Operating Systems Processes Operations

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What is one of the operations that can be performed on processes?

Process translation

Process duplication (correct)

Process modification

Process segmentation

How is a new child process created using the 'Fork' mechanism?

By deleting the parent process

By creating a new empty PCB for the child

By increasing the program counter of the parent process

By copying all values of parent's PCB to child's PCB (correct)

What is the function of 'Exec' in process creation?

Halts both the parent and child processes

Replaces the child's image with a new program (correct)

Copies the child process's data to the parent process

Deletes the child process

What happens when a new process is created in an operating system?

A unique Process Identifier (PID) is assigned to it Signup and view all the answers

Which event triggers the creation of new processes?

User request for process creation Signup and view all the answers

What happens to the program counter after a new child process is created using 'Fork'?

Both child and parent start executing at instruction after fork call Signup and view all the answers

What does the `use()` function do?

It processes data from the buffer Signup and view all the answers

In the provided Java code, what is the purpose of the `Thread example` class?

To create threads Signup and view all the answers

What does the `PC` class within the Java code represent?

A class for buffer management Signup and view all the answers

What is the role of the `produce()` method within the Java code snippet?

Adding items to a list Signup and view all the answers

What is the main reason for using threads in the context of the provided Java code?

To improve program efficiency by parallel processing Signup and view all the answers

Why is it necessary to synchronize access to shared resources in a multi-threaded environment like the one in the Java code?

To prevent race conditions and data corruption Signup and view all the answers

What is the significance of the return value of fork() in differentiating the child process from the parent process?

The child process sees a 0, while the parent process sees the PID of the child process. Signup and view all the answers

In the exec family of commands, which specific command must be used for the project mentioned in the text?

execvp() Signup and view all the answers

What does it mean when execvp() does not return successfully?

There was an error, such as the command not existing. Signup and view all the answers

What is the primary function of the Long Term or job scheduler in an operating system?

Bringing new processes to the ready state and controlling the degree of multiprogramming Signup and view all the answers

How should the list of arguments passed to a program be terminated when using execvp()?

With a NULL pointer. Signup and view all the answers

Which type of process spends a significant amount of time on input and output operations?

IO bound processes Signup and view all the answers

Which system calls allow the parent process to wait for its child process to finish?

wait()/waitpid() Signup and view all the answers

What should be carefully checked when constructing the array of arguments for execvp()?

Ensuring that it matches what the program expects based on its function prototype. Signup and view all the answers

What does the Short Term or CPU scheduler do in the process scheduling of an operating system?

Selects a process from the ready state for scheduling on the running state Signup and view all the answers

What is the main objective of the Long Term or job scheduler when selecting processes for execution?

Maintaining a balance between IO and CPU bound processes Signup and view all the answers

Which type of process scheduler is responsible for controlling the degree of multiprogramming in an operating system?

Long Term or job scheduler Signup and view all the answers

How does the operating system maintain Process Control Blocks (PCBs) for different processes?

By dividing PCBs into separate queues based on process states Signup and view all the answers

What is the main drawback of the First-Come, First-Served (FCFS) scheduling algorithm?

It can yield very long average wait times. Signup and view all the answers

Why is minimizing the variance of criteria sometimes more desirable than minimizing the actual value?

Users are more accepting of consistent systems. Signup and view all the answers

In a scheduling system, what does FCFS stand for?

First-Come, First-Served Signup and view all the answers

What can be a consequence of using FCFS with processes having varying burst times?

Long average wait times Signup and view all the answers

Why does FCFS scheduling sometimes result in long average wait times?

Because the first process to arrive may take a long time. Signup and view all the answers

What factor influences the average wait time in the FCFS scheduling algorithm?

The order of process arrival Signup and view all the answers

Operating Systems Processes Operations

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Questions and Answers

What is one of the operations that can be performed on processes?

How is a new child process created using the 'Fork' mechanism?

What is the function of 'Exec' in process creation?

