01 — Core Function
Resource Management
Efficiently allocates and manages hardware resources — CPU time, RAM, and storage — so every process gets what it needs without starvation or conflict.
ITOS220-T · Course Overview
An operating system is the core software that bridges hardware and user. It manages CPU time, memory, storage, devices, and security — making every application you run possible.
Explore topics01 — Core Function
Efficiently allocates and manages hardware resources — CPU time, RAM, and storage — so every process gets what it needs without starvation or conflict.
02 — Interaction Layer
Provides a graphical or command-based interface, letting users interact with the machine intuitively — from desktops and shells to touch-first mobile UIs.
03 — Runtime Engine
Enables applications to run by scheduling processes, enabling multitasking, and ensuring compatibility between software and underlying hardware.