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