Question 1

Applications compiled on one operating system can be directly executable on other operating systems due to common structure.

Accepted Answer

A) True 
 B)False

Question 2

What are the advantages of using a higher-level language to implement an operating system?

Accepted Answer

The code can be written faster, is more

Question 3

Android runs Java programs _____________

Accepted Answer

A)  in the Android RunTime (ART) virtual machine. 
B)  natively. 
C)  in the Java virtual machine. 
D)  Android does not run Java programs. 
A)  in the Android RunTime (ART) virtual machine. 
B)  natively. 
C)  in the Java virtual machine. 
D)  Android does not run Java programs.

Question 4

A message-passing model is ____.

Accepted Answer

A)  easier to implement than a shared memory model for intercomputer communication 
B)  faster than the shared memory model 
C)  a network protocol, and does not apply to operating systems 
D)  only useful for small simple operating systems 
A)  easier to implement than a shared memory model for intercomputer communication 
B)  faster than the shared memory model 
C)  a network protocol, and does not apply to operating systems 
D)  only useful for small simple operating systems

Question 5

iOS is open source, Android is closed source.

Accepted Answer

A) True 
 B)False

Question 6

What is the relationship between library call open() and open() system call?

Accepted Answer

A)  open() system call is part of open() 
B)  open() system call in an alternate version of open() 
C)  open() is a predecessor version of open() system call 
D)  open() invokes open() system call to get service from operating system 
A)  open() system call is part of open() 
B)  open() system call in an alternate version of open() 
C)  open() is a predecessor version of open() system call 
D)  open() invokes open() system call to get service from operating system

Question 7

Microkernels use _____ for communication.

Accepted Answer

A)  message passing 
B)  shared memory 
C)  system calls 
D)  virtualization 
A)  message passing 
B)  shared memory 
C)  system calls 
D)  virtualization

Question 8

The Windows CreateProcess() system call creates a new process. What is the equivalent system call in UNIX?

Accepted Answer

A)  NTCreateProcess() 
B)  process() 
C)  fork() 
D)  getpid() 
A)  NTCreateProcess() 
B)  process() 
C)  fork() 
D)  getpid()

Question 9

Explain why a modular kernel may be the best of the current operating system design techniques.

Accepted Answer

The modular approach combines the benefi

Question 10

Which of the following is a user interface where human fingers slide across the screen or press buttons to select choices?

Accepted Answer

A)  touch screen 
B)  graphical user interface 
C)  command line 
D)  voice control 
A)  touch screen 
B)  graphical user interface 
C)  command line 
D)  voice control

Question 11

_____ provide(s) an interface to the services provided by an operating system.

Accepted Answer

A)  Shared memory 
B)  System calls 
C)  Simulators 
D)  Communication 
A)  Shared memory 
B)  System calls 
C)  Simulators 
D)  Communication

Question 12

The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows?

Accepted Answer

A)  CloseHandle() 
B)  close() 
C)  CloseFile() 
D)  Exit() 
A)  CloseHandle() 
B)  close() 
C)  CloseFile() 
D)  Exit()

Question 13

Application programmers typically use an API rather than directory invoking system calls.

Accepted Answer

A) True 
 B)False

Question 14

Describe how Android uses a unique virtual machine for running Java programs.

Accepted Answer

The Android RunTime (ART) virt

Question 15

What category of system call includes the ones for process creation of and termination?

Accepted Answer

A)  process control 
B)  file management 
C)  device management 
D)  protection 
A)  process control 
B)  file management 
C)  device management 
D)  protection

Question 16

In general, Windows system calls have longer, more descriptive names and UNIX system calls use shorter, less descriptive names.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is the only gateway between user space and kernel space?

Accepted Answer

A)  user interface 
B)  system call 
C)  operating system 
D)  hardware drivers 
A)  user interface 
B)  system call 
C)  operating system 
D)  hardware drivers

Question 18

Describe the relationship between an API, the system-call interface, and the operating system.

Accepted Answer

The system-call interface of a programmi

Question 19

Which of the following inter-process communication is used in microkernel?

Accepted Answer

A)  message passing 
B)  shared memory 
C)  socket communication 
D)  all of the above 
A)  message passing 
B)  shared memory 
C)  socket communication 
D)  all of the above

Question 20

Which of the following operating system structure is the one for MS-DOS?

Accepted Answer

A)  monolithic structure 
B)  layered structure 
C)  microkernel 
D)  modular approach 
A)  monolithic structure 
B)  layered structure 
C)  microkernel 
D)  modular approach

Applications compiled on one operating system can be directly executable on other operating systems due to common structure.

What are the advantages of using a higher-level language to implement an operating system?

Android runs Java programs _____________

A message-passing model is ____.

iOS is open source, Android is closed source.

What is the relationship between library call open() and open() system call?

Microkernels use _____ for communication.

The Windows CreateProcess() system call creates a new process. What is the equivalent system call in UNIX?

Explain why a modular kernel may be the best of the current operating system design techniques.

Which of the following is a user interface where human fingers slide across the screen or press buttons to select choices?

_____ provide(s) an interface to the services provided by an operating system.

The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows?

Application programmers typically use an API rather than directory invoking system calls.

Describe how Android uses a unique virtual machine for running Java programs.

What category of system call includes the ones for process creation of and termination?

In general, Windows system calls have longer, more descriptive names and UNIX system calls use shorter, less descriptive names.

Which of the following is the only gateway between user space and kernel space?

Describe the relationship between an API, the system-call interface, and the operating system.

Which of the following inter-process communication is used in microkernel?

Which of the following operating system structure is the one for MS-DOS?

Introduction

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Interface

File-System Implementation

File-System Internals

Security

Protection

Filters

Exam 2: Operating-System Structures

Applications compiled on one operating system can be directly executable on other operating systems due to common structure.

What are the advantages of using a higher-level language to implement an operating system?

Android runs Java programs _____________

A message-passing model is ____.

iOS is open source, Android is closed source.

What is the relationship between library call open() and open() system call?

Microkernels use _____ for communication.

The Windows CreateProcess() system call creates a new process. What is the equivalent system call in UNIX?

Explain why a modular kernel may be the best of the current operating system design techniques.

Which of the following is a user interface where human fingers slide across the screen or press buttons to select choices?

_____ provide(s) an interface to the services provided by an operating system.

The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows?

Application programmers typically use an API rather than directory invoking system calls.

Describe how Android uses a unique virtual machine for running Java programs.

What category of system call includes the ones for process creation of and termination?

In general, Windows system calls have longer, more descriptive names and UNIX system calls use shorter, less descriptive names.

Which of the following is the only gateway between user space and kernel space?

Describe the relationship between an API, the system-call interface, and the operating system.

Which of the following inter-process communication is used in microkernel?

Which of the following operating system structure is the one for MS-DOS?

Introduction

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Interface

File-System Implementation

File-System Internals

Security

Protection

Filters