C191 Study guides, Class notes & Summaries

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...

C191 Ken's Blue Cards operating system - A program that manages hardware. control program - Part of the OS that manages the execution of user programs to prevent errors and improper use Moore's Law - Transistors double every 18 months bootstrap program - The initial program that is stored on the ROM to assist starting up a computer instruction register - A typical instruction using the von Neumann structure first fetches an instruction from memory and stores that instruction Main m...

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 ...

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 calls d) Accounting - Answer-b) Program execution Which system call is used for device manipulation? a) ReadConsole() b) Sleep() c) umas() d) CreateFileMapping() e) chmod() - ...

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 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 - 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 calls d) Accounting - Answer b) Program execution Which system call is used for device manipulation? a) ReadConsole() b) Sleep() c) umas() d) CreateFileMapping() e) chmod() - ...

ice function is responsible for identifying and correcting excep-tions such as the lack of paper in a printer?: Error detection 6. Which type of OS service uses the CLI?: User interface 7. What represents layer zero (0) in the layered approach?: Hardware 8. What is a disadvantage of booting an OS stored in ROM?: Changing abootstrap requires new hardware chips. 9. What is a valid process state?: Waiting 10. What are two valid components of a process control block (PCB)?: Theprocess counte...

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