WGU - C191, Exam Questions and answers, 100% Accurate, VERIFIED 2024

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 lack of paper in a printer? - -Error detection Which type of OS service uses the CLI? - -User interface What represents layer zero (0) in the layered approach? - -Hardware What is a disadvantage of booting an OS stored in ROM? - -Changing a bootstrap requires new hardware chips