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Computers And Electronics questions and answers

2,095 answers, newest first (page 45).

What was the first PDA phone? IBM Simon explained

The IBM Simon Personal Communicator is widely recognized as the first PDA phone. Released in August 1994, it combined cellular voice calling with touch-input productivity apps like calendar and fax.

What happens if acetone touches gold?

Acetone does not react with pure gold and will not damage it. However, it can harm gold jewelry by weakening alloys, dissolving adhesives, or damaging gemstones and platings.