Question

Which of the following is the core of an operating system?
1. Ventura
2. Kernel
3. Xenix
4. Device Driver

Answer 1

Correct Answer - Option 2 : Kernel

The correct answer is Kernel.​

• The kernel is an essential center of a computer operating system.
• It is the core that provides basic services for all other parts of the operating system. 
• It is the main layer between the OS and hardware.
• Kernel helps in the process and memory management, file systems, device control, and networking.
• It is the first program after bootloader which is loaded and controls everything in the OS.
• It acts as an interface between application and hardware.
  It is responsible for memory management.
• There are five types of the kernel:
  • A microkernel
    • It only contains basic functionality
  • A monolithic kernel.
    • It contains many device drivers
  • Hybrid Kernel
  • Exokernel
  • Microkernel