IBM introduced its personal computer in:
A1991
B2001
C1981
D1971
Answer & Solution
Correct answer: C. 1981
1. Personal computers reached consumers in the early 1980s.
2. Sears and Radio Shack were among the retailers.
3. IBM's machine came in 1981.
_Source: OpenStax, Workplace Software and Skills, Ch 1 'Technology in Everyday Life and Business'_
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