What happens when a new process is created in an operating system?

Which event triggers the creation of new processes?

What happens to the program counter after a new child process is created using 'Fork'?

What does the `use()` function do?

In the provided Java code, what is the purpose of the `Thread example` class?

What does the `PC` class within the Java code represent?

What is the role of the `produce()` method within the Java code snippet?

What is the main reason for using threads in the context of the provided Java code?

Why is it necessary to synchronize access to shared resources in a multi-threaded environment like the one in the Java code?

What is the significance of the return value of fork() in differentiating the child process from the parent process?

In the exec family of commands, which specific command must be used for the project mentioned in the text?

What does it mean when execvp() does not return successfully?

What is the primary function of the Long Term or job scheduler in an operating system?

How should the list of arguments passed to a program be terminated when using execvp()?

Which type of process spends a significant amount of time on input and output operations?

Which system calls allow the parent process to wait for its child process to finish?

What should be carefully checked when constructing the array of arguments for execvp()?

What does the Short Term or CPU scheduler do in the process scheduling of an operating system?

What is the main objective of the Long Term or job scheduler when selecting processes for execution?

Which type of process scheduler is responsible for controlling the degree of multiprogramming in an operating system?

How does the operating system maintain Process Control Blocks (PCBs) for different processes?

What is the main drawback of the First-Come, First-Served (FCFS) scheduling algorithm?

Why is minimizing the variance of criteria sometimes more desirable than minimizing the actual value?

In a scheduling system, what does FCFS stand for?

What can be a consequence of using FCFS with processes having varying burst times?

Why does FCFS scheduling sometimes result in long average wait times?

What factor influences the average wait time in the FCFS scheduling algorithm?

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Operating Systems Processes Operations

Choose a study mode

Podcast

Questions and Answers

What is one of the operations that can be performed on processes?

How is a new child process created using the 'Fork' mechanism?

What is the function of 'Exec' in process creation?

What happens when a new process is created in an operating system?

Which event triggers the creation of new processes?

What happens to the program counter after a new child process is created using 'Fork'?

What does the use() function do?

In the provided Java code, what is the purpose of the Thread example class?

What does the PC class within the Java code represent?

What is the role of the produce() method within the Java code snippet?

What is the main reason for using threads in the context of the provided Java code?

Why is it necessary to synchronize access to shared resources in a multi-threaded environment like the one in the Java code?

What is the significance of the return value of fork() in differentiating the child process from the parent process?

In the exec family of commands, which specific command must be used for the project mentioned in the text?

What does it mean when execvp() does not return successfully?

What is the primary function of the Long Term or job scheduler in an operating system?

How should the list of arguments passed to a program be terminated when using execvp()?

Which type of process spends a significant amount of time on input and output operations?

Which system calls allow the parent process to wait for its child process to finish?

What should be carefully checked when constructing the array of arguments for execvp()?

What does the Short Term or CPU scheduler do in the process scheduling of an operating system?

What is the main objective of the Long Term or job scheduler when selecting processes for execution?

Which type of process scheduler is responsible for controlling the degree of multiprogramming in an operating system?

How does the operating system maintain Process Control Blocks (PCBs) for different processes?

What is the main drawback of the First-Come, First-Served (FCFS) scheduling algorithm?

Why is minimizing the variance of criteria sometimes more desirable than minimizing the actual value?

In a scheduling system, what does FCFS stand for?

What can be a consequence of using FCFS with processes having varying burst times?

Why does FCFS scheduling sometimes result in long average wait times?

What factor influences the average wait time in the FCFS scheduling algorithm?

More Like This

Process Creation Diagram Quiz & Flashcards

Chapter 3 on processes

Multithreading and Process Creation

Operating System Concepts Chapter 3

What does the `use()` function do?

In the provided Java code, what is the purpose of the `Thread example` class?

What does the `PC` class within the Java code represent?

What is the role of the `produce()` method within the Java code snippet?