Wgu c191 exam 2024 - Study guides, Class notes & Summaries
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WGU C191 Module 1 Latest Exam 2024 Questions and Answers with Certified Solutions | Verified | Latest Update 2024 | Graded A+
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OS A program that manages the computers hardware an provides the environment in 
which programs are executed 
- its a resource allocator and control program 
CPU The processor that performs the computations 
I/O devices Items such as the terminal, disks, video board, printer, network card key are all 
considered one of these 
Main Memory This contains data and programs used by the CPU 
System bus This is the communication medium between CPU, memory and peripherals 
kernel the one program running...
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WGU C191 Pre-Assessment Proficiency knowledge test Exam Questions and certified Answers 2024/2025
- Exam (elaborations) • 17 pages • 2024
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WGU C191 Pre-Assessment Proficiency knowledge test Exam Questions and certified Answers 2024/2025 
 
Which features are included in the Trace tool? 
 
a) Process match, analyzer, and loader 
b) Resource-using processes, network statistics, and editor 
c) Memory activation, I/O monitor, and execution 
d) Compiler, providers of probes, and consumers - correct answer d) Compiler, providers of probes, and consumers 
 
What is the difference between cooperative and preemptive scheduling? 
 
a) Cooper...
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WGU C191 Final Competency Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025
- Exam (elaborations) • 35 pages • 2024
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WGU C191 Final Competency Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025 
 
Registry - correct answer This stores and retrieves configuration information 
 
Policy - correct answer This determines what must be done. This is always changing. 
 
Mechanism - correct answer This determines how to do something. This rarely if ever changes. 
 
Monolithic - correct answer What system is the opposite of a smaller chunked, modular type of system? 
 
Layered - corre...
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WGU C191 Indispensable Study Assessment Guide Exam Questions with all Questions Accurately Answered Updated 2024/2025
- Exam (elaborations) • 12 pages • 2024
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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 ...
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WGU C191 Module 2 Process Management Key Exam Guide Questions and Integral Marking Scheme version 2024/2025
- Exam (elaborations) • 49 pages • 2024
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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...
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WGU C191 Module 5 Exam Latest Update 2024 | Questions and Answers with Certified Solutions | Verified | Latest Update 2024 | Graded A+
- Exam (elaborations) • 15 pages • 2024
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goals of protection ensure that each object is accessed correctly and only by those 
processes that are allowed to do so. 
guiding principle of protection - Programs, users and systems should be given just enough 
privileges to perform their tasks 
- principle of least privilege 
access rights where rights-set is a subset of all valid operations that can be performed on 
the object 
domain set of access-rights 
system has two domains user and supervisor 
UNIX domain system - domain: user-i...
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WGU C191 Module 1: Introduction to Operating Systems Problem set Exam Questions with all answers Correctly provided Latest 2024/2025
- Exam (elaborations) • 22 pages • 2024
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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...
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WGU C191 Test Exam Review Questions with all Answers verified for accuracy Updated 2024/2025
- Exam (elaborations) • 15 pages • 2024
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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) ___________...
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WGU C191 Module 3: Memory Management Preliminary Test Exam Questions along with Certified Answers Latest updates 2024/2025
- Exam (elaborations) • 59 pages • 2024
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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...
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WGU C191 Operating systems for programmers Full Exam Review | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS
- Exam (elaborations) • 10 pages • 2024
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WGU C191 Operating systems 
for programmers Full Exam 
Review | Questions and 
Correct Answers | Latest 
Update 2024/2025 | 100% 
PASS 
Program that manages computer hardware - Answer -Operating System 
CPU, Memory, I/O devices which provide basic computing resources for 
the system - Answer -Hardware 
Main Processor - Answer -Central Processing Unit (CPU) 
Dynamic data storage unit - Answer -Memory 
devices that are used to input to a computer (keyboard, mouse) or 
output (monitor) - Answer -In...
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