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Answer Posted / miss. clever
a trap is a type of synchronous interrupt typically caused
by an exceptional condition (e.g., breakpoint, division by
zero, invalid memory access). A trap usually results in a
switch to kernel mode, wherein the operating system performs
some action before returning control to the originating
process.
Trapdoor is a secret undocumented entry point into a
program used to grant access without normal methods of
access authentication.
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