Programmed Magnetic Bubble Memory

Programmed Magnetic Bubble Memory refers to a type of non-volatile computer memory technology that was popular in the 1970s and 1980s. It falls under the supply class of Information Technology Software in the supply group of Information Technology Equipment (Including Firmware), Software, Supplies, and Support Equipment.

Magnetic bubble memory stores data in the form of magnetic bubbles, which are small regions of magnetization within a magnetic material. These bubbles can be moved along the material using magnetic fields, allowing for the storage and retrieval of data.

Programmed Magnetic Bubble Memory was used as a storage medium in some computer systems during its heyday. It offered advantages such as high data density, fast access times, and resistance to environmental factors like temperature and vibration.

However, with the advent of more advanced and cost-effective storage technologies like hard disk drives and solid-state drives, magnetic bubble memory became obsolete and is no longer widely used in modern computing systems.

In the context of the supply class Information Technology Software, it is likely that Programmed Magnetic Bubble Memory refers to software or firmware that is specifically designed to interface with and control magnetic bubble memory devices. This software would enable the computer system to read from and write to the magnetic bubble memory, managing the storage and retrieval of data.

Overall, Programmed Magnetic Bubble Memory is a historical technology that was once used for computer data storage, but has since been replaced by more modern storage technologies.