Digital Electronics MCQs (Engineering) From Textbook

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Digital Electronics MCQs – Certification Test 797

Digital Circuits History Trivia (Question 797) – Study App & e-Book Download

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MCQ: 797

In 19th century, to perform logic operations vacuum tubes replaced

  1. switches
  2. transistors
  3. relays
  4. transformers

Digital Circuits History Placement Tests – Digital Electronics App & e-Book Trivia

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Digital Circuits History Trivia App (iOS & Android)

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