Deep dive into the heart of the machine. Understanding processes, memory, scheduling, and how software talks to hardware.
Definition, No-OS Scenario (Instagram vs BGMI), Resource Management functions, and the Kernel's role.
The lifecycle of a process, Context Switching, Multi-threading vs Multi-tasking, and User vs Kernel Threads.
Understanding the core components of an Operating System and how user applications communicate with the kernel.
The lifecycle of a computer starting up, CPU architectures, and the storage hierarchy (Registers, Cache, RAM).
Process lifecycle, PCB structure, memory architecture (Stack, Heap), and state transitions.
Memory swapping (MTS), state save/restore overhead, and Orphan/Zombie process dynamics.
FCFS, SJF algorithms, Convoy effect, and core metrics (TAT, WT, AT).
Critical Section, Race Conditions, Aadhaar Database example, and Multi-threading benefits.