Why a character in UTF 32 takes more space than in UTF-16 or UTF-8?

Why a character in UTF 32 takes more space than in UTF-16 or UTF-8?

Characters within the ASCII range take only one byte while very unusual characters take four. UTF-32 uses four bytes per character regardless of what character it is, so it will always use more space than UTF-8 to encode the same string.

How do 16-bit characters differ from their modern counterparts?

An important concept specifically related to Unicode-16/32 is byte order. Computers handle data on the basis of 8-bit units, known as octets. Each memory location occupies an octet, or 8 bits. A 16-bit Unicode character takes up 2 memory locations while a 32-bit character occupies 4 memory locations.

What’s the difference between UTF 8 and UTF 16?

Utf-8 vs Utf-16 Utf-8 Utf-16 Definition A variable length character encoding for Unicode that uses a 8-bit, 16-bit, 24-bit and 32-bit encoding depending on the character. A variable length character encoding for Unicode that uses a 16-bit or 32-bit encoding depending on the character.

Can a ASCII file be encoded with UTF-8?

When encoding a file that uses only ASCII characters with UTF-8, the resulting file would be identical to a file encoded with ASCII. This is not possible when using UTF-16 as each character would be two bytes long. Legacy software that is not Unicode aware would be unable to open the UTF-16 file even if it only had ASCII characters.

Which is the variable length encoding for Unicode?

A variable length character encoding for Unicode that uses a 8-bit, 16-bit, 24-bit and 32-bit encoding depending on the character. A variable length character encoding for Unicode that uses a 16-bit or 32-bit encoding depending on the character.

Why does UTF-8 have a BOM Mark?

Even though byte order doesn’t matter, sometimes UTF-8 still has BOM (byte order mark) which serves to notify that the text is encoded in UTF-8, and also breaks compatibility with ASCII software even if the text only contains ASCII characters. Microsoft software (like Notepad) especially likes to add BOM to UTF-8. Main UTF-16 pros: