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Quantum cellular automaton - Quiz
Contributed by: Kay
  • 1. Who introduced the first formal model of quantum cellular automata to be researched in depth?
A) Craig Lent
B) Reinhard Werner
C) David Meyer
D) John Watrous
  • 2. Why was the first wave of quantum cellular automata models considered to be defined too loosely?
A) They cannot simulate quantum circuits
B) They are only compatible with CMOS technology
C) They fail to simulate classical gas dispersion
D) They allow superluminal signalling
  • 3. How do modern models of quantum cellular automata picture themselves?
A) As an infinite series of independent classical bits
B) As a large quantum circuit repeating across time and space
C) As a single static quantum gate
D) As a purely classical simulation on quantum dots
  • 4. What is the primary motivation for the models proposed by David Meyer, Bruce Boghosian, and Washington Taylor?
A) Developing CMOS technology
B) Standardizing superluminal signalling
C) Simulating quantum lattice gases
D) Replacing classical computation with quantum dots
  • 5. Who provided criteria to determine when a QCA can be described as a quantum lattice gas automaton?
A) Pablo Arrighi and Vincent Nesme
B) John Watrous and Wim van Dam
C) Asif Shakeel and Peter Love
D) Doug Tougaw and Craig Lent
  • 6. What technology did Doug Tougaw and Craig Lent propose to replace with quantum dot cellular automata?
A) Quantum lattice gas automata
B) Vacuum electromagnetic fields
C) CMOS technology
D) Fermionic cellular automata
  • 7. What is the primary difference between the proposal by Tougaw and Lent and models that perform quantum computation?
A) Tougaw and Lent are superluminal
B) Tougaw and Lent do not use quantum dots
C) Tougaw and Lent use only fermionic cells
D) Tougaw and Lent perform classical cellular automata
  • 8. What is the simplest version of a Fermionic Cellular Automaton mentioned in the text?
A) Dirac QCA
B) Lattice gas QCA
C) Weyl QCA
D) CMOS-based QCA
  • 9. What does the massless version of a Dirac QCA, the Weyl QCA, reproduce?
A) The behavior of CMOS circuits
B) The stability of the free Dirac vacuum
C) The dispersion of classical gases
D) The dynamics and statistics of the electromagnetic field in vacuum
  • 10. What remains a significant problem in the modeling of Dirac QCAs?
A) Calculating low-momentum regimes
B) Integrating with CMOS technology
C) Defining superluminal signalling
D) Defining a stable free Dirac vacuum
  • 11. Which researchers are part of the second wave of QCA models that do not suffer from locality issues?
A) John Watrous and Huong LêThanh
B) Susanne Richter and Reinhard Werner
C) Asif Shakeel and Peter Love
D) Doug Tougaw and Craig Lent
  • 12. What is a major advantage of quantum dot cellular automata in nanofabrication?
A) Ultra-low power consumption
B) Higher thermal output
C) Increased CMOS voltage
D) Simplified programming languages
  • 13. What physics-like symmetry requires that a cell's next state depends only on its neighbors?
A) Universality
B) Homogeneity
C) Reversibility
D) Locality
  • 14. Which researcher suggested an initial approach to quantizing cellular automata in 1982?
A) David Deutsch
B) Richard Feynman
C) Gerhard Grössing
D) John von Neumann
  • 15. Who presented a formal development of quantum cellular automata in 1985?
A) David Deutsch
B) Richard Feynman
C) John von Neumann
D) Gerhard Grössing
  • 16. What is the physical size of quantum dot cellular automata features?
A) Microscopic scale
B) Molecular or atomic scale
C) Centimeter scale
D) Millimeter scale
  • 17. In the context of quantum cellular automata, what are the computing devices called?
A) Cells
B) Bits
C) Nodes
D) Units
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