GK Question

technology medium mcq

Which error correction approach is critical for building fault-tolerant quantum computers?

  1. Classical Redundancy
  2. Quantum Error Correction Codes
  3. Increased Qubit Count
  4. Faster Gates

Answer: Quantum Error Correction Codes

QEC codes (surface code, Shor code) encode logical qubits across multiple physical qubits to detect/correct errors. Requires significant overhead but essential for scalable quantum computation.

Topic Quantum Computing
Exam Relevance UPSC, Banking, SSC