MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -This is according to a survey by NetmarketShare which has revealed that even though Windows 7 saw a drop in user base from 22.77 percent to 20.41 percent, yet it retained the second position. MacOS X 10.15 holds the third spot with 4.88 percent, followed by Windows 8.1 at 2.81 percent.

Detailed explanation-2: -Windows 7 boasts a variety of benefits, including application compatibility, a clean and simple user interface that resembled previous Windows versions, as well as performance and user experience improvements. The OS version offered enterprise-level features, like branch cache and direct access.

Detailed explanation-3: -Which windows Version is Fastest? Steady updates made this version the most widely adopted OS with over a billion users. With the exception of Windows 11, which slightly edges it out, Windows 10 is the fastest Windows OS/operating system to date and is still a great choice for almost every user.