Multiple choice

Unix was first installed in

  1. IBM - 360

  2. PDP/11

  3. PDP/7

  4. CRAY
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Unix was first developed on and installed on the PDP/7 in 1969, then rewritten for the PDP/11 in 1971-1972. The PDP/11 version became the foundation for later Unix development. IBM-360 and CRAY were mainframe/supercomputer architectures unrelated to early Unix.

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