IBM's 1,121-Qubit Condor Processor: Quantum Volume & Architecture Deep Dive
Published Jul 31, 2026 ยท QuizBuzz Editorial Team
Test your knowledge on IBM's Condor processor, its architecture, and its implications for quantum volume and scalable quantum computing.
โ 10 Questions
โฑ๏ธ 5 Minutes
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Question 1 of 100 correct
โฑ๏ธ 05:00
QUESTION 1
What is the qubit count of IBM's Condor processor, and what type of qubits does it use?
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What is the qubit count of IBM's Condor processor, and what type of qubits does it use?
- A. 1,121 superconducting transmon qubits
- B. 1,121 trapped-ion qubits
- C. 1,121 photonic qubits
- D. 1,121 silicon spin qubits
Which quantum volume milestone did IBM announce alongside the Condor processor's unveiling in 2023?
- A. Quantum Volume 128
- B. Quantum Volume 256
- C. Quantum Volume 512
- D. Quantum Volume 1024
What is the primary architectural innovation in Condor's qubit layout compared to earlier IBM processors like Eagle (127 qubits) and Osprey (433 qubits)?
- A. Introduction of 3D qubit stacking
- B. Use of a hexagonal lattice with tunable couplers
- C. Adoption of a square lattice with cross-resonance gates only
- D. Integration of cryogenic CMOS control electronics on-chip
Why does increasing qubit count alone not guarantee higher Quantum Volume?
- A. Quantum Volume is defined solely by qubit count
- B. Quantum Volume depends on circuit depth, gate fidelity, connectivity, and error rates, not just qubit number
- C. Quantum Volume only applies to photonic quantum computers
- D. Quantum Volume decreases after 500 qubits due to thermal noise
What is the significance of Condor's 1,121 qubits in the context of quantum error correction (QEC)?
- A. It enables immediate fault-tolerant quantum computing with surface codes
- B. It provides enough physical qubits to encode a single logical qubit with distance-5 surface code
- C. It allows experimental implementation of small logical qubits and QEC cycles, but not yet fault tolerance
- D. It exceeds the threshold for magic state distillation at scale
Which of the following best describes the role of tunable couplers in the Condor processor?
- A. They replace transmon qubits to reduce decoherence
- B. They enable dynamic control of qubit-qubit interactions, reducing frequency crowding and crosstalk
- C. They allow direct microwave-to-optical transduction
- D. They implement quantum error correction in hardware
How does IBM define the relationship between Quantum Volume and its quantum roadmap milestones (e.g., Eagle, Osprey, Condor)?
- A. Each new processor must double the Quantum Volume of the previous one
- B. Quantum Volume is tracked separately and not tied to specific processor launches
- C. Quantum Volume targets are set per generation, but not every processor is measured for QV
- D. Quantum Volume is only measured on the largest processor each year
What is a key challenge in scaling superconducting processors to 1,000+ qubits that Condor's design addresses?
- A. Eliminating the need for dilution refrigerators
- B. Managing frequency allocation and crosstalk in dense qubit arrays
- C. Achieving room-temperature operation
- D. Replacing microwave control with optical control
Which of the following statements about Quantum Volume 512 is accurate?
- A. It was achieved on the 1,121-qubit Condor processor
- B. It requires at least 512 physical qubits
- C. It means the system can successfully run 512-qubit circuits of depth 512
- D. It was demonstrated on a 27-qubit Falcon processor with high fidelity and connectivity
What is the next major milestone in IBM's quantum roadmap after Condor (1,121 qubits)?
- A. Flamingo: 1,386 qubits with quantum links
- B. Kookaburra: 4,158 qubits with modular architecture
- C. Heron: 133 qubits with tunable couplers
- D. Crossbill: 408 qubits with 3D integration
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QuizBuzz Editorial Team
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