Tip:A–D to answerE for explanationV for videoS to reveal answer
Occurrence of an event is usually signaled by interrupt from software by actuating special operation called-
- A.
system call
(Correct Answer) - B.
Bootstrap program
- C.
Service routine
- D.
interrupt vector
Correct Answer: system call
Explanation
Solution
1. Identifying the Operation: A software-triggered interrupt is specifically known as a System Call.
2. Reason for Selection:
-
System call: This is the method used by a process to request a service from the operating system's kernel.
-
Bootstrap program: Used only during the booting process to load the OS.
-
Service routine: This is the handler (ISR) that runs after the interrupt is signaled.
-
Interrupt vector: A table containing the addresses of interrupt handlers.
Correct Option: (a)
