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Question

IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?

a.

MS-DOS

b.

PC-DOS

c.

OS/360

d.

CP/M

Posted under Operating System

Answer: (d).CP/M

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Q. IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?

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