10 Questions
Which type of storage is typically used for databases?
Secondary storage
What is the main purpose of physical database file structures?
To provide access to databases in secondary storage
Which storage device is considered a form of mass storage?
Magnetic disks
What is the main characteristic of flash memory?
It is nonvolatile
Which storage device has the highest transfer speed?
CD-ROM
True or false: Databases are typically stored on magnetic disks?
True
True or false: Cache memory is a form of primary storage?
True
True or false: Magnetic disks are a type of mass storage device?
True
True or false: Flash memory is a type of nonvolatile storage?
True
True or false: CD-ROM, DVD, and tape drives are examples of magnetic disks?
False
Study Notes
Storage Hierarchy
- Databases are typically stored on magnetic disks
- Storage hierarchy consists of:
- Primary storage: CPU main memory and cache memory
- Secondary storage: magnetic disks, flash memory, and solid-state drives
- Tertiary storage: removable media
Memory Hierarchies and Storage Devices
- Cache memory uses static RAM
- DRAM (Dynamic Random Access Memory) is used for main memory
- Mass storage devices include:
- Magnetic disks
- CD-ROM, DVD, and tape drives
- Flash memory, which is nonvolatile
Storage Types and Characteristics
- Storage types can be characterized by:
- Capacity
- Access time
- Max bandwidth (transfer speed)
- Commodity cost
Test your knowledge on disk storage, file structures, hashing, and modern storage architectures with this quiz. Explore the concepts discussed in Chapter 3 of Ramez Elmasri and Shamkant B. Navathe's book on databases.
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