noun
fixed-head disk
A type of disk storage where each track has its own read/write head, eliminating seek time. Technical computing term.
固定ヘッド式ディスクは、シーク時間が不要なため高速アクセスが可能です。
Fixed-head disks allow high-speed access because they eliminate seek time.
Compound of 固定 (fixed) + ヘッド (head) + 式 (type) + ディスク (disk). A direct calque from English 'fixed-head disk'.