Operating System OS161 Which of the following cause(s) an interrupt? a) Division

Question

Operating System OS161

Which of the following cause(s) an interrupt? a) Division by Zero b) System Call c) I/O Instruction d) All of the above Which of the following is incorrect? a) While processing an interrupt, all lower-priority interrupts are disabled b) While processing an interrupt, the system is in monitor mode c) The device driver raises an interrupt when an I/O operation is complete d) Imminent power failure causes a high-priority interrupt Which of the following is NOT part of a process's address space? a) Data Segment b) Global Variables c) Heap d) The value of the stack pointer

Explanation / Answer

[1] [D] All of the above

Reason : Division by Zero is an arithmeticexception

Ststem Call Stop the execution or current activity

I/O Instruction return from program and casue for interrupt.

[2] [C]

Reason : Interrupt is a signal from a device that requires the operating system to stop and figure out what to do next.

[3] [B] Global Variables

[4] [C] Time expires

Reason : A process moves into the running state when it is chosen for execution.

[5] [D]

Registers (contains reference data) --> Cache Memory (To freq. access data) --> Disk --> RAM (Main memory in MotherBoard)

[6] [D]

Reason : SYSCALL invokes an OS system-call handler at privilege level 0.  

Related Questions

Navigate

• Browse (All)
• Browse O
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.