Kódolásokhoz

Kódolásokhoz (Hungarian for "Encodings") refer to the systems used to represent text in a digital format. These systems are crucial for ensuring that text is accurately stored, transmitted, and displayed across different platforms and devices. The most common encoding system is ASCII (American Standard Code for Information Interchange), which uses 7 or 8 bits to represent 128 or 256 characters, respectively. However, ASCII is limited to representing only English characters and basic punctuation.

To accommodate a wider range of characters, including those from different languages and special symbols, more advanced encoding systems have been developed. UTF-8 (Unicode Transformation Format - 8-bit) is one of the most widely used encodings today. It is a variable-width character encoding that can represent every character in the Unicode standard, which includes characters from virtually all writing systems in the world. UTF-8 is backward compatible with ASCII and is widely supported by modern software and web browsers.

Another popular encoding is ISO-8859, which includes several variations such as ISO-8859-1 (Latin-1) and ISO-8859-2 (Latin-2). These encodings are single-byte encodings that can represent up to 256 characters, making them suitable for specific language sets but less versatile than UTF-8.

Choosing the right encoding is essential for avoiding issues such as character corruption or misinterpretation of text. For example, using the wrong encoding to read a text file can result in characters appearing as question marks or other incorrect symbols. Therefore, it is important to ensure that the encoding used to save a file matches the encoding used to read it. In web development, specifying the correct character encoding in the HTML document's meta tag helps browsers correctly display the text content.