Also known as: sec.
SEC has various meanings in the Army category. Discover the full forms, definitions, and usage contexts of SEC in Army.
Sixtieth part of a minute of time.Sixtieth part of a minute of arc
Army(1) General term for an extruded or fabricated structural member. (2) Transverse vertical plane through the hull perpendicular to the Centerline.
ArmyA sector is the smallest unit that can be accessed on a hard disk. Each platter, or circular disk of a hard disk is divided into tracks, which run around the disk. These tracks get longer as they move from the middle towards the outside of the disk, so there are more sectors along the tracks near the outside of the disk than the ones towards the center of disk.
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