boot sector

English

Etymology

boot + sector

Noun

boot sector (plural boot sectors)

1. (computing) A dedicated sector usually at the beginning (first sector on first track) of a storage medium that holds special data used to start a system. Some systems use a boot block of several physical sectors, while some use only one boot sector. Other manufacturers use the terms boot block and boot sector interchangeably.

See also

• block
• sector
• MBR

Synonyms

• boot block

Translations