Wgu c191 - Study guides, Class notes & Summaries

In what way is an operating system like a government? - Answer-It creates an environment within which other programs can do useful work. A _____ is an example of a systems program. - Answer-command interpreter ____ operating systems are designed primarily to maximize resource utilization. - Answer-Mainframe If a program terminates abnormally, a dump of memory may be examined by a ____ to determine the cause of the problem. - Answer-debugger A message-passing model is ____. - Answer-easier ...

WGU C191 MODULE 2 Latest Update Graded 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 parent process (it has the same program and data as the parent). 4. The child process has a new program loaded into it. When a parent creates a child process wh...

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 la...

WGU C191 MODULE 3 Latest Update Graded A 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 exam...

WGU C191 MODULE 1 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 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 p...

WGU C191 Pre-Assessment | Questions and Correct Answers | latest Update 2024/2025 | 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 callsd) Accounting - Answer -b) Program execution Which system call is used f...

WGU C191 MODULE 5 Latest Update Graded A 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 object domain set of access-rights system has two domains user and superv...

WGU C191 Pre-Assessment Questions and Answers Graded A+ 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) System calls d) Accounting b) Program execution Which system call is used for device manipulation? a) ReadConsole() b) Sleep() c) umas(...

WGU C191 Pre-Assessment, Questions and answers, 100% Accurate. Rated A+