Disk Operating System (DOS) Question:
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In which year the first operating system was developed?

a. 1910
b. 1940
c. 1950
d. 1980

Answer:

c. 1950

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An entire path name, consisting of several sub-directory names can contain upto:

a. 13 character
b. 36 character
c. 63 character
d. 53 character		MS-DOS developed in:

a. 1991
b. 1984
c. 1971
d. 1961