Cpu scheduling Study guides, Class notes & Summaries

CompTIA Cloud+ CV0-002 Practice Questions with 100% Correct Solutions A new browser version has been deployed to all users at a company. After the deployment, users report that they can no longer access the company's secure time-card system, which is hosted by a SaaS provider. A technician investigates and discovers a security error is received upon opening the site. If the browser is rolled back to the older version, the site is accessible again. Which of the following is the MOST li...

537 First Half Exam Review A proportional share / fair share scheduler: instead of optimizing for ___________________________, the scheduler might instead try to guarantee that ________________________________________. - ANS-turnaround or response time, each job obtains a certain percentage of CPU time Lottery scheduling is ______________, not _______________________ - ANSprobabilistic, not deterministic High level outline of lottery scheduling? - ANS-- scheduler knows how many total t...

WGU C191 MODULE 2 Latest Update Graded A Temporary data such as function parameters, return addresses, and local variables. What does a stack contain? 1. The parent continues to execute concurrently with its children. 2. The parent waits until some or all of its children have terminated. 3. The child process is a duplicate of the parent process (it has the same program and data as the parent). 4. The child process has a new program loaded into it. When a parent creates a child process w...

Resource Allocation correct answers Multiple users or jobs running at the same time must share CPU cycles, main memory, file storage, and I/O devices Kernel correct answers The one program always running (the operating system) Memory Hierarchy correct answers Registers, Cache, Main Memory, Electronic/Magnetic Disks, Optical Disks, Tapes Device Controller correct answers processor that controls the physical actions of one or more storage devices Device Driver correct answers a program...

Resource Allocation correct answers Multiple users or jobs running at the same time must share CPU cycles, main memory, file storage, and I/O devices Kernel correct answers The one program always running (the operating system) Memory Hierarchy correct answers Registers, Cache, Main Memory, Electronic/Magnetic Disks, Optical Disks, Tapes Device Controller correct answers processor that controls the physical actions of one or more storage devices Device Driver correct answers a program...

Temporary data such as function parameters, return addresses, and local variables. What does a stack contain? 1. The parent continues to execute concurrently with its children. 2. The parent waits until some or all of its children have terminated. 3. The child process is a duplicate of the parent process (it has the same program and data as the parent). 4. The child process has a new program loaded into it. When a parent creates a child process what are the possibilities? Context Switch ...

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

WGU C191 MODULE 2 Latest Update Graded A Temporary data such as function parameters, return addresses, and local variables. What does a stack contain? 1. The parent continues to execute concurrently with its children. 2. The parent waits until some or all of its children have terminated. 3. The child process is a duplicate of the parent process (it has the same program and data as the parent). 4. The child process has a new program loaded into it. When a parent creates a child process wh...

WGU - C191 Questions and Answers 100% Pass 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 corr...

COP4600 Midterm Exam Questions With 100% Correct Answers Chapter 4 - The Abstraction: The Process / Processes Process / Job - answerA running program. The abstraction provided by the OS of a running program. Virtualizing - answerThe process of running a virtual instance of a computer system in a layer abstracted from the actual hardware. Time Sharing (CPU) - answerBy running one process, then stopping it and running another, and so forth, the OS can promote the illusion that many virtu...