Which one of the following is the first second-generation computer ?
Correct answer: C. IBM 7090
- A. IBM 801
- B. IBM 7070
- C. IBM 7090
- D. All of the above
Explanation
The IBM 7090 was a transistorized computer introduced in 1959 and is commonly cited as an early second-generation computer. IBM 801 was a later reduced-instruction-set research machine, and the listed alternatives are not all correct.
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