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WGU C191 Module 3: Memory Management Preliminary Test Exam Questions along with Certified Answers Latest updates 2024/2025 Consider a logical address with a page size of 8 KB. How many bits must be used to represent the page offset in the logical address? - correct answer 13 ________ allows the parent and child processes to initially share the same pages, but when either process modifies a page, a copy of the shared page is created. - correct answer Copy-on-write Consider a logical addr...

WGU C191 Indispensable Study Assessment Guide Exam Questions with all Questions Accurately Answered Updated 2024/2025 How is the array of logical blocks mapped onto the hard disk? - correct answer onto the sectors of the disk sequentially What is the average latency of a typical hard disk? - correct answer 3 milliseconds What is the rate at which data flows from the hard disk to the computer? - correct answer Transfer What is a benefit of creating a separate raw partition for use as ...

WGU C191 Home Study Thorough Review and Complete Answers Ace your first Attempt Updated 2024/2025 Interrupt - correct answer A hardware signal indicating that the hardware needs servicing (or attention). Blocking: I/O - correct answer When an application issues a blocking system call, the execution of the application is suspended. The application is moved from the operating system's run queue to a wait queue. After the system call completes, the application is moved back to the run queu...

WGU C191 Practice Study Guide Questions with Distinction level Marking scheme version 2024/2025 Interrupt handler - correct answer kernel function, invoked whenever an interrupt occurs determines the cause of the interrupt and invokes the appropriate kernel function to provide the response Moore's Law - correct answer number of transistors in an integrated circuit doubles every two years 1st generation computers - correct answer Vacuum tubes OS type: none Characteristics: pr...

WGU C191 Module 4 Post Assessment Actual Final Exam Questions with all Questions Accurately Answered 2024/2025 to use a disk to hold files - correct answer the OS needs to record its own data structures on the disk using partition, logical formatting, or clusters partitions - correct answer partition the disk into one or more groups of cylinders, each treated as a logical disk logical formatting - correct answer "making a file system" clusters - correct answer to increase effic...

WGU c191 chapter one Fundamentals of operating system Knowledge test Exam Toolkit Questions and Verified Marking Scheme 2024/2025 System Call - correct answer A request from an application to the OS for a service. It's implemented as a library function that prepares parameters and issues a supervisor call. Supervisor Call - correct answer -known as Kernel call- a privileged instruction that transfers control to a specific location within the OS kernel. It acts as the interface between t...

WGU C191 Module 5 Protection and Security Study guide Exam Questions with Key Marking Scheme Updated 2024/2025 A fragment of code embedded in a legitimate program - correct answer Virus In the UNIX operating system, a domain is associated with the ____. - correct answer user The most common method used by attackers to breach security is ____. - correct answer masquerading A code segment that misuses its environment is called ____. - correct answer a Trojan horse In an access matri...

WGU C191 Module 2 Process Management Key Exam Guide Questions and Integral Marking Scheme version 2024/2025 When priority scheduling results in a process that is ready to run but waiting for the CPU - correct answer Starvation The scheme by which a many-to-one or many-to-many system schedules user-threads - correct answer PCS The ____ of a process contains temporary data such as function parameters, return addresses, and local variables. - correct answer stack When a child process is...

WGU C191 Module 1: Introduction to Operating Systems Problem set Exam Questions with all answers Correctly provided Latest 2024/2025 Which of the following statements is incorrect? - correct answer Operating systems provide both command line as well as graphical user interfaces. The two separate modes of operating in a system are - correct answer user mode and kernel mode _____ is/are not a technique for passing parameters from an application to a system call. - correct answer Cache mem...

WGU C191 - Chapter 7,8 & 9 Problem set study Exam Questions and Correct Answers Guaranteed Success 2024/2025 advantages of virtual memory - correct answer only part of program needs to be in memory for execution --> logical address space > physical address space allows address spaces to be shared by multiple processes --> less swapping allows pages to be shared during fork (), speeding process creation page fault - correct answer results from the first time there is a refe...