Chapter 7: Storage

Fill In The Blank (1/2 point each)

1. A _______________   ________________   is the physical material on which a computer keeps data, instructions, and information.

2. A magnetic disk's storage locations consist of pie-shaped sections, which break the tracks into small arcs called   ______________   .

3. ________________   is the process of preparing a disk for reading and writing.

4. A   _______________   _______________   contains several, inflexible circular platters that store items electronically.

5. A portion of memory that the processor uses to store frequently-accessed items is called a   ______________   _________________   .

6. A   _______________   is the smallest unit of disk space that stores data.

7. The   ______________   _____________   _______________   is the time it takes a drive to transmit data.

8. A DVD-ROM with 1 side and 2 layers has a storage capacity of   ____________   GB.

9. A   ___________   ______________   ________________   is a high-speed network that connects storage devices.

10. A   ___________   ______________   stores data on a thin microprocessor embedded in a card the size of a credit card.

Short Answer (1 point each)

1. Suppose you want to store a file of size 1036 KB. If it was possible to choose the cluster size, which would waste less space for this file, 768 KB or 1024 KB?
   How much space is wasted in each case? (2 points)

   
   
   

2. How do striping and mirroring work in a RAID system? What is the difference between the two?

   
   
   

3. Define EIDE and SCSI. Which controller type supports a higher data transfer rate?

   
   
   

4. Compare and contrast CD-ROM and DVD-ROM storage media in terms of access (read) speed and capacity. Does a DVD-ROM store data in the same manner as a CD-ROM?