Process Concepts - Chapter 3

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What is the primary benefit of nonblocking message passing?

It allows the sender to continue with other processing while waiting for the receiver to acknowledge the message.

It allows for the implementation of a pipe data structure to exchange messages.

It ensures that messages are never lost during transmission.

It reduces the time that processes spend waiting for messages to be received. (correct)

What is a common implementation of message passing in distributed systems?

A definition of a process that ensures reliable message delivery.

A region of memory protected by the operating system that serves as a buffer for exchanging data. (correct)

A stack data structure that stores the sequence numbers of messages.

A text region in memory that stores the content of the messages being exchanged.

What mechanism is used in distributed systems to ensure that transmitted messages are not lost?

Acknowledgement protocols that confirm the proper receipt of transmissions.

Timeout mechanisms that retransmit messages if acknowledgements are not received.

Sequence numbers that allow the receiver to resequence out-of-sequence messages.

All of the above. (correct)

What is the primary purpose of a process in a concurrent system?

To define the boundaries of concurrent operations within the system. Signup and view all the answers

Which of the following is NOT a typical memory region associated with a process?

Heap region Signup and view all the answers

What is the primary purpose of the data region in a process's memory layout?

To store the global and static variables used by the process. Signup and view all the answers

Which of the following is the primary reason why computers perform operations concurrently?

To improve processor utilization and responsiveness Signup and view all the answers

What is stored in the data region of a process?

Variables and dynamically allocated memory Signup and view all the answers

Which of the following statements about the stack region of a process is correct?

Its contents grow as a process issues nested procedure calls and shrink as called procedures return Signup and view all the answers

What is the primary difference between a program and a process?

A program is a passive entity stored on disk, while a process is an active entity in memory Signup and view all the answers

What is stored in the text region of a process?

The executable code that the processor executes Signup and view all the answers

Which of the following statements about process execution is correct?

Process execution must progress in sequential fashion Signup and view all the answers

Which region of a process contains the machine instructions to be executed?

Text region Signup and view all the answers

What is the primary function of a context switch?

Both A and B Signup and view all the answers

Which of the following is NOT a necessary step during a context switch?

Flushing the cache memory Signup and view all the answers

What is the primary purpose of an interrupt?

To transfer control to the interrupt service routine Signup and view all the answers

Which region of a process is used for dynamic memory allocation?

Heap region Signup and view all the answers

What is the primary difference between a trap and an interrupt?

A trap is software-generated, while an interrupt is hardware-generated Signup and view all the answers

Process Concepts - Chapter 3

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