2. Magnetic disk is a circular platter constructed of nonmagnetic material, called the substrate, coated with a magnetizable material.

3. Data are read and written in contiguous blocks called ________________.

4. CD-RW provide a permanent record of large volume of user data.

5. CD-R can be repeatedly written and overwritten.

6. Which one below RAID level is better for backup disk?

7. Transfer time in disk performance parameters is time that positioning the head of disk then read and write operation will have performed as the sector moves under the head.

8. Seek time for disk performance parameters is the time it takes to get into position read or write.

9. In replacement algorithm_____________ method is to replace the block in the set that has been in the cache longest.

10. Static ram is tending to be favored for large memory requirements.

11. ___ holds platters in place within a hard disk drive

12. A solid-state drive (SSD) is electromechanical magnetic disks which have a better speed than hard disk drives (HDDs).

13. The write operation in EEPROM takes considerably longer than the read operation on the order of several hundred microsecond per byte.

14. Which one below RAID level is better in term of dependency?

15. Which of below is not a category in RAID Levels?