Rajasthan Police Constable 13 May 2022 Shift 1

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Question : 53 of 150
 
Marks: +1, -0
Match the correct: 
 
the product
 
Company/Type
a.
Z/OS
i.
Apple
b.
Windows 98
ii.
IBM Machine Operating System
c.
Redhat
iii.
NT Technology
d.
iOS
iv.
Linux operating system
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