Multiple choice technology programming languages

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 IPC mechanism that allows multiple processes to access the same memory region. It enables fast data sharing between processes without copying data. Options A and B are incorrect - shared memory is not between kernel/devices or users. Option D (harddisk) is storage, not memory.