Chapter 5
Secondary Storage
CHAPTER OUTLINE
- Introduction
- Classification of Secondary Storage Devices
- Magnetic Tape
- Magnetic Disk
- Optical Disk
- Magneto-optical Disk
- Memory Stick
- Universal Serial Bus
- Mass Storage Devices
5.1 INTRODUCTION
In Chapter 4, we discussed about primary memory, which is volatile in nature and has a very limited storage capacity. This kind of memory is mainly used for processing the data. Being volatile, primary memory cannot hold data or instructions once the computer is switched off. Therefore, a computer requires more stable (nonvolatile) type of memory to store all the data (files) and instructions (programs) even after the computer is turned off. This kind of memory is known as secondary memory or auxiliary memory ...
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