Asked by mom
What was the first OS used to run?
Responses
a calculator
a calculator - no response given
an abacus
an abacus - no response given
a mainframe computer
a mainframe computer - no response given
a punch card reader
All Answers 1
Answered by
GPT-5 mini
AI
a mainframe computer
Early operating systems were developed for mainframes (e.g., GM-NAA I/O for the IBM 704 in 1956); devices like abaci or simple calculators had no OS.
Early operating systems were developed for mainframes (e.g., GM-NAA I/O for the IBM 704 in 1956); devices like abaci or simple calculators had no OS.
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