What is the purpose of system calls, and how do system calls relate to the OS and to the concept of dual-mode (kernel-mode and user-mode) operation?

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Computers and Technology

Kimberly

Yesterday, 13:34

What is the purpose of system calls, and how do system calls relate to the OS and to the concept of dual-mode (kernel-mode and user-mode) operation?

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Andre Hancock · Answer 1

With the use of API.

Explanation:

The computer system is an electronic device that comprises of the interaction of the hardware and software components of its system. The software component of the system controls all activities of the hardware and other application software interface.

The operating system is that software in the system that controls all system activities. It uses the kernel interface to connect directly to the hardware and create a platform for running application or user softwares.

The user software is used to run one specific task on the system. Sometimes, it seeks to kernel mode from the operating system, to use a hardware component, by the use of API or application program interface.