The Linux Tree of Processes

Which of the following best describes a process in computer science?

A program in execution

What is the purpose of multiprogramming in computer science?

To allow multiple processes to run simultaneously

Which of the following is true about process creation in Linux?

A process can be created by any process

What happens after the OS decides to create a new process?

All of the above Signup and view all the answers

What happens after a process terminates?

All resources assigned to the process are deallocated by the OS Signup and view all the answers

What is the purpose of inter-process communication (IPC)?

All of the above Signup and view all the answers

Is the size of a message that the link can accommodate fixed or variable?

It can be both fixed and variable Signup and view all the answers

Is a link unidirectional or bi-directional?

It depends on the type of link Signup and view all the answers

What are the properties of a communication link?

All of the above Signup and view all the answers

What are the different ways in which buffering can be implemented?

All of the above Signup and view all the answers

Which section of the executable file's memory map contains global variables?

Data section Signup and view all the answers

Which state does a process enter when it is waiting for some event to occur?

Waiting or Block Signup and view all the answers

What is used by the operating system to keep track of processes?

Process Control Block (PCB) Signup and view all the answers

What information does the Process Control Block (PCB) contain?

All of the above Signup and view all the answers

Which of the following best describes a process in computer science?

A program in execution Signup and view all the answers

What resources does a process need to execute?

Memory space, CPU, and other resources Signup and view all the answers

What is the role of the operating system in assigning resources to processes?

The operating system assigns resources to processes Signup and view all the answers

What is the purpose of inter-process communication (IPC)?

To allow processes to communicate and share data Signup and view all the answers

What is the difference between a program and a process?

A program is stored on disk, while a process is a program in execution Signup and view all the answers

What is the term for the rapid switching back and forth of the CPU between processes?

Multiprogramming Signup and view all the answers

What is the purpose of the Process Control Block (PCB)?

To store information about a process Signup and view all the answers

Which of the following is NOT an element of the Process Control Block (PCB)?

CPU scheduling information Signup and view all the answers

What is the purpose of the CPU registers in the PCB?

To save the process's execution context Signup and view all the answers

Which state does a process enter when it is waiting for some event to occur?

Waiting or Block Signup and view all the answers

What happens when a process is terminated?

The process's context is deleted from the PCB Signup and view all the answers

What information does the memory-management information in the PCB include?

Page tables or segment tables Signup and view all the answers

What is the purpose of the accounting information in the PCB?

To keep track of CPU usage and time elapsed Signup and view all the answers

What is the purpose of the Process Control Block (PCB)?

To track the process's execution status Signup and view all the answers

Which of the following is true about message passing in computer systems?

Message passing can be implemented using shared memory, a hardware bus, or a network. Signup and view all the answers

Which of the following is true about direct communication in message passing?

Processes must name each other explicitly. Signup and view all the answers

Which of the following is true about indirect communication in message passing?

Messages are directed and received from mailboxes. Signup and view all the answers

Which of the following is true about mailbox sharing in indirect communication?

Each pair of processes may share several communication links. Signup and view all the answers

Which of the following is true about synchronization in message passing?

Message passing can be either blocking or non-blocking. Signup and view all the answers

Which of the following is true about blocking send in message passing?

The sender is blocked until the message is received. Signup and view all the answers

Which of the following is true about non-blocking receive in message passing?

The receiver receives a null message. Signup and view all the answers

Which of the following is true about buffering in message passing?

All of the above. Signup and view all the answers

Which of the following is true about the implementation of buffering in message passing?

Buffering can be implemented using zero capacity, bounded capacity, or unbounded capacity. Signup and view all the answers

Which of the following is true about process scheduling in Linux?

The process scheduler selects among available processes for next execution on CPU. Signup and view all the answers

What is the purpose of inter-process communication (IPC)?

To allow processes to communicate and exchange data and information. Signup and view all the answers

Which of the following is true about process termination?

A parent process can terminate a child process if it has exceeded allocated resources or is no longer required. Signup and view all the answers

What is the purpose of the process control block (PCB)?

To store information about a process, such as its current state, program counter, and memory allocation. Signup and view all the answers

Which of the following is true about message passing in inter-process communication?

Message passing requires processes to establish a communication link between them. Signup and view all the answers

What is the purpose of process creation in the operating system?

To create new processes and expand the tree of processes. Signup and view all the answers

What is the main purpose of the process scheduler in the operating system?

To maximize CPU use and quickly switch processes onto the CPU for time sharing. Signup and view all the answers

The Linux Tree of Processes

Questions and Answers

Which of the following best describes a process in computer science?

What is the purpose of multiprogramming in computer science?

Which of the following is true about process creation in Linux?

What happens after the OS decides to create a new process?

What happens after a process terminates?

What is the purpose of inter-process communication (IPC)?

Is the size of a message that the link can accommodate fixed or variable?

Is a link unidirectional or bi-directional?

What are the properties of a communication link?

What are the different ways in which buffering can be implemented?

Which section of the executable file's memory map contains global variables?

Which state does a process enter when it is waiting for some event to occur?

What is used by the operating system to keep track of processes?

What information does the Process Control Block (PCB) contain?

Which of the following best describes a process in computer science?

What resources does a process need to execute?

What is the role of the operating system in assigning resources to processes?

What is the purpose of inter-process communication (IPC)?

What is the difference between a program and a process?

What is the term for the rapid switching back and forth of the CPU between processes?

What is the purpose of the Process Control Block (PCB)?

Which of the following is NOT an element of the Process Control Block (PCB)?

What is the purpose of the CPU registers in the PCB?

Which state does a process enter when it is waiting for some event to occur?

What happens when a process is terminated?

What information does the memory-management information in the PCB include?

What is the purpose of the accounting information in the PCB?

What is the purpose of the Process Control Block (PCB)?

Which of the following is true about message passing in computer systems?

Which of the following is true about direct communication in message passing?

Which of the following is true about indirect communication in message passing?

Which of the following is true about mailbox sharing in indirect communication?

Which of the following is true about synchronization in message passing?

Which of the following is true about blocking send in message passing?

Which of the following is true about non-blocking receive in message passing?

Which of the following is true about buffering in message passing?

Which of the following is true about the implementation of buffering in message passing?

Which of the following is true about process scheduling in Linux?

What is the purpose of inter-process communication (IPC)?

Which of the following is true about process termination?

What is the purpose of the process control block (PCB)?

Which of the following is true about message passing in inter-process communication?

What is the purpose of process creation in the operating system?

What is the main purpose of the process scheduler in the operating system?

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