These approaches can combine a smaller SSD that stores the operating system and applications and a larger HDD that is used for user data, or a hybrid HDD that has flash memory inside a HDD that is used to store frequently accessed data on the flash with less used data kept available on the HDD.

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The Momentus XT drives include a flash memory cache inside of the hard disk drive.

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With the help of Bluetooth, MeterPlug slings data to an Android or iOS app, and shoots updated meter information -- stored inside built-in memory -- as you come into range.

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It also makes cellular phones and the crucial SRAM (synchronous random access memory chips) that are used inside them.

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It will act like a memory box, with a sealed section inside where the victims' relatives will be invited to put an object that reminds them of their loved one.

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Votes are stored in duplicate, in a removable card locked inside the voting machine and in built-in semiconductor memory.

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Inside the brick are a fairly powerful microprocessor, a Bluetooth radio, a tinny speaker and enough memory to store a mingy 118 kilobytes of user programs.

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The Hewlett-Packard scientist behind the project, Phil Kuekes, said his next step would be to build a 16-bit memory chip in a tiny square--no more than 100 billionths of a meter inside.

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