evaluate the arithmetic statement X={(A-B)*(C+D+E)} using Zero and One address instructions
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An operating system is a software programme required to manage and operate a computing device like smartphones, tablets, computers, supercomputers, web servers, cars, network towers, smartwatches, etc. ... It is a layer of graphical user interface (GUI), which acts as a platform between the user and the computer hardware.
Operating systems contain and manage all the programs and applications that a computer or mobile device is able to run, which means managing the device's software and hardware functions. The functions of an OS include: ... Data security: A good OS includes features that keep your data safe and computer programs secure.
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