प्रथम आईबीएम पर्सनल कंप्य� – McqOptions

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1.	प्रथम आईबीएम पर्सनल कंप्यूटर की शुरुआत किस तारीख को हुई थी?
A.	12 अगस्त 1981
B.	21 जनवरी 1979
C.	21 अगस्त, 1980
D.	12 जनवरी, 1982
Answer» B. 21 जनवरी 1979

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