始し端たん部ぶ

noun

leader; leading part

Technical computing term for the initial segment of a data structure, such as the leader of a magnetic tape or the beginning of a file. Not used in general conversation.

• 磁じ気きテープの始し端たん部ぶには、データの先せん頭とうを示しめすマークが記き録ろくされている。

  A mark indicating the start of data is recorded at the leader of the magnetic tape.