University College London Develops Crash Free Computer

In a quest to find a solution for computer crashes, University College London (UCL) scientists took a clue from the chaos of nature to make a computer that reprograms itself whenever it encounters a fault. This self repairing computer has been named as “Systemic" computer and is currently operating at the university.

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As you are aware regular computers use a sequential set of instructions and a  program counter keeps tracks of these instructions. This method of computing is good for number crunching purposes but in multi-tasking situations this causes trouble.  So UCL computer scientists Peter Bentley and Christos Sakellariou developed a computer where the data is combined with its instruction and a pseudorandom number generator, designed to mimic nature's randomness gets the job to decide which instruction will execute.  Coming to the most crucial part the systemic computer, it contains multiple copies of its instructions distributed across systems. This means that if one system gets corrupted the computer it can access another piece of clean code to repair itself. Regular computers crash because they cannot access memory space but a systemic computer does not as each system carries its own memory.

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