A switch to kernel mode, wherein the operating system performs some action before returning control to the originating process is known to be called trap.
<h3>What is TRAP in computing?</h3>
A trap is known to be a kind of a synchronous interrupt triggered that is said to be done by an exception in that of a user process to carry out functionality.
Note that the Exception conditions such as invalid memory access, division by zero, is said to be one that can alter or trigger a trap in an OS. A trap alters the mode of an OS to that of a kernel routine.
Hence, A switch to kernel mode, wherein the operating system performs some action before returning control to the originating process is known to be called trap.
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