Mass storage SDS Sigma series
rad cover open , disk pulled out maintenance
the primary mass storage device, known rad (random-access disk), contains 512 fixed heads , large (approx 600 mm/24 in diameter) vertically mounted disk spinning @ relatively low speeds. because of fixed head arrangement, access quite fast. capacities range 1.6 6.0 megabytes , used temporary storage. large-capacity multi-platter disks employed permanent storage.
Comments
Post a Comment