Question 1

Which of the following process state will be switched from "ready" state?

Accepted Answer

A)  ready 
B)  terminated 
C)  waiting 
D)  running 
A)  ready 
B)  terminated 
C)  waiting 
D)  running D

Question 2

Ordinary pipes in Windows require a parent-child relationship between the communicating processes.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following contains memory allocated by malloc()?

Accepted Answer

A)  text section 
B)  data section 
C)  heap section 
D)  stack section 
A)  text section 
B)  data section 
C)  heap section 
D)  stack section C

Question 4

Which of the following contains global data?

Accepted Answer

A)  text section 
B)  data section 
C)  heap section 
D)  stack section 
A)  text section 
B)  data section 
C)  heap section 
D)  stack section

Question 5

All processes in UNIX first translate to a zombie process upon termination.

Accepted Answer

A) True 
 B)False

Question 6

Assume the shared buffer is implemented as a circular array with two logical pointers: in and out. The variable in points to the next free position in the buffer; out points to the first full position in the buffer. Which of the following is true?

Accepted Answer

A)  The buffer is empty when in == out; the buffer is full when ((in + 1) % BUFFER SIZ
E)  == out; 
B)  The buffer is full when in == out; the buffer is empty when ((in + 1) % BUFFER SIZ
E)  == out; 
C)  All the elements of the buffer can be used; 
D)  Both A and C 
A)  The buffer is empty when in == out; the buffer is full when ((in + 1) % BUFFER SIZ
E)  == out; 
B)  The buffer is full when in == out; the buffer is empty when ((in + 1) % BUFFER SIZ
E)  == out; 
C)  All the elements of the buffer can be used; 
D)  Both A and C

Question 7

Which of the following is true in a Mach operating system?

Accepted Answer

A)  All messages have the same priority. 
B)  Multiple messages from the same sender are guaranteed an absolute ordering. 
C)  The sending thread must return immediately if a mailbox is full. 
D)  It is not designed for distributed systems. 
A)  All messages have the same priority. 
B)  Multiple messages from the same sender are guaranteed an absolute ordering. 
C)  The sending thread must return immediately if a mailbox is full. 
D)  It is not designed for distributed systems.

Question 8

Which of the following system calls is used to let the parent process create a child process?

Accepted Answer

A)  abort(); 
B)  wait(); 
C)  fork(); 
D)  exec(). 
A)  abort(); 
B)  wait(); 
C)  fork(); 
D)  exec().

Question 9

Sockets are considered a high-level communications scheme.

Accepted Answer

A) True 
 B)False

Question 10

Local Procedure Calls in Windows XP are similar to Remote Procedure Calls.

Accepted Answer

A) True 
 B)False

Question 11

Describe how UNIX and Linux manage orphan processes.

Accepted Answer

If a parent terminates without first cal

Question 12

The Mach operating system treats system calls with message passing.

Accepted Answer

A) True 
 B)False

Question 13

The iOS mobile operating system only supports a limited form of multitasking.

Accepted Answer

A) True 
 B)False

Question 14

Ordinary pipes in UNIX require a parent-child relationship between the communicating processes.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following IPC mechanism is easier to implement in a distributed system?

Accepted Answer

A)  shared memory 
B)  message passing 
C)  socket communication 
D)  ordinary pipe 
A)  shared memory 
B)  message passing 
C)  socket communication 
D)  ordinary pipe

Question 16

Which of the following cases could force a process removed from the CPU?

Accepted Answer

A)  I/O request 
B)  fork a child 
C)  interrupt or time slice expired 
D)  all of the above 
A)  I/O request 
B)  fork a child 
C)  interrupt or time slice expired 
D)  all of the above

Question 17

Ordinary pipes are unidirectional, allowing only one-way communication.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following memory space dynamically grows from high memory to low memory?

Accepted Answer

A)  text section 
B)  data section 
C)  heap section 
D)  stack section 
A)  text section 
B)  data section 
C)  heap section 
D)  stack section

Question 19

Name the three types of sockets used in Java and the classes that implement them.

Accepted Answer

Connection-oriented (TCP) sockets are im

Question 20

Which of the following is not a process type in the Chrome browser?

Accepted Answer

A)  Plug-in 
B)  Renderer 
C)  Sandbox 
D)  Browser 
A)  Plug-in 
B)  Renderer 
C)  Sandbox 
D)  Browser

Which of the following process state will be switched from "ready" state?

Ordinary pipes in Windows require a parent-child relationship between the communicating processes.

Which of the following contains memory allocated by malloc()?

Which of the following contains global data?

All processes in UNIX first translate to a zombie process upon termination.

Assume the shared buffer is implemented as a circular array with two logical pointers: in and out. The variable in points to the next free position in the buffer; out points to the first full position in the buffer. Which of the following is true?

Which of the following is true in a Mach operating system?

Which of the following system calls is used to let the parent process create a child process?

Sockets are considered a high-level communications scheme.

Local Procedure Calls in Windows XP are similar to Remote Procedure Calls.

Describe how UNIX and Linux manage orphan processes.

The Mach operating system treats system calls with message passing.

The iOS mobile operating system only supports a limited form of multitasking.

Ordinary pipes in UNIX require a parent-child relationship between the communicating processes.

Which of the following IPC mechanism is easier to implement in a distributed system?

Which of the following cases could force a process removed from the CPU?

Ordinary pipes are unidirectional, allowing only one-way communication.

Which of the following memory space dynamically grows from high memory to low memory?

Name the three types of sockets used in Java and the classes that implement them.

Which of the following is not a process type in the Chrome browser?

Introduction

Operating-System Structures

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 3: Processes

Which of the following process state will be switched from "ready" state?

Ordinary pipes in Windows require a parent-child relationship between the communicating processes.

Which of the following contains memory allocated by malloc()?

Which of the following contains global data?

All processes in UNIX first translate to a zombie process upon termination.

Assume the shared buffer is implemented as a circular array with two logical pointers: in and out. The variable in points to the next free position in the buffer; out points to the first full position in the buffer. Which of the following is true?

Which of the following is true in a Mach operating system?

Which of the following system calls is used to let the parent process create a child process?

Sockets are considered a high-level communications scheme.

Local Procedure Calls in Windows XP are similar to Remote Procedure Calls.

Describe how UNIX and Linux manage orphan processes.

The Mach operating system treats system calls with message passing.

The iOS mobile operating system only supports a limited form of multitasking.

Ordinary pipes in UNIX require a parent-child relationship between the communicating processes.

Which of the following IPC mechanism is easier to implement in a distributed system?

Which of the following cases could force a process removed from the CPU?

Ordinary pipes are unidirectional, allowing only one-way communication.

Which of the following memory space dynamically grows from high memory to low memory?

Name the three types of sockets used in Java and the classes that implement them.

Which of the following is not a process type in the Chrome browser?

Introduction

Operating-System Structures

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