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Storage Technology

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NATIONAL MANAGEMENT COLLEGE

STORAGE TECHNOLOHY

Submitted in partial fulfillment of the requirement For Diploma in Hardware Engineering

MG AUNG KYAW SOE Roll No. 6 Batch 25

Diploma project report

January, 2014

1

ACKNOWLEDGMENT First and foremost, I would like to thank my parents because I had attended “Diploma in Hardware Engineering”. Next, I would like to express my gratitude to Dr. Than Win (Principal of National Management Collage, Yangon) and Daw Khin Toe Yin (Managing Director of Winner Computer Group). Special thanks to Saya U Myo Aung Latt. A very grateful thanks to all my teachers, lectures and also teachers from laboratory for their supervision, advise and patience. Special thanks my hardware teachers Daw Ohnmar Myo, U Thein Moe, U Min Thu and U Win Naing Oo.

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CONTENT Page CHAPTER – 1 1.1 1.2 INTRODUCTION 6 6 7 9

Computer data storage Storage Type 1.2.1 1.2.2 Primary storage Secondary storage

CHAPTER – 2 2.1 2.2

STORAGE TECHNOLOGY 12

The basic components of data storage system Interaction with a storage system and other computer Components

12 13 13 14 15 16 17 18

2.3 2.4 2.5 2.6 2.7 2.8 2.9

Online storage vs. External hard drives Off-line storage Memory hierarchy Memory organization Main memory Secondary memory Type of storage technology

CHAPTER 3 3.1 3.2 3.3 3.4

MAGNETIC STORAGE 19 20 21 23 23 24 24

How to work magnetic storage History Design Magnetic recording classes 3.4.1 3.4.2 3.4.3 Analog recording Digital recording Magneto-optical recording
3

3.5 3.6

Domain propagation memory Technical details 3.6.1 3.6.2 Access method Current usage

25 25 25 26 26 26

3.7 3.8

Future Magnetic tape units

CHAPTER – 4 4.1 4.2 4.3 4.3 4.4 4.5 4.6

OPTICAL STORAGE 28 29 30 31 32 33 33

Optical media Dimensions and capacities Optical disk types (ROM, R, RW, RAM, + and -, DL, DS) Optical drive…...

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