82 list out the advantages and limitations of

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Unformatted text preview: of floppy disks. 70. Although floppy disks are non-volatile storage media, data stored on them can still be lost or damaged if they are not handled properly. Discuss. 71. What is "byte rot" problem? How can you take care of this problem? 72. What is a hard disk? Name three different types of hard disks. Give a typical usage of each type. 73. What is a zip disk? List out the similarities and differences between a zip disk and a floppy disk. 74. What is a zip drive? Differentiate between portable and fixed types of zip drive. 75. What is a disk pack? List out the similarities and differences between a disk pack and a Winchester disk. 76. What is a Winchester disk? Why is it so called? 77. For the same number of disk platters of the same size, Winchester disks can manage to have larger storage capacity than disk packs. Explain why. 78. A disk storage has four platters. How many recording surfaces are there in this disk storage if it is (a) a Winchester disk (b) a disk pack? 79. Hard disks outperform floppy disks in both data storage capacity and data access speed. Explain why. 80. Give two reasons why hard disks have more storage capacity than floppy disks. 81. Give two reasons why hard disks have better data access speed than floppy disks. 82. List out the advantages and limitations of magnetic disks as a secondary storage device. 83. List out the main advantages of magnetic disks as compared to magnetic tapes as a secondary storage device. 84. List out the typical uses of magnetic disks. 85. Write short notes on: (a) Disk formatting (b) Disk pack (c) Floppy disk (d) Hard disk (e) Zip disk (f) Winchester disk (g) Magnetic disk drive (h) Uses of magnetic disks (i) Advantages and limitations of magnetic disks (j) Proper usage and handling of floppy disks 86. What is an optical disk? How are data recorded/read from an optical disk? 87. Differentiate between the ways data are organized on a magnetic disk and an optical disk. Which data organization leads to faster random access...
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This document was uploaded on 04/07/2014.

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