Which of the following is NOT an emerging technology?

AArtificial Intelligence

BQuantum Cryptography

C3-D Holographic Imaging

DComputer based on vacuum tubes ✓ Correct

Correct answer: (D) Computer based on vacuum tubes

Explanation

A computer based on vacuum tubes is old first generation technology, not an emerging one.

Artificial intelligence is an emerging technology enabling machines to learn and decide.

Quantum cryptography is an emerging technology for highly secure communication.

3-D holographic imaging is an emerging technology producing three dimensional visuals.

Vacuum tube computers were bulky, generated heat and became obsolete long ago.

Emerging technologies are new and rapidly developing rather than outdated.

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