Wgu c191 Study guides, Class notes & Summaries

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 peripherals kernel the one program running...

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() d) CreateFileMapping() e) chmod() a) ReadConsole()

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 objec

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 th...

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() d) CreateFileMapping() e) chmod() - -a) ReadCons...

WGU C191 Operating systems for programmers, Full Exam Review, Graded A+

WGU C191 Operating systems for programmers, Full Exam Review, 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

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