Which of the following is false for Quantum Turing machine?

• A. Abstract machine
• B. Any quantum algorithm can be expressed formally as a particular quantum turing machine
• C. Gives a solution to ‚Äö√Ñ√∂‚àö√ë‚àö‚â§Is a universal quantum computer sufficient‚Äö√Ñ√∂‚àö√ë‚àö¬•
• D. None of the mentioned