Hard Drive Basics

15 Points Per Correct Answer - No time limit  

1. The first hard disks, created in the 1950s, could be up to 20 inches in diameter. Which company invented the hard disk? IBM Xerox Intel HP

2. When purchasing a hard disk which of these is generally NOT a specification that would be of concern? data rate capacity seek time mounting holes

3. Inside the hard disk drive, where is the data actually stored? platters coils heads spindles

4. When a user formats a disk, they are generally performing a high-level format which prepares the drive to hold data. When a low-level format is performed, how does it divide the platter? bits and bytes sectors and tracks kilobytes and megabytes read and write

5. Which of these is disk interfaces was the precursor to SCSI (Small Computer System Interface)? SAS ST-506 SATA SASI

6. Hard drive failure rates are measured with MTBF (Mean Time Between Failures). Which of these failures would be reason to replace your current hard disk? can't read CDs file delete head crash application removal

7. An external hard disk is often purchased by the home computer user for backups of the main hard disk (generally installed internally to the computer case). Which of these interfaces is commonly used for this purpose? 8" floppy EIDE SafeStore USB

8. Which of these refers to the hard drive circuit board? HPCB ICBM CBCB PCB

9. During the life of a disk, is it true that defragmentation of the file system can significantly improve performance? True False

10. Which of these is NOT known as one of the world's hard disk manufacturers? Toshiba Seagate Kraft Western Digital