Multiple choice technology programming languages

What is a system call()

  1. A request by the users to access kernel functions

  2. A request by kernel to the device

  3. A request by the device to kernel

  4. None

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A Correct answer
Explanation

A system call is a mechanism for user programs to request services from the operating system kernel. It acts as an interface between user space and kernel space, allowing applications to access protected resources and operations like file I/O, process creation, and hardware interaction.