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What is the use of external storage devices?
External devices are used for storage just like internal devices but with the added bonus of being portable and not requiring space inside your computer. This usually comes at the sacrifice of access time or write times. Depends on the interface used for the external device.
Why Stable storage cannot be implemented?
Since all storage devices are hardware and are therefore vulnerable to the unpredictability of mechanical or electronic device failures. The closest approximation to stable storage are database systems that write data to multiple storage devices at the same time. If one device crashes, the data is still available from another device.
What is a worm storage device?
Worm storage stands for "Write Once, Read Many." This is media that allows one time writes, but can never be altered from that point forward. WORM storage is typically used when compliance with a regulatory agency is required.
What is the use of external device?
External devices are used for storage just like internal devices but with the added bonus of being portable and not requiring space inside your computer. This usually comes at the sacrifice of access time or write times. Depends on the interface used for the external device.
How much is the storage time for digital answering in this product?
It allows up to 14 minutes of recording time.
How does the access time of storage compare with the access time of memory?
access times from memory is 200,000 times faster than access times from storage devices due to the mechanical movement involved.
Why are disks considered secondary-and not primary-storage devices?
Disks are considered secondary storage devices because they are used for long-term data storage and are not directly accessible by the CPU. Unlike primary storage, such as RAM, which provides fast access to data that is actively being used, secondary storage devices like hard drives and SSDs store data persistently but require additional time for data retrieval. This distinction highlights the role of primary storage in facilitating immediate processing tasks, while secondary storage serves as a repository for larger volumes of data.
What was the shipment value for computer storage devices and equipment in 2001?
Shipment values for computer storage devices and equipment, which totaled $9.0 billion in 2000, fell to $8.2 billion in 2001. At that time, some 66 companies competed in the domestic market.
Is access time of memory is slow compared with the access time of storage?
access times from memory is 200,000 times faster than access times from storage devices due to the mechanical movement involved.
What is an access time?
An access time is the time interval between the issuing of a request to send data from or write data to a storage device and the completion of this action.
What is the access time of a floppy disk?
The access time of a floppy disk typically ranges from 100 to 300 milliseconds. This time includes the latency for the disk to spin to the correct position and the time taken to read or write data. Due to the mechanical nature of floppy disks, their access times are significantly slower compared to modern storage devices like SSDs and HDDs.
What is the name of a memory area used to temporarily hold data from lower speed storage devices to provide better access time?
Cache.
