WGU - C191 Questions and Answers 100% Pass
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 1 / 2
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.
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.
- / 2