Quantum computing in brief - what is it?

Computer have our life and our everyday life so much as before only the discovery of the steam engine or electricity. With Quantum Computers but there is currently a similar technical revolution in the wings. 

The quantum theory and quantum mechanics underlying quantum computers were discovered and described over 100 years ago by famous scientists such as Max Planck, Niels Bohr and Werner Heisenberg. The most important key point is that the smallest elements and particles of our universe are subject to different laws than we can observe in everyday life. This is one of the main reasons why quantum mechanics and quantum computers seem so incredible and elusive to us: they contradict everything we are used to through our daily experience. 
Quantum computing is one of the first applications that can profitably harness the insights of quantum mechanics for a variety of different people. The peculiarities of the laws of physics at the quantum level make the construction of such a quantum computer extremely difficult. However, they also ensure that it can be incredibly powerful  

This is why quantum computers are so revolutionary

The problem with normal computers is that they have to execute each instruction of an algorithm one after the other. This limits the computing power and ensures that complex processes require more computing time. In recent decades, this bottleneck has been at least partially bridged by the introduction of processors with multiple cores. However, this still does not allow all problems to be solved in parallel  
Quantum computers, on the other hand, can process many variables and values simultaneously due to their unique design based on quantum mechanics. This allows them to solve operations that would take a normal computer hundreds of thousands of years. At the same time, quantum computing works in a completely different way than anything we know so far. This can be well illustrated by a simple example: 
A typical task for computers and databases is to ask them for a specific entry. If you have a list of 10 names and details with information about these people and you are looking for the entry for Max Mustermann, a normal computer will go through all the entries until it finds the matching one. Of course, there are numerous little tricks to speed up the search. In the end, the principle of going through data one by one remains the same. A quantum computer, on the other hand, can call up all the entries simultaneously and then closes those that do not match the entry 'Max Mustermann'. It is obvious that quantum computing therefore works many times faster than the conventional approach, especially with large amounts of data. 
These advantages are also likely to make themselves felt in digital marketing: Even more precise data evaluation creates comprehensive customer profiles that can be used for targeted addressing and evaluation of the entire customer journey. 

See the entire blog series "How Quantum Computers Will Revolutionize Digital Marketing" here.

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