WGU C191
Western Governors University
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WGU C191 Pre Assessment | 60 Questions with 100% Correct Answers | Verified | Latest Update | 21 Pages
- Exam (elaborations) • 21 pages • 2023
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What is the role of the OS? 
a) To build the bootstrap program 
b) To write to memory 
c) To develop the kernel 
d) To manage a computer's hardware - d) To manage a computer's hardware 
Which OS service provides functions that are helpful to the user? 
a) Resource allocation 
b) Program execution 
c) System calls 
d) Accounting - b) Program execution 
Which system call is used for device manipulation? 
a) ReadConsole() 
b) Sleep() 
c) umas() 
d) CreateFileMapping() 
e) chmod() - a) ReadConsole...
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WGU C191 Full Study Set | 220 Questions with 100% Correct Answers | Verified | Latest Update | 29 Pages
- Exam (elaborations) • 29 pages • 2023
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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...
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WGU C191 - Wiley Engage Module 1: Introduction to Operating Systems | 60 Questions with 100% Correct Answers | Verified | Latest Update
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__________ is a set of software frameworks that provide additional services to application 
developers. - Middleware 
_____ is not one of the major categories of system calls. - Security 
If a program terminates abnormally, a dump of memory may be examined by a ____ to 
determine the cause of the problem. - debugger 
A microkernel is a kernel ____. - that is stripped of all nonessential components 
In what way is an operating system like a government? - It creates an environment within 
which ot...
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WGU C191 Module 2 Study Guide | 230 Questions with 100% Correct Answers | Verified | Latest Update | 38 Pages
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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 Swi...
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WGU C191 Operating Systems for Programmers - Pre Assessment | 60 Questions with 100% Correct Answers | Verified | Latest Update
- Exam (elaborations) • 8 pages • 2023
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What is a valid process state? - Waiting 
What are two valid components of a process control block (PCB) - The process counter; The 
process state 
What is the difference between kernel and user threads? - Kernel threads are directly 
managed by the operating system, whereas user threads are managed without kernel support. 
Which advantage does short-term scheduling have compared with long-term scheduling? - It 
takes less time to select a process to execute next. 
What is considered stable when...
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WGU C191 - Wiley Engage Module 2: Process Management | Questions with 100% Correct Answers | Verified | Latest Update
- Exam (elaborations) • 8 pages • 2023
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The _____________ refers to the number of processes in memory. - degree of 
multiprogramming 
Windows uses the ____. - one-to-one model 
What is the numeric priority of a Windows thread in the HIGH_PRIORITY_CLASS with 
ABOVE_NORMAL relative priority? - 14 
Signals can be emulated in windows through ____. - asynchronous procedure calls 
The first readers-writers problem ____. - requires that no reader will be kept waiting unless a 
writer has already obtained permission to use the shared database...
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WGU C191 - Module 4 Post Quiz | Questions with 100% Correct Answers | Verified | Latest Update
- Exam (elaborations) • 5 pages • 2023
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The surface of a magnetic disk platter is divided into ____. - tracks 
A(n) ____ file is a sequence of functions. - source 
Transfers between memory and disk are performed a ____. - block at a time 
The ____ register of an I/O port can be written by the host to start a command or to change the 
mode of a device. - control 
On media that uses constant linear velocity, the ____. - density of bits per track is uniform 
An interrupt priority scheme can be used to ____. 
a. allow the most urgent work...
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WGU C191 - Wiley Engage Module 5: Protection and Security | Questions with 100% Correct Answers | Verified | Latest Update
- Exam (elaborations) • 4 pages • 2023
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Which of the following is true of the Java programming language in relation to protection? - 
When a class is loaded, the JVM assigns the class to a protection domain that gives the 
permissions of that class. 
Which of the following implementations of the access matrix is a compromise between two other 
implementations listed below? - lock-key 
The ____ implementation of an access table consists of sets of ordered triples. - global table 
A ____ virus changes each time it is installed to avoid ...
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