Question

The core part of an operating system which is one of the first programs loaded on start-up and manages computer system resources is:
1. Memory management module
2. Shell
3. File management tool
4. Kernel

Answer 1

Correct Answer - Option 4 : Kernel

The correct answer is Kernel.

• The first program loaded on start-up and manages computer system resources is Kernel.
• A kernel is the central part of an operating system.
• It manages the operations of the computer and the hardware, most notably memory and CPU time.
• There are five types of kernels:
  • A microkernel, which only contains basic functionality
  • A monolithic kernel, which contains many device drivers
  • Hybrid Kernel
  • Exokernel
  • Microkernel

• Resources under the Operating System control:
  • The processor.
  • Main memory.
  • Input/Output Device.
  • Secondary storage devices.
  • Communication devices and ports.