Storage Systems Notes | Basic Computer Engineering | RGPV BTech First Year
Storage Systems Notes | Basic Computer Engineering | RGPV BTech First Year
Storage Systems
Storage System Computer System рдХрд╛ рдПрдХ рдорд╣рддреНрд╡рдкреВрд░реНрдг рднрд╛рдЧ рд╣реИ рдЬрд┐рд╕рдХрд╛ рдЙрдкрдпреЛрдЧ Data, Information рддрдерд╛ Programs рдХреЛ рд╕реБрд░рдХреНрд╖рд┐рдд рд░рдЦрдиреЗ рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред Storage Devices Computer рдХреЛ рдмрдбрд╝реА рдорд╛рддреНрд░рд╛ рдореЗрдВ Data рдХреЛ рд▓рдВрдмреЗ рд╕рдордп рддрдХ Store рдХрд░рдиреЗ рдХреА рд╕реБрд╡рд┐рдзрд╛ рдкреНрд░рджрд╛рди рдХрд░рддреЗ рд╣реИрдВред рдЖрдзреБрдирд┐рдХ Computing рдореЗрдВ Storage Systems рдХрд╛ рдЙрдкрдпреЛрдЧ Personal Computers, Servers, Data Centers, Cloud Computing рддрдерд╛ Enterprise Applications рдореЗрдВ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
Introduction
рдЬрдм Computer рдХрд┐рд╕реА Data рдХреЛ Process рдХрд░рддрд╛ рд╣реИ рддреЛ рдЙрд╕реЗ рднрд╡рд┐рд╖реНрдп рдореЗрдВ рдЙрдкрдпреЛрдЧ рдХреЗ рд▓рд┐рдП Store рдХрд░рдиреЗ рдХреА рдЖрд╡рд╢реНрдпрдХрддрд╛ рд╣реЛрддреА рд╣реИред Memory рдЬреИрд╕реЗ RAM Temporary Storage рдкреНрд░рджрд╛рди рдХрд░рддреА рд╣реИ рдЬрдмрдХрд┐ Storage Systems Permanent Data Storage рдЙрдкрд▓рдмреНрдз рдХрд░рд╛рддреЗ рд╣реИрдВред Storage System Computer рдХреА Data Retention Capability рдХреЛ рдирд┐рд░реНрдзрд╛рд░рд┐рдд рдХрд░рддрд╛ рд╣реИред
Storage Devices рдмрдбрд╝реА рдорд╛рддреНрд░рд╛ рдореЗрдВ Data рдХреЛ рд╕реБрд░рдХреНрд╖рд┐рдд рд░рдЦрддреЗ рд╣реИрдВ рддрдерд╛ рдЖрд╡рд╢реНрдпрдХрддрд╛ рдкрдбрд╝рдиреЗ рдкрд░ рдЙрд╕реЗ рдкреБрдирдГ рдЙрдкрд▓рдмреНрдз рдХрд░рд╛рддреЗ рд╣реИрдВред
Definition of Storage System
Storage System Hardware рдФрд░ Software Components рдХрд╛ рдРрд╕рд╛ рд╕рдореВрд╣ рд╣реИ рдЬреЛ Data рдХреЛ Store, Manage рддрдерд╛ Retrieve рдХрд░рдиреЗ рдХрд╛ рдХрд╛рд░реНрдп рдХрд░рддрд╛ рд╣реИред
Storage System = Data Storage + Data Retrieval + Data Management
Objectives of Storage System
- Permanent Data Storage
- Data Security
- Efficient Data Retrieval
- Backup and Recovery
- Large Capacity Storage
- Reliable Data Management
Classification of Storage Systems
- Primary Storage
- Secondary Storage
- Tertiary Storage
- Cloud Storage
1. Primary Storage
Primary Storage CPU рджреНрд╡рд╛рд░рд╛ Directly Access рдХреА рдЬрд╛ рд╕рдХрддреА рд╣реИред рдЗрд╕рдХрд╛ рдЙрдкрдпреЛрдЧ Program Execution рдХреЗ рджреМрд░рд╛рди рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
- RAM
- ROM
- Cache Memory
2. Secondary Storage
Secondary Storage Permanent Data Storage рдкреНрд░рджрд╛рди рдХрд░рддреА рд╣реИред
- Hard Disk Drive (HDD)
- Solid State Drive (SSD)
- Optical Disk
- USB Flash Drive
3. Tertiary Storage
Tertiary Storage рдХрд╛ рдЙрдкрдпреЛрдЧ Large Scale Backup рддрдерд╛ Archiving рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
- Magnetic Tape
- Automated Tape Libraries
4. Cloud Storage
Cloud Storage Internet рдХреЗ рдорд╛рдзреНрдпрдо рд╕реЗ Remote Servers рдкрд░ Data Storage рдкреНрд░рджрд╛рди рдХрд░рддреА рд╣реИред
