Computing term for the trailing part of a data structure, file, or packet, often containing metadata or end markers.
このファイル形式では、終端部にチェックサムが格納されている。
In this file format, a checksum is stored in the trailer.
フッタ is a common loanword for 'footer', often used in documents and web pages, while 終端部 is more technical and used in computing contexts like data packets or file formats.
Compound of 終端 (terminal, end) and 部 (part, section). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.