Note: your answers must be written in answer sheets, as well as your FULL student Part 1: Choose the best answer for each of the following 10 questions (20 points, 2 each]. 1. Which of the following functions exists not for helping the user but rather for ensuring the efficient operation of the system itself? (A) User interface (B) Program execution (C) Communication (D) Resource allocation 2. The processes that are residing in main memory and are ready and waiting to execute are kept on a list called: (A) Job queue 'B) Ready queue (C) Device queue (D) None of the above 3. Which of the following tasons is not for providing an environment that allows process cooperation? (A) Information sharing (B) Computation speedup (C) Scheduling (D) Convenience 4. The benefits of multithreaded programming can be broken down into four major categories, which of the following categories does not belong to the four major categories: (A) RPC (B) Resource sharing (C) Economy (D) Scalability 5. fork) returns (A) 0 in child process (B) 1 in child process (C) process id of parent in child process (D) process id of child in child process 6. Which of the following is true: (A) A process may contain multiple threads, but each thread belongs to only one process (B) The process ID of a zombie process can be reused by another process (C) If the memory usage of process A is twice the size as process B, then the latency of fork in process A is roughly twice as the latency of fork() in process B (D) Kernel-level threarts of the same process do not share the same memory 8. if the process can be moved during its execution from one memory segment to 10. Which phenomenon occurs when the processor spends most of its time in address space 7. Which scheduling algorithm has convoy effect? (A) SJF (B) Preemptive SJF (C) FCFS (D) RR another, the binding time should be: (A) Compile time (B) Load time (C) Execution time (D) None of the above 9. Page fault occurs when (A) The page is corrupted by application software (B) The page is in main memory (C) The page is not in main memory (D) One tries to divide a number by 0 swapping pages, rather than executing them? (A) Thrashing (B) Belady's Anomaly (C) Reentrancy (D) None of the above