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______ is the core of the operating system. It provides basic services to all other parts of the operating system.
1. Control unit
2. Driver
3. Shell
4. Kernel

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Correct Answer - Option 4 : Kernel

The correct answer is Kernel.

  • The kernel is the heart of the Operating System, which allocates time and memory to programs, handles communication and file storage.
  • Shell is the interface between the user and the kernel.
  • The kernel is a computer program that acts as the core of the computer's operating system and has control over everything in the system.

  • 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

  • The Control Unit of the computer is called the nerve centre of the computer. 
    • The brain of the computer is called the CPU.
    • CPU stands for Central Processing Unit.
  • Driver or hardware driver is a group of files that enable one or more hardware devices to communicate with the computer's operating system.

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