Question 1

List the four major categories of the benefits of multithreaded programming. Briefly explain each.

Accepted Answer

The benefits of multithreaded programmin

Question 2

Virtually all contemporary operating systems support kernel threads.

Accepted Answer

A) True 
 B)False

Question 3

The default signal handler can be overridden by a user-defined signal handler.

Accepted Answer

A) True 
 B)False

Question 4

To associate each thread created using an implicit technique such as a thread pool, with its unique transaction identifier, we could use ____?

Accepted Answer

A)  global variable 
B)  local variable 
C)  static data 
D)  thread-local storage 
A)  global variable 
B)  local variable 
C)  static data 
D)  thread-local storage

Question 5

Which of the following is an asynchronous signal?

Accepted Answer

A)  illegal memory access 
B)  division by zero 
C)  terminating a process with specific keystrokes 
D)  none of the above 
A)  illegal memory access 
B)  division by zero 
C)  terminating a process with specific keystrokes 
D)  none of the above

Question 6

Which of the following is a synchronous signal?

Accepted Answer

A)  illegal memory access 
B)  terminating a process with specific keystrokes 
C)  having a timer expire 
D)  none of the above 
A)  illegal memory access 
B)  terminating a process with specific keystrokes 
C)  having a timer expire 
D)  none of the above

Question 7

LWP is ____.

Accepted Answer

A)  short for lightweight processor 
B)  placed between system and kernel threads 
C)  placed between user and kernel threads 
D)  common in systems implementing one-to-one multithreading models 
A)  short for lightweight processor 
B)  placed between system and kernel threads 
C)  placed between user and kernel threads 
D)  common in systems implementing one-to-one multithreading models

Question 8

Multicore systems present certain challenges for multithreaded programming. Briefly describe these challenges.

Accepted Answer

Multicore systems have placed more press

Question 9

Parallelism can be achieved on single-processor systems.

Accepted Answer

A) True 
 B)False

Question 10

In Pthreads, a parent uses the pthread_join() function to wait for its child thread to complete. What is the equivalent function in Win32?

Accepted Answer

A)  win32_join() 
B)  wait() 
C)  WaitForSingleObject() 
D)  join() 
A)  win32_join() 
B)  wait() 
C)  WaitForSingleObject() 
D)  join()

Question 11

Deferred cancellation is preferred over asynchronous cancellation.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following cancellation modes are supported by Pthreads?

Accepted Answer

A)  off mode 
B)  deferred mode 
C)  asynchronous mode 
D)  all of the above 
A)  off mode 
B)  deferred mode 
C)  asynchronous mode 
D)  all of the above

Question 13

Which of the following options exist to deliver signals in multithreaded program?

Accepted Answer

A)  deliver the signal to the thread to which the signal applies 
B)  deliver the signal to every thread in the process 
C)  deliver the signal to certain threads in the process 
D)  assign a specific thread to receive all signals for the process 
E)  all of the above 
A)  deliver the signal to the thread to which the signal applies 
B)  deliver the signal to every thread in the process 
C)  deliver the signal to certain threads in the process 
D)  assign a specific thread to receive all signals for the process 
E)  all of the above

Question 14

How can deferred cancellation ensure that thread termination occurs in an orderly manner as compared to asynchronous cancellation?

Accepted Answer

In asynchronous cancellation, the thread

Question 15

OpenMP only works for C, C++, and Fortran programs.

Accepted Answer

A) True 
 B)False

Question 16

In multithreaded programs, the kernel informs an application about certain events using a procedure known as a(n) ____.

Accepted Answer

A)  signal 
B)  upcall 
C)  event handler 
D)  pool 
A)  signal 
B)  upcall 
C)  event handler 
D)  pool

Question 17

In Java, data shared between threads is simply declared globally.

Accepted Answer

A) True 
 B)False

Question 18

Grand Central Dispatch requires multiple threads.

Accepted Answer

A) True 
 B)False

Question 19

The _____ model maps each user-level thread to one kernel thread.

Accepted Answer

A)  many-to-many 
B)  two-level 
C)  one-to-one 
D)  many-to-one 
A)  many-to-many 
B)  two-level 
C)  one-to-one 
D)  many-to-one

Question 20

Describe two techniques for creating Thread objects in Java.

Accepted Answer

One approach is to create a new class th

List the four major categories of the benefits of multithreaded programming. Briefly explain each.

Virtually all contemporary operating systems support kernel threads.

The default signal handler can be overridden by a user-defined signal handler.

To associate each thread created using an implicit technique such as a thread pool, with its unique transaction identifier, we could use ____?

Which of the following is an asynchronous signal?

Which of the following is a synchronous signal?

LWP is ____.

Multicore systems present certain challenges for multithreaded programming. Briefly describe these challenges.

Parallelism can be achieved on single-processor systems.

In Pthreads, a parent uses the pthread_join() function to wait for its child thread to complete. What is the equivalent function in Win32?

Deferred cancellation is preferred over asynchronous cancellation.

Which of the following cancellation modes are supported by Pthreads?

Which of the following options exist to deliver signals in multithreaded program?

How can deferred cancellation ensure that thread termination occurs in an orderly manner as compared to asynchronous cancellation?

OpenMP only works for C, C++, and Fortran programs.

In multithreaded programs, the kernel informs an application about certain events using a procedure known as a(n) ____.

In Java, data shared between threads is simply declared globally.

Grand Central Dispatch requires multiple threads.

The _____ model maps each user-level thread to one kernel thread.

Describe two techniques for creating Thread objects in Java.

Introduction

Operating-System Structures

Processes

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 4: Threads Concurrency

List the four major categories of the benefits of multithreaded programming. Briefly explain each.

Virtually all contemporary operating systems support kernel threads.

The default signal handler can be overridden by a user-defined signal handler.

To associate each thread created using an implicit technique such as a thread pool, with its unique transaction identifier, we could use ____?

Which of the following is an asynchronous signal?

Which of the following is a synchronous signal?

LWP is ____.

Multicore systems present certain challenges for multithreaded programming. Briefly describe these challenges.

Parallelism can be achieved on single-processor systems.

In Pthreads, a parent uses the pthread_join() function to wait for its child thread to complete. What is the equivalent function in Win32?

Deferred cancellation is preferred over asynchronous cancellation.

Which of the following cancellation modes are supported by Pthreads?

Which of the following options exist to deliver signals in multithreaded program?

How can deferred cancellation ensure that thread termination occurs in an orderly manner as compared to asynchronous cancellation?

OpenMP only works for C, C++, and Fortran programs.

In multithreaded programs, the kernel informs an application about certain events using a procedure known as a(n) ____.

In Java, data shared between threads is simply declared globally.

Grand Central Dispatch requires multiple threads.

The _____ model maps each user-level thread to one kernel thread.

Describe two techniques for creating Thread objects in Java.

Introduction

Operating-System Structures

Processes

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