Explanation:Compact disk is used for easy storage at lower cost . 7. The primary medium for the long-term online storage of data is the __________ where the entire database is stored on magnetic disk.
A. Semiconductor memory
B. Magnetic disks
C. Compact disks
D. Magnetic tapes
Answer:A
Explanation:Compact disk is used for easy storage at lower cost . 7. The primary medium for the long-term online storage of data is the __________ where the entire database is stored on magnetic disk.
A. Semiconductor memory B. Magnetic disks C. Compact disks D. Magnetic tapes
Explanation:The system must move the data from disk to main memory so that they can be accessed . 8. Optical disk _______ systems contain a few drives and numerous disks that can be loaded into one of the drives automatically (by a robot arm) on demand.