# CMT
**Wikidata**: [Q11194357](https://www.wikidata.org/wiki/Q11194357)  
**Source**: https://4ort.xyz/entity/cmt-q11194357

## Summary
The IBM 3480 Family is a magnetic tape data storage format developed by IBM, functioning as a tape drive system for reading and writing data on magnetic tape. It is classified as a subclass of "tape drive" and "CMT" (Cartridge Magnetic Tape), representing a specific format in the evolution of enterprise data storage solutions.

## Key Facts
* **Entity Type:** Magnetic tape data storage format.
* **Developer:** IBM (American multinational technology corporation, founded June 16, 1911).
* **Classification:** Subclass of "tape drive" and "CMT" (Cartridge Magnetic Tape).
* **Function:** Reads and writes data on magnetic tape.
* **Manufacturer Location:** IBM headquarters in Armonk, United States.
* **Wikidata ID:** Q1132483 (derived from sitelink data).
* **Commons Category:** IBM 3480 tape family.
* **Language Availability:** Information available in English, Japanese, and Commons.
* **Aliases:** Cartridge magnetic tape, CGMT.
* **Google Knowledge Graph ID:** /g/122z7nr0.
* **IFLA Value Vocabularies ID:** elecsmd#a.

## FAQs
### Q: What is the IBM 3480 Family?
A: The IBM 3480 Family is a magnetic tape data storage format developed by IBM, designed to read and write data on magnetic tape. It is part of the broader class of tape drives and CMT (Cartridge Magnetic Tape) technologies.

### Q: Who developed the IBM 3480 Family?
A: The IBM 3480 Family was developed by IBM, a multinational technology corporation headquartered in Armonk, United States, and founded in 1911.

### Q: What type of device is the IBM 3480 Family?
A: The IBM 3480 Family is classified as a "tape drive," a data storage device specifically designed for reading and writing data on magnetic tape.

### Q: Where can I find documentation on the IBM 3480 Family?
A: Documentation on the IBM 3480 Family is available in English, Japanese, and Commons, with a dedicated category on Wikimedia Commons titled "IBM 3480 tape family."

## Why It Matters
The IBM 3480 Family represents a specific format within the lineage of magnetic tape data storage, a critical component of enterprise computing history. Developed by IBM—a leader in the computer industry since 1911—this format falls under the broader class of tape drives and CMT (Cartridge Magnetic Tape) technologies. While specific technical specifications (such as storage capacity or transfer speed) are not detailed in the provided source, the existence of this format highlights the evolution of data storage solutions. Tape drives like those in the 3480 family serve the essential function of providing offline, sequential data access, which has been a staple in backup and archiving strategies for mainframe and server environments. The format is documented across multiple languages (English, Japanese) and has a dedicated category on Wikimedia Commons, indicating its recognized role in the history of computing hardware.

## Notable For
* **Classification:** Distinct subclass of "tape drive" and "CMT" (Cartridge Magnetic Tape).
* **Origin:** Developed by IBM, a foundational entity in the global computer industry.
* **Function:** Essential role in offline data storage, backup, and archiving.
* **Documentation:** Maintained in international knowledge bases with entries in English and Japanese.
* **Aliases:** Recognized by alternative names such as "cartridge magnetic tape" and "CGMT."

## Body
### Definition and Function
The IBM 3480 Family is a magnetic tape data storage format. It falls under the classification of a **tape drive**, defined as a data storage device that reads and writes data on a magnetic tape. It is also categorized under the class **CMT** (Cartridge Magnetic Tape).

### Manufacturer
The format was developed and manufactured by **IBM** (International Business Machines Corporation).
* **Nature of Developer:** IBM is an American multinational technology corporation involved in the software industry, computer industry, and IT service management.
* **Headquarters:** Armonk, United States.
* **History:** IBM was founded on June 16, 1911.

### Knowledge Representation
The IBM 3480 Family is recorded in structured knowledge bases with the following attributes:
* **Wikidata Description:** "magnetic tape data storage format developed by IBM."
* **Freebase ID:** /m/07rhrx.
* **Wikipedia Title:** IBM 3480 family.
* **Commons Category:** IBM 3480 tape family.
* **Language Availability:** Information regarding this entity is available in English, Japanese, and Commons.
* **Structured Properties:**
  - Aliases: cartridge magnetic tape, CGMT.
  - Subclass of: IBM 3480 Family.
  - Sitelink count: 1.
  - Wikipedia languages: ja.
  - Google Knowledge Graph ID: /g/122z7nr0.
  - IFLA Value Vocabularies ID: elecsmd#a.