electrical relay :

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electrical relay


  • n  electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
News & Articles

  • The term computer 'bug' can be literal
    [...] I opened the computer, peered inside and immediately noticed a real bug - a large, dead scorpion with several of its legs straddling electrical contacts on a circuit board. Hopper was an expert at programming Harvard University's Mark II computer, which used old-fashioned electrical relays instead of today's electronic circuits to solve equations. The notebook with this infamous computer ...
    Sept. 13, 2013 - San Antonio Express-News
  • Computer “bugs” are sometimes real
    [...] I opened the computer, peered inside and immediately noticed a real bug — a large, dead scorpion with several of its legs straddling electrical contacts on a circuit board. Hopper was an expert at programming Harvard University's Mark II computer, which used old-fashioned electrical relays instead of today's electronic circuits to solve equations. The notebook with this infamous computer ...
    Sept. 13, 2013 - San Antonio Express-News

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