Question

Which exception is also known software interrupt ?
A. Trap
B. Call
C. System Call
D. All of above

Answer 1

System call is the correct answer.

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Answer 2

The trap is the exception also known as a software interrupt.

• When something happens that does not specify in the rule then that is called an exception.

• The execution of the program met a sudden stop by the software interrupt.
• The trap interrupt automatically generates an exception situation.
• The programmer uses the trap whenever wants to enter a supervisor mode.
• Option(A) Trap is correct.