CS Quiz 4

Which of the following is a task that is not performed by the kernel of an operating system? Communicate with the user Allocate resources Avoid deadlock Schedule processes

Communicate with the user

Which of the following events is detrimental to an operating system's performance? Deadlock Interrupt Booting Shutdown

Deadlock

Execution of an operating system is initiated by a program called the Boot loader Window manager Master Program Scheduler

Boot loader

Which of the following concepts is not associated with critical regions? Semaphores Shared resources Bootstrap Mutual exclusion

Bootstrap

Which of the following items of information would not be contained in an operating system's process table? Whether the process is ready or waiting The location of the memory area assigned to the process The machine language instructions being executed by the process The priority of each process

The machine language instructions being executed by the process

Which of the following components of an operating system is not part of the kernel? Memory manager File manager Scheduler User Interface

User Interface

Which of the following is not involved in a context switch? Interrupt Process table User Interface Dispatcher

User Interface

The end of a time slice is indicted by the occurrence of a signal called Term Signal A login A semaphore An interrupt

An interrupt

Which of the following is not a role of a typical operating system? Control the allocation of the machine's resources Maintain records regarding files stored in mass storage Assist the computer user in the task of processing digital photographs Control access to the machine

Assist the computer user in the task of processing digital photographs

A section of a program that should be executed by at most one process at a time is called a Utility Privileged instruction Critical region Semaphore

Critical region

Which of the following components of an operating system handles the details associated with particular peripheral equipment? User Interface Scheduler Device drivers File manager

Device drivers

Which of the following components of an operating system is executed as the result of an interrupt signal? Time manager File manager Memory manager Dispatcher

Dispatcher

Which of the following components of an operating system maintains the directory system? Scheduler Device drivers File manager Memory manager

File manager

Which of the following would not require real-time processing? Navigation of an aircraft Typing a document with a word processor Forecasting world-wide trend for the next five year period Maintaining a airline reservation system

Forecasting world-wide trend for the next five year period

Which of the following would be a concern of the file manager in a multi-user computer system that would not be a concern in a single-user system? Maintain records regarding the location of files Maintain records regarding the size of files None of the listed answers Maintain records regarding the ownership of files

Maintain records regarding the ownership of files

Multitasking in a computer with only one CPU is accomplished by a technique called Multimedia Bootstrapping Batch processing Multiprogramming

Multiprogramming

Which of the following is not an attempt to provide security? Enryption Privilege levels Multitasking Passwords

Multitasking

Which of the following statements is true? Both Statement A and Statement B Statement A: The use of passwords provides an impenetrable safeguard. Neither Statement A nor Statement B Statement B:Allowing several processes to share time in a multiprogramming system is less efficient than executing each of them to completion one after the other.

Neither Statement A nor Statement B

Which of the following is a technique for controlling access to a critical region? Spooling Semaphore Booting Time sharing

Semaphore

Which of the following is not a means of performing multiple activities at the same time? Pipeling Virtual memory Multiple processors Multiprogramming

Virtual memory