Operating Systems. To be discussed…. Definition of OS Functions of OS Structure of Operating System Types of Operating System. Operating System. Operating System is a software, which makes a computer to actually work. It is the software the enables all the programs we use.
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An operating system performs basic tasks such as:
Software (Operating System)
Hardware consists of CPU, Main memory, I/O Devices, etc,
Software includes process management routines, memory management routines, I/O control routines, file management routines.
This layer consists of compilers, Assemblers, linker etc.
This is dependent on users need. Ex. Airline reservation system, Bank database management etc.
User program area
Operating System can also be classified as:-
which run on standalone systems where no user accounts are