Multiple choice technology operating systems 12 What is a shared memory 1 A memeory shared between kernel & devices 2 A memory shared between root user and ordinary user 3 A memory shared across processes 4 Harddisk Reveal answer Fill a bubble to check yourself C Correct answer Explanation Shared memory is an Inter-Process Communication (IPC) mechanism that allows multiple processes to access the same segment of physical memory, providing a fast way to exchange data without copying it between processes.