CSC 3304 Test 2 Practice Test: Operating Systems Concepts, Exams of Computer Science

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• CSC 3304 Test 2 Practice Test

Which of the [allowing best describes a system call? A function that interacts directly with user applications A function thal requests a service [rom the operating system kernel A function that is exclusive to Windows operating systems A function that executes in user mode only Zp Which of the following best describes the purpose of file descriptors in operating toms? A) They are used to manage memory allocation. 13) They serve as references to open files, C) They are exclusively used for proccss management, 1D) They are a type of system call. om Which of the following file descriptors are typically open when a new process is created in Linux? (A) only standard input (B) only standard outpul (C) only standard error (1D) all of the above 4, Explain the primary function af a pipe in Bash, What does il achieve in terms of data flow between commands? It allows commands to run in parallel without sharing data.