IT Study
Section-one-quiz
Theory Vault
Free Notes
Subjective
One Line
Syllabus
Past Papers
MCQ Practice
Institutes
0 day streak
Sign in
Home
Institutes
Unknown Institution
General Practice | Set 17
Unknown Institution
Part null
1:00:00
Q1 / 50
0 answered
Unknown Institution
Part null
1:00:00
Shift+Enter to finish
1.When did IBM released the first version of its disk operating system DOS version 1.0 ?
A
1
a. 1981
B
2
b. 1982
C
3
c. 1983
D
4
d. 1984
Search Google
Previous
+40
1 / 50
Next