Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

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

Accepted Answer

A) True 
 B)False  True

Question 10

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

Question 11

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

Accepted Answer

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

Question 12

The Mach operating system treats system calls with message passing.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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() .

Question 15

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

Accepted Answer

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

Question 16

Describe how UNIX and Linux manage orphan processes.

Accepted Answer

If a parent terminates without first cal...

Question 17

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

Accepted Answer

Connection-oriented (TCP) sockets are im...

Question 18

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

Question 19

Sockets are considered a high-level communications scheme.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following contains global data?

Accepted Answer

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

Exam 3: Processes

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

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The Mach operating system treats system calls with message passing.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

Describe how UNIX and Linux manage orphan processes.

Correct AnswerverifiedIf a parent terminates without first cal...View AnswerShow Answer

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

Correct AnswerverifiedConnection-oriented (TCP) sockets are im...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Sockets are considered a high-level communications scheme.

Correct AnswerverifiedShow Answer

Which of the following contains global data?

Correct AnswerverifiedShow Answer

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D

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True

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C

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If a parent terminates without first cal...
View Answer

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Connection-oriented (TCP) sockets are im...
View Answer

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