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CS 372 Quiz 1 Review

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This is to help practice for the CS 372 midterm at WOU
Amanda Hatch
Quiz by Amanda Hatch, updated more than 1 year ago
Amanda Hatch
Created by Amanda Hatch almost 10 years ago
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Resource summary

Question 1

Question
A _____ is an example of a systems program.
Answer
  • text formatter
  • Web browser
  • database system
  • command interpreter

Question 2

Question
____ is a popular commercial application that abstracts Intel 80XXx86 hardware into isolated virtual machines.
Answer
  • .NET
  • VMware
  • JVM
  • JIT

Question 3

Question
Java technology is
Answer
  • A programming language specification
  • A specification of a virtual machine
  • A virtual machine
  • Both (A) and (C)

Question 4

Question
_____ is not an example of a benefit of virtual machines.
Answer
  • Protects the host system from guest operating systems
  • The ability to run several different operating systems that all share the same hardware
  • Uses less physical memory than an actual operating system
  • The ability to concurrently run several different operating systems

Question 5

Question
_____ provide(s) an interface to the services provided by an operating system.
Answer
  • Shared memory
  • System calls
  • Communication
  • Simulators

Question 6

Question
_____ is not one of the major categories of system calls.
Answer
  • Process control
  • Security
  • Communications
  • Protection

Question 7

Question
______ tricks an application by having it think it is the only process on the system.
Answer
  • Simulation
  • The Java virtual machine
  • The .NET framework
  • Paravirtualization

Question 8

Question
_____ allow operating system services to be loaded dynamically.
Answer
  • Graphical user interfaces
  • Virtual machines
  • File systems
  • Modules

Question 9

Question
Microkernels use _____ for communication.
Answer
  • virtualization
  • system calls
  • message passing
  • shared memory

Question 10

Question
The Windows CreateProcess() system call creates a new process. What is the equivalent system call in UNIX:
Answer
  • process()
  • fork()
  • getpid()
  • NTCreateProcess()

Question 11

Question
The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows:
Answer
  • CloseFile()
  • Exit()
  • close()
  • CloseHandle()

Question 12

Question
If a program terminates abnormally, a dump of memory may be examined by a ____ to determine the cause of the problem.
Answer
  • debugger
  • module
  • control card
  • shell

Question 13

Question
Which of the following statements is incorrect?
Answer
  • An operating system provides an environment for the execution of programs.
  • Operating systems must provide both protection and security.
  • Operating systems provide both command line as well as graphical user interfaces.
  • An operating system manages system resources.

Question 14

Question
_____ is/are not a technique for passing parameters from an application to a system call
Answer
  • Stack
  • Registers
  • Special block in memory
  • Cache memory

Question 15

Question
A message-passing model is ____.
Answer
  • only useful for small simple operating systems
  • easier to implement than a shared memory model for intercomputer communication
  • a network protocol, and does not apply to operating systems
  • faster than the shared memory model

Question 16

Question
KDE and GNOME desktops are available under open-source licenses.
Answer
  • True
  • False

Question 17

Question
Many operating system merge I/O devices and files into a combined file because of the similarity of system calls for each.
Answer
  • True
  • False

Question 18

Question
The virtual-machine concept does not offer complete protection of the various system resources.
Answer
  • True
  • False

Question 19

Question
A program written for the .NET Framework need not worry about the specifics of the hardware or the operating system on which it will run.
Answer
  • True
  • False

Question 20

Question
An initial bootstrap program is in the form of random-access memory (RAM)
Answer
  • True
  • False

Question 21

Question
System calls can be run in either user mode or kernel mode.
Answer
  • True
  • False

Question 22

Question
Policy ____
Answer
  • is not likely to change over time
  • determines what will be done
  • is not likely to change across places
  • determines how to do something

Question 23

Question
Application programmers typically use an API rather than directory invoking system calls.
Answer
  • True
  • False

Question 24

Question
In general, Windows system calls have longer, more descriptive names and UNIX system calls use shorter, less descriptive names.
Answer
  • True
  • False

Question 25

Question
Some level of hardware support is required to provide virtualization.
Answer
  • True
  • False

Question 26

Question
The JVM may only be implemented in software.
Answer
  • True
  • False

Question 27

Question
The JVM provides the ability to run architecture-neutral programs.
Answer
  • True
  • False

Question 28

Question
The major difficulty in designing a layered operating system approach is ____.
Answer
  • making sure that each layer hides certain data structures, hardware, and operations from higher-level layers
  • making sure each layer is easily converted to modules
  • debugging a particular layer
  • appropriately defining the various layers

Question 29

Question
A microkernel is a kernel ____.
Answer
  • that is stripped of all nonessential components
  • that is compiled to produce the smallest size possible when stored to disk
  • containing many components that are optimized to reduce resident memory size
  • that is compressed before loading in order to reduce its resident memory size

Question 30

Question
To the SYSGEN program of an operating system, the least useful piece of information is _____.
Answer
  • amount of memory available
  • what applications to install
  • operating-system options such as buffer sizes or CPU scheduling algorithms
  • the CPU being used

Question 31

Question
A boot block ____.
Answer
  • typically only knows the location and length of the rest of the bootstrap program
  • typically is sophisticated enough to load the operating system and begin its execution
  • is composed of multiple disk blocks
  • is composed of multiple disk cylinders

Question 32

Question
In a virtual machine, each program believes that it has ____.
Answer
  • another "virtual" computer to assist in its operations
  • more memory than is physically available on the machine
  • its own memory
  • multiple processors
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