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Understanding Types of Removal Storage: Floppy Disks, CD-ROMs, DVD-ROMs, and Flash Drives

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11 diapositives · 272 Views · Jul 20, 2014

This article explores various types of removable storage options: floppy disks, CD-ROMs, DVD-ROMs, and flash drives. Floppy disks, once a standard for data transfer, have low capacity and lifespan but offer portability. CD-ROMs are known for their larger storage capacity but lack rewrite capabilities. DVD-ROMs provide significant data storage advantages but are also read-only. Flash drives are popular for their compactness, high storage capacity, and durability. Learn the pros and cons of each type and their relevance in today’s digital landscape.

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  1. Removal Storage By: Lydia Potter

  2. Types of Removal Storage • Floppy Disk • CD Roms • DVD Roms • Dual CD • Flash drives

  3. Floppy Disk • It is also called diskette • It was created by Alan Shugart of IMB in 1967 • Most computers don’t even have a floppy disk driver • Used to be the standard method of backing up and moving data for 30 years

  4. Pros and Cons • No real major pro • Low storage • Low life span • bigger

  5. CD Rom • It stands for Disk Read Only Memory • Used for storing graphics, text, and audio • It has 2 sectors • Mode 1: 2,048 bytes • Mode 2: 2,336 bytes

  6. Pros and Cons • Portable easy to store and carry • Inexpensive • It has a life span of 5 to 10 years • Easily ruined if handled incorrectly

  7. DVD Rom • It stands for Digital versatile disc, read only memory • Some Data is already on the DVD Rom when the consumer purchases it

  8. Pros and Cons • Helps share large amounts of data • Inability to erase and change saved data • You can purchase a rewriteable DVD ROM but they are more expensive

  9. Flash Drive • It is one of the most used removable storage • It was mainly created to replace floppy Disks • Holds lots of data for a small device

  10. Pros and Cons • Small • Non-volatile • Hot swappable • You can edit • Lots of data can be saved on it • Not any major

  11. Questions • What is else is the floppy disk called? • Name an advantage of a Flash drive? • What does DVD ROM stand for? • Diskette • Lots of answers • Digital versatile disc, read only memory