ANSWER ALL THE QUESTIONS BELOW WITH THE CORRECT ANSWER Which of the following te

Question

ANSWER ALL THE QUESTIONS BELOW WITH THE CORRECT ANSWER

Which of the following technique is not used for I/O operations? (A) Programmed I/O (B) Interrupt-driven I/O (C) Direct Memory Access (D) Peripheral polling I/O (E) None of the above Which of the following defines the system call interface to operating systems and hardware resources? (A) ABI (B) ISA (C) API (D) HLL (E) None of the above If more than one user or program attempts to make use of a shared resource at the same time, it may cause the error of (A) improper synchronization (B) failed mutual exclusion (C) nondeterminate program operation (D) deadlock (E) All of the above A collection of one or more threads and associated system resources is tailed (A) Process (B) Multi-thread (C) Task (D) Job (E) None of the above The error-correction techniques in RAID disks uses the method of (A) spatial redundancy (B) temporal redundancy (C) information redundancy (D) physical redundancy (E) All of the above A copy of an application's state saved in some storage to be immune to the future failure is called (A) process isolation (B) virtual machine (C) checkpoints (D) concurrency control (E) None of the above Which of the following is not supported in Windows operating systems? (A) HAL (B) SMP (C) RPC (D) ALPC (E) None of the above

Explanation / Answer

14) Answer: D -->Peripheral polling I/O

15) Answer:A --> ABI

16) Answer:B--> failed mutual exclusion (It permits only one user or program attempts to make use of a shared resource at the same time)

17) Answer:A --> Process

18) ANswer:A --> Information redundancy

19) Answer:C --> checkpoints

20) Answer: E ->None of the above

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