- Google Drive
- OneDrive
- Dropbox
- Cloud Servers
Hard Disk Drive (HDD)
Hard Disk Drive Magnetic Technology рдкрд░ рдЖрдзрд╛рд░рд┐рдд Storage Device рд╣реИред рдЗрд╕рдореЗрдВ Data Magnetic Platters рдкрд░ Store рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
Advantages of HDD
- Large Storage Capacity
- Low Cost
- Widely Available
Disadvantages of HDD
- Slower Speed
- Mechanical Failure Risk
- Higher Power Consumption
Solid State Drive (SSD)
SSD Flash Memory Technology рдкрд░ рдЖрдзрд╛рд░рд┐рдд Storage Device рд╣реИред рдЗрд╕рдореЗрдВ рдХреЛрдИ Moving Parts рдирд╣реАрдВ рд╣реЛрддреЗред
Advantages of SSD
- High Speed
- Low Power Consumption
- Shock Resistant
- Reliable Performance
Disadvantages of SSD
- Higher Cost
- Limited Write Cycles
Optical Storage
Optical Storage рдореЗрдВ Laser Technology рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рдХреЗ Data Read рдФрд░ Write рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
- CD
- DVD
- Blu-ray Disc
Storage Devices Comparison
| Device | Speed | Capacity | Cost |
|---|---|---|---|
| HDD | Moderate | High | Low |
| SSD | Very High | High | High |
| Optical Disk | Low | Moderate | Low |
Characteristics of Storage Systems
- Large Storage Capacity
- Data Persistence
- Reliability
- Data Security
- Backup Support
- Scalability
Advantages of Storage Systems
- Long Term Storage
- Data Backup
- Large Capacity
- Easy Data Retrieval
- Improved Data Security
Limitations
- Hardware Failure Risk
- Maintenance Requirement
- Cost of High-End Storage
- Data Recovery Complexity
Applications
- Personal Computers
- Enterprise Systems
- Cloud Computing
- Data Centers
- Database Systems
- Scientific Research
- Multimedia Storage
Industrial Importance
- Cloud Infrastructure
- Banking Systems
- Healthcare Records
- E-Commerce Platforms
- Big Data Analytics
- Artificial Intelligence Systems
Viva Questions
- What is a Storage System?
- What is HDD?
- What is SSD?
- What is Cloud Storage?
- What is Optical Storage?
- Differentiate between HDD and SSD.
- What are Storage Devices?
- What is Secondary Storage?
- What is Data Backup?
- What is Tertiary Storage?
Exam Oriented Important Questions
- Define Storage System.
- Explain Types of Storage Systems.
- Differentiate between HDD and SSD.
- Write a Note on Cloud Storage.
- Explain Optical Storage Devices.
- Discuss Advantages of Storage Systems.
- Describe Applications of Storage Systems.
Conclusion
Storage Systems Computer Infrastructure рдХрд╛ рдорд╣рддреНрд╡рдкреВрд░реНрдг рднрд╛рдЧ рд╣реИрдВред рдпреЗ Data рдХреЛ рд╕реБрд░рдХреНрд╖рд┐рдд рд░рдЦрдиреЗ, Backup рдкреНрд░рджрд╛рди рдХрд░рдиреЗ рддрдерд╛ Efficient Data Access рд╕реБрдирд┐рд╢реНрдЪрд┐рдд рдХрд░рдиреЗ рдореЗрдВ рд╕рд╣рд╛рдпрддрд╛ рдХрд░рддреЗ рд╣реИрдВред рдЖрдзреБрдирд┐рдХ Computing Environment рдореЗрдВ Storage Systems рдХреА рднреВрдорд┐рдХрд╛ рдЕрддреНрдпрдВрдд рдорд╣рддреНрд╡рдкреВрд░реНрдг рд╣реИред
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