Magnetic Storage | Hard Disk Drive |
Read/Write Head | Track |
Sector | Platter |
Disk Controller | Magnetic Tape |
Magnetic storage device that uses several disks coated with magnetic material to store data permanently. | Type of storage that uses magnetic fields to write and read data on a disk or tape. |
Narrow concentric circle on the surface of a disk where data is magnetically stored. | Component of magnetic storage devices that reads and writes data onto disk by changing magnetic orientation of the disk's surface. |
Disk inside a hard disk drive where data is magnetically stored. | Division of a track on a disk containing a fixed number of bytes. |
Long plastic ribbon coated with magnetic material on which data can be magnetically recorded. | Electronic module that manages the flow of data between the computer and the hard disk drive. |
Tape Drive | Backup |
Archiving | Data Retention |
Data Recovery | Data Redundancy |
Data Mirroring | Redundant Array Of Independent Disks |
Process of copying and storing data in a different location for safekeeping in case of data loss or damage to the original data. | Magnetic storage device that uses a tape to store data sequentially. |
Duration for which data has to be preserved and kept accessible. | Process of preserving data over a long period of time and ensuring that it remains accessible and usable. |
Technique of storing duplicates of data to ensure that it is not lost in case of failure or damage to the original data. | Process of restoring lost or damaged data files from a backup or other copies of the data. |
Technology that uses multiple disks to create a single logical unit with improved performance, reliability, and storage capacity. | Type of data redundancy where two copies of the same data are stored on separate magnetic disks. |
SATA (Serial ATA) | IDE |
Solid-State Drive | Optical Storage Devices |
CD-ROM | DVD |
Blu-Ray | Read-Only |
Interface standard for connecting storage devices such as hard disk drives and CD/DVD drives to a computer's motherboard. | Interface standard for connecting storage devices such as hard disk drives and solid-state drives to a computer's motherboard. |
A type of data storage device that uses light to read and write data to a disk or other storage medium. | Storage device that uses NAND-based flash memory chips to store data, offering faster access and higher durability than traditional hard disk drives. |
A category of optical storage device that utilizes a laser to retrieve data stored on digital video disks, offering greater storage capacity compared to compact discs. | A type of optical storage device that uses a laser to read data stored on compact disks (CDs). |
A type of optical storage device that can only be read, not written to or erased. | A high-definition optical storage device that uses a blue laser to read and write data to a disk. It has a much larger storage capacity than DVDs. |
Write-Once | Rewritable |
Pit | Land |
Laser | Optical Disc Drive |
Reflectivity | Data Density |
A type of optical storage device that can be written to and erased multiple times. | A type of optical storage device that can be written to once, but data cannot be erased or modified. |
A flat area on an optical storage device that represents a 1 in binary code. | A small indentation on an optical storage device that represents a 0 in binary code. |
A device that reads and writes data to optical storage devices such as CDs, DVDs, and Blu-Ray disks. | A device that emits a beam of light that is used to read and write data on an optical storage device. |
The storage capacity of an optical storage device is based on the quantity of data that can be stored in a specific area. Greater storage capacity indicates the ability to store a larger amount of information on the device. | The capacity of an optical storage device to bounce back light. A greater capacity leads to enhanced accuracy in reading data. |
Rotational Speed | Access Time |
Buffer | Caddy |
Tray | Electrical Storage Devices |
SSD | Flash Drive |
The duration required for an optical storage device to find and obtain data. Decreased duration allows for faster retrieval of data. | The rate at which an optical storage device revolves. A faster revolution rate allows for quicker reading and writing of data. |
A protective cover that holds an optical disk while it is being read or written to. Caddies are often used in professional settings to prevent damage to disks. | A small amount of memory on an optical disc drive that temporarily stores data before it is written to or read from the disk. |
Devices used for storing electrical energy. | A device that securely holds an optical disk in place during reading or writing operations. It is often preferred in consumer settings due to its user-friendly nature and enhanced convenience. |
A small, portable electrical storage device that uses flash memory to store data. | Solid State Drive, a type of electrical storage device that uses integrated circuits to store data. |
Storage | Energy |
Data | Integrated Circuits |
Portable | Flash Memory |
Digital | Cloud Storage |
The ability to do work or produce power. | The act of preserving or retaining data in a digital format. |
Electronic components made of interconnected semiconductor devices on a single chip. | Information in a digital format that can be processed by a computer. |
A type of non-volatile memory that can be electrically erased and reprogrammed. | Capable of being easily carried or transported. |
A type of data storage in which data is stored on remote servers accessed through the internet. | Representing data as numerical digits for storage and processing. |
Virtualization | Data Migration |
Data Center | Cloud Service Provider |
Security Protocols | Subscription Model |
Data Encryption | Data Replication |
The process of moving data from one system or storage location to another, typically from on-premises to cloud storage. | A technology that allows multiple virtual machines to run on a single physical machine. |
A company that provides cloud computing services to businesses and individuals. | A facility used to house computer systems and associated components, such as telecommunications and storage systems. |
A pricing model in which customers pay a recurring fee for access to a product or service. | Rules that govern the exchange of data between networks, ensuring that only authorized users have access to sensitive information. |
The process of copying data to multiple locations to improve data availability and resilience. | The process of converting plain text into a coded language to prevent unauthorized access to sensitive information. |
Private Cloud | Public Cloud |
Hybrid Cloud | Network Latency |
Cloud Backup | Disaster Recovery |
Cloud Availability | Cloud Scalability |
A cloud infrastructure maintained by a third-party provider and accessed via the internet. | A cloud infrastructure maintained by a single organization, providing increased security and control over data. |
The delay that occurs when sending data between two points on a network. | A combination of public and private cloud infrastructures, providing a balance of security and scalability. |
The process of restoring business-critical systems and data after a natural or man-made disaster. | The process of backing up data to the cloud, providing a secure and cost-effective alternative to traditional backup methods. |
The ability of cloud systems to grow or shrink in response to changing demand, much like an elastic band. | The ability of cloud systems to remain accessible and operational in the face of hardware or software failures. |
Data Center Virtualization | Cloud Deployment Model |
Primary Memory | Secondary Memory |
Hard Drive | |
A model that describes how cloud infrastructure is deployed, such as public, private, or hybrid. | The process of creating virtual versions of physical data centers, enabling organizations to reduce costs and increase efficiency. |
Non-volatile storage location in a computer where data is stored for long-term retention. | The main memory in a computer where data is stored for immediate access by the CPU. |
A type of secondary memory storage device that uses magnetic disk storage to store large amounts of data long-term. | |