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A Glossary of Digital Storage Media Terms

A Glossary of Digital Storage Media Terms

Digital storage uses a lot of acronyms and trade names, so we put together this glossary to help you understand many of the terms used in digital storage technology.

APFS: Apple File System is the proprietary file system by Apple for its Mac systems that is optimized for solid-state drives.

Bit: The basic unit of data information. A bit can have only one of two values; a 0 or 1 which can be interpreted as yes/no or on/off.

Byte: A unit of digital data that consists of eight bits. Eight bits were required to encode a character of text which is why the byte is the smallest unit of memory.

Cache: A hard drive cache acts as temporary memory while it reads and writes data. HDDs typically have up to 256MB of cache while SSDs may have up to 4GB.

Checksum: A unique numerical signature derived from a file that is used to compare copies.

HDD: A hard disk drive, the most common type of digital media storage device that uses a spinning disk to record and store data.

FAT32: File Allocation Table is a file system used in older Windows systems. It lacks file permissions and other security features.

Flash: Flash storage uses small memory modules with no moving parts. Flash storage is a good option for memory expansion but not for long-term storage.

Floppy: Flexible disks are an old standard that allows data to be stored and transferred between devices.

NTFS: New Technology File System, the file system used by Microsoft Windows. 

NVMe: Non-Volatile Memory Express allows SSDs to optimize their read and write speeds.

Optical: A laser encodes data onto a device, such as CDs and DVDs. Optical storage is durable and inexpensive but can be damaged easily. 

RAID: A redundant Array of Independent Drives combines multiple hard drives into one system for data redundancy. 

SATA: A physical connector that connects an SSD or HDD to the motherboard.

SSD: Solid-state drives do not use a spinning disk to store data; rather, they use persistent memory which makes writing and retrieving data faster. 

Diskcopy is the industry’s most trusted name for exacting media duplication because every bit is important. We pioneered media and data duplication for businesses in the early 1990s and we have decades of experience and expertise with all types of media duplication.

When you need high-quality media duplication services, you need Diskcopy.

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