इस ऑपरेटिंग सिस्टम को अमेरिकी कंपनी माइक्रोसॉफ्ट द्वारा विकसित किया गया था।
This operating system was developed by an American company Microsoft ................ .
A)
B)
C)
D)
Explanation:
The correct answer is:
(B) Windows
Windows operating system was developed by the American company Microsoft.