Operating System mcq questions With Answer | OS Question | Computer Fundamental

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays. Processing time requirements (including any OS delay) are measured in tenths of seconds or shorter increments of time.

Multitasking, in an operating system, is allowing a user to perform more than one computer task (such as the operation of an application program) at a time. The operating system is able to keep track of where you are in these tasks and go from one to the other without losing information.
MS DOS does not implement the multitasking.

Microsoft Windows XP Professional x64 Edition, released on 25^th April 2005, is an edition of Windows XP for x86-64 personal computers. It is designed to use the expanded 64 bit memory address space provided by the x86-64 architecture.
The primary benefit of moving to 64 bit is the increase in the maximum allocatable random-access memory (RAM).

It is the mechanism of associating an incoming request with a set of identifying credentials. The credentials provided are compared to those on a file in a database of the authorized user's information on a local operating system or within an authentication server.

Windows 2000 is a major release of the Windows NT operating system developed by Microsoft and oriented towards businesses. It was the direct successor to Windows NT 4.0, and was released to manufacturing on 15^th December 1999, and was officially released to retail on 17^th February 2000.

It is the main hub for configuring Windows 2000 network services. Windows 2000 is a major release of the Windows NT operating system developed by Microsoft and oriented towards businesses.

My Computer is a Microsoft Windows feature first found in Windows 95 and included with all later versions that allows you to explore and manage the contents of your computer drives.

Windows 8 drew criticism from a lot of PC users for Microsoft's decision in removing the Start button. With no option to bring it back, users are forced to bring up the new Start screen by pressing the Windows key on your keyboard or by clicking the bottom left corner of your screen.

Still, numbers for server use of Windows (that are comparable to competitors) show one third market share, similar to that for end user use. As of October 2021, the most recent version of Windows for PCs and tablets is Windows 11, version 21H2. The most recent version for embedded devices is Windows 10, version 21H1.

Windows 3.1 is the GUI-based operating system from Microsoft that made personal computers easier and more fun to use. In 1992, Microsoft released Windows 3.1, which included additional enhancements and utilities.