MCQ practice · SSC ICT Board questions · Chapter 1: Information and Communication Technology and Our Bangladesh
When was MS-DOS developed?
Think it through first, then pick an option.
- a In 1981
- b In 1982
- c In 1983
- d In 1984
Answer and explanation
Correct answer: a In 1981
The book says IBM gave Microsoft the OS job in 1981, and MS-DOS was developed.
Why the other options are wrong
- b In 1982: The book does not say 1982; the job and MS-DOS date to 1981.
- c In 1983: 1983 is not in the book; MS-DOS belongs to 1981.
- d In 1984: 1984 is Zuckerberg's birth year; MS-DOS dates to 1981.
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