COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Personal computer
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Simple mobile phone
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Mainframe
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Smartphone
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Detailed explanation-1: -Some examples of a multi-user OS are Unix, Ubuntu, MacOS, Windows and all Linux based OS. Multi-user operating systems were originally used for time-sharing and batch processing on mainframe computers.
Detailed explanation-2: -A multi-user operating system allows the permission of multiple users for accessing a single machine at a time. The various personal computers can send and receive information to the mainframe computer system. Thus, the mainframe computer acts as the server and other personal computers act as clients for that server.
Detailed explanation-3: -DOS is a single-user, single-tasking operating system with basic kernel functions that are non-reentrant: only one program at a time can use them, and DOS itself has no functionality to allow more than one program to execute at a time.
Detailed explanation-4: -It is of three types: time-sharing operating system, distributed operating system and multiprocessor system.