Wgu c191 - Study guides, Class notes & Summaries

WGU 191 Chapter 7 and 8 on Virtual and Main Memory Exam Review Questions and A Level Marking Scheme Latest 2024/2025 Interrupt driven - correct answer When the CPU does not poll the control bit, but rather gets an interrupt signal Buddy-system/power-of-2-allocator - correct answer Allocates memory from a fixed-size segment consisting of physically contiguous pages via units sized as a power of 2(or rounded up to the next as needed). Buddy - correct answer When a larger memory block is d...

QUESTIONS AND ANSWERS

Control Program manages the execution of user programs to prevent errors and improper use of the computer computer system A four-part system consisting of hardware, software, data, and people that performs four basic actions: input, output, processing, and storage. Kernal The part of the operating system that is running at all times on a computer. Middleware Several different types of software that sit between and provide connectivity for two or more software applications Direct Memory...

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 Test Exam Review Questions with all Answers verified for accuracy Updated 2024/2025 A _________________ saves the state of the currently running process and restores the state of the next process to run. - correct answer context switch A process may transition to the Ready state by which of the following actions? - correct answer Completion of an I/O event Awaiting its turn on the CPU Newly-admitted process A blocking send() and blocking receive() is known as a(n) ___________...

What is the role of the OS? - To manage a computer's hardware Which OS service provides functions that are helpful to the user? - Program execution Which OS service provides functions that are helpful to the user? - Program execution Which system call is used for device manipulation? - ReadConsole() Which system calls can be grouped under the category of process controls? - Allocate, free memory Which service function is responsible for identifying and correcting exceptions such as the la...

C191 WGU Pre Assessment (NEW). Questions and answers, 100% Accurate, VERIFIED 2024

WGU C191 MODULE 4 Latest Update Graded A Network Attached Storage (NAS) A storage made available over a network rather than over a local connection (such as a bus) - NFS and CIFS are common protocols - Implemented via remote procedure calls (RPCs) - SCSI protocol uses IP network to carry the SCSI protocol Socket A connection point via which an OS communicates with a device PCI bus The common system bus connecting the process-memory subsystem to fast devices Interrupt The hardware mechani...

In what way is an operating system like a government? - Answer-It creates an environment within which other programs can do useful work. A _____ is an example of a systems program. - Answer-command interpreter ____ operating systems are designed primarily to maximize resource utilization. - Answer-Mainframe If a program terminates abnormally, a dump of memory may be examined by a ____ to determine the cause of the problem. - Answer-debugger A message-passing model is ____. - Answer-easier ...