Chapter 6 OSC

Attempt 1

1.

The need for algorithms to resolve conflicts between processors is called process ____.

A) communication
B) synchronization
C) reduction
D) transformation

Points Earned:	0.0/1.0
Correct Answer(s):	B

2.

The only reason for multiprocessing is to increase computer power.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	False

3.

For many computational purposes, serial processing is sufficient; it’s easy to implement and fast enough for most users.

A) True
B) False

Points Earned:	0.0/1.0
Correct Answer(s):	True

4.

Threads share the same resources as the process that created them.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

5.

The classic problem of producers and consumers is one in which one process produces some data that another process consumes later.

A) True
B) False

Points Earned:	0.0/1.0
Correct Answer(s):	True

6.

In a symmetric configuration, processor scheduling is ____.

A) centralized
B) decentralized
C) multifaceted
D) balanced

Points Earned:	1.0/1.0
Correct Answer(s):	B

7.

Each active thread in a process shares the ____ and the resources allocated to its process.

A) processor registers
B) program counter
C) data area
D) status

Points Earned:	1.0/1.0
Correct Answer(s):	C

8.

Multiprocessing can refer to one job using several processors to execute sets of instructions in parallel.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

9.

Parallel processing is also called ____.

A) uniprocessing
B) multiprocessing
C) shared processing
D) divided processing

Points Earned:	1.0/1.0
Correct Answer(s):	B

10.

____ proposed a solution to the readers and writers problem that did not result in starvation for readers or writers.

A) Hoare
B) Courtois
C) Heymans
D) Parnas

Points Earned:	1.0/1.0
Correct Answer(s):	A

11.

The loosely coupled configuration features several complete computer systems, each with its own memory, I/O devices, CPU, and operating system.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

12.

Most current operating systems support the implementation of threads, or ____, which have become part of numerous application packages.

A) parallel processes
B) lightweight processes
C) heavyweight processes
D) semaphores

Points Earned:	0.0/1.0
Correct Answer(s):	B

Attempt 2

1.

The success of process synchronization hinges on the capability of the operating system to make a resource available to other processes while it is being used by one of them.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	False

2.

Each active thread in a process shares the ____ and the resources allocated to its process.

A) processor registers
B) program counter
C) data area
D) status

Points Earned:	1.0/1.0
Correct Answer(s):	C

3.

The loosely coupled configuration features several complete computer systems, each with its own memory, I/O devices, CPU, and operating system.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

4.

The common element in all synchronization schemes is to allow a process to finish work on a critical region of the program before other processes have access to it.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

5.

The classic problem of producers and consumers is one in which one process produces some data that another process consumes later.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

6.

For many computational purposes, serial processing is sufficient; it’s easy to implement and fast enough for most users.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

7.

Multiprocessing can refer to one job using several processors to execute sets of instructions in parallel.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

8.

Automatic detection by the compiler of instructions that can be performed in parallel is called ____.

A) automatic parallelism
B) array parallelism
C) explicit parallelism
D) implicit parallelism

Points Earned:	1.0/1.0
Correct Answer(s):	D

9.

Operations on semaphore s enforce the concept of ____, which is necessary to avoid having two operations attempt to execute at the same time.

A) mutual execution
B) mutex execution
C) signal exclusion
D) mutual exclusion

Points Earned:	1.0/1.0
Correct Answer(s):	D

10.

The symmetric configuration is best implemented if the processors are all of the same type.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	True

11.

A ____ of processing must be handled as a unit.

A) line
B) segment
C) critical region
D) semaphore

Points Earned:	0.0/1.0
Correct Answer(s):	C

12.

The only reason for multiprocessing is to increase computer power.

A) True
B) False

Points Earned:	1.0/1.0
Correct Answer(s):	False