WGU C191 Bundled Exams | All Modules| Test Questions with Correct Answers Latest Update Graded A

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 a...

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 pare...

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...

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 vi...

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 ...

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 wit...

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...

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() Wh...