COMPUTER SCIENCE AND ENGINEERING
SYSTEM SOFTWARE
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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 A proprietary operating system is ____ 
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  used by many different computer manufacturers 
 
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  similar to those of other manufacturers 
 
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  unique to a manufacturer 
 
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  properly configured to operate 
 
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 Explanation: 
Detailed explanation-1: -Generally, the proprietary OS or closed source OS is conceptualized, designed, developed and sold by a particular company and not meant to be tampered with or tweaked by users. Proprietary OS typically runs on name-brand vertically integrated switches.
Detailed explanation-2: -The unique functions of the operating system include process, device, I/O, files and memory management. The important types of operating systems are batch, multi-tasking, real-time, network and mobile operating systems.
Detailed explanation-3: -Hence, it can be concluded from the given points that Microsoft windows is an example of proprietary system software.
Detailed explanation-4: -The correct answer is Google Chrome.
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