size of the data type. This makes operations like searching or iterating through the array very fast.

Adattömböks are fundamental data structures used in almost all programming languages. They are employed for tasks such as storing lists of numbers, characters, or other objects. For instance, a program might use an adattömb to hold a list of student scores, the pixels of an image, or the characters in a string. While simple, the concept of the adattömb is a building block for more complex data structures like multidimensional arrays, matrices, and hash tables. When dealing with large datasets or performance-critical applications, understanding the properties and usage of adattömböks is crucial for efficient software development.