Magnetic Bubble and Charged Coupled Device

Magnetic bubble and charged-coupled memory devices are used with some microcomputers. A magnetic bubble is a negatively charge magnetic field in a positively charge magnetic film. Let’s know detail about the magnetic bubble and charged coupled device.

The charged-coupled device (CCD) is made up of many microscopic capacitors capable of holding a charge for a short period of time. The presence of charge represents a binary 1 and its absence represents a 0.

Bubble and CCD devices are less affected by extreme environments (heat, cold, humidity, etc.) require less maintenance, and are much faster.

Of the two, bubble memory is more desirable because of this greater storage capacity and nonvolatility. CCDs are volatile but are faster than magnetic bubble devices.

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