Wgu c191 Study guides, Class notes & Summaries
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WGU - C191 |61 Questions and Answers 100% Verified
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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 lac...
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WGU C191 Module 4 Exam Questions and Answers with Certified Solutions | Verified | Latest Update 2024 | Graded A+
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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 mechanism that enables a device to notify the CPU...
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WGU C191 Operating systems for programmers, Full Exam Review, Graded A+
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WGU C191 Operating systems for 
programmers, Full Exam Review, Graded 
A+
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WGU C191 MODULE 3 Questions & Answers | Latest Update 2024
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Magnetic disks What is the most common secondary storage? 
Transfer rate The rate at which data flow between drive and computer 
Positioning time (random-access time) Time to move disk arm to desired cylinder (seek 
time) and time for desired sector to rotate under the disk head (rotational latency) 
Head crash Results from disk head making contact with the disk 
surface (it's bad)
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WGU C191 Pre-Assessment, Questions and answers, 100% Accurate. Rated A+
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WGU C191 Pre-Assessment, Questions and answers, 100% Accurate. Rated A+
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(WGU C191) ITEC 2211 Operating Systems for Programmers Comprehensive OA 2024
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(WGU C191) ITEC 2211 Operating Systems for Programmers Comprehensive OA 2024(WGU C191) ITEC 2211 Operating Systems for Programmers Comprehensive OA 2024(WGU C191) ITEC 2211 Operating Systems for Programmers Comprehensive OA 2024
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WGU C191 Module 3 Latest Questions and Answers with Certified Solutions | Verified | Latest Update 2024 | Graded A+
- Exam (elaborations) • 19 pages • 2024
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Magnetic disks What is the most common secondary storage? 
Transfer rate The rate at which data flow between drive and computer 
Positioning time (random-access time) Time to move disk arm to desired cylinder (seek 
time) and time for desired sector to rotate under the disk head (rotational latency) 
Head crash Results from disk head making contact with the disk 
surface (it's bad) 
EIDE, ATA, SATA, USB, Fiber Channel, 
SCSI, SAS, Firewire What are examples of I/O busses? 
Host controller Uses ...
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WGU C191 Full Study Set | 220 Questions and Correct Solutions Latest Update
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WGU C191 Full Study Set | 220 Questions 
and Correct Solutions Latest Update 
What 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 -...
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WGU C191 MODULE 5 Questions & Answers | Latest Update 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 objec
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WGU C191 MODULE 1 Questions With Complete Solutions | Latest Update 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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