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C191 Pre Assessment Questions and Answers 100% Pass

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C191 Pre Assessment Questions and Answers 100% Pass 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 - ANSWER-d) To manage a computer's hardware Which OS service provides functions that are helpfu...

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  • November 18, 2024
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C191 Pre Assessment Questions and
Answers 100% Pass

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 - ANSWER✔✔-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 - ANSWER✔✔-b) Program execution


Which system call is used for device manipulation?
Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/25

,a) ReadConsole()


b) Sleep()


c) umas()


d) CreateFileMapping()


e) chmod() - ANSWER✔✔-a) ReadConsole()


Which system calls can be grouped under the category of process controls?




a) Get process, file or device attributes


b) Allocate, free memory


c) Get file attributes, set file attributes


d) Open, close - ANSWER✔✔-b) Allocate, free memory


Which service function is responsible for identifying and correcting exceptions such as

the lack of paper in a printer?




a) Protection and security


b) Error detection



Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/25

, c) User interface


d) Communication


e) Resource allocation - ANSWER✔✔-b) Error detection


Which type of OS service uses the CLI?




a) User interface


b) Program execution


c) I/O operations


d) Error detection - ANSWER✔✔-a) User interface


What represents layer zero (0) in the layered approach?




a) Data


b) Hardware


c) Applications


d) User interface - ANSWER✔✔-b) Hardware


What is a disadvantage of booting an OS stored in ROM?




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/25

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