Definitions[]
Hardware[]
A sector on a disk was an early method for giving addresses to each physical block of data on a hard disk drive. It is the smallest logical component of a hard drive that can be read or written. Many hard drives have 512-byte sectors. Even if a single byte of data needs to be accessed, the hard drive will read the entire sector containing that data.
Infrastructure[]
A sector is
| “ | [a] group of industries or infrastructures which perform a similar function within a society.[1] | ” |
Security[]
A sector is
| “ | a logical collection of assets, systems, or networks that provide a common function to the economy, government, or society. The NIPP addresses 18 CIKR sectors, identified by the criteria set forth in HSPD-7.[2] | ” |