Operating System Explained: Roles, Interfaces, Multitasking, and 32-bit vs 64-bit | Funifytools

The OS is the invisible manager that bridges hardware and software, allocating CPU, memory, storage, and I/O.

It provides CLI/GUI interfaces, abstracts device details, and loads/runs programs end to end.

Multitasking is achieved via time-slicing, letting multiple apps appear to run simultaneously.

32-bit (~4GB RAM limit) vs 64-bit (vast memory, better efficiency/security); modern systems are effectively 64-bit.

OS history spans Unix → MS-DOS/Windows → Linux/open source → iOS/Android, and today virtualization lets multiple OSes run on one machine.




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[ View in Korean ] | [ View in English ]

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