Process Management and Network Architectures in Operating Systems Quiz

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What is the main function of an operating system?

Optimizing the performance of network architectures
Controlling the execution of application programs and providing an interface between applications and hardware (correct)
Maintaining the security of the hardware and software components
Managing shared resources and controlling process scheduling

In the layered model of operating systems, what is the main function of the Kernel?

Controls the execution of application programs (correct)
Provides an interface between applications and hardware
Manages memory allocation and deallocation
Contains the most frequently used functions and serves as the nucleus

What term is used to describe the portion of the operating system that is in main memory?

Kernel (correct)
Hardware
Shell
Applications

According to the layered model, where does the operating system reside in relation to the hardware and applications?

Between hardware and applications (A) Signup and view all the answers

Which scheduling algorithm aims to execute the shortest job first?

Shortest Job First (SJF) (D) Signup and view all the answers

What aspect of an operating system does Process Control Block (PCB) relate to?

Process scheduling and management (D) Signup and view all the answers

What are the functions of an operating system?

Process Management, Memory Management, and File Management (C) Signup and view all the answers

What does a Process Control Block (PCB) contain?

State, Priority & Accounting information, and Memory pointers (C) Signup and view all the answers

What is the purpose of the fork system call in Unix?

Creates a new process and replaces its memory space with a new program (A) Signup and view all the answers

What is the significance of interprocess communication (IPC) in a system?

Facilitates information sharing and computation speedup (D) Signup and view all the answers

What is a multi-threaded process?

An executing program with one or more threads running within its context (D) Signup and view all the answers

What are the main elements contained in a Process Control Block (PCB)?

State, Identifier, and Memory pointers (B) Signup and view all the answers

Why do cooperating processes need interprocess communication (IPC)?

To share data and achieve computation speedup (C) Signup and view all the answers

What is the purpose of the exec system call after a fork in Unix?

Replaces the process’ memory space with a new program (C) Signup and view all the answers

What are the reasons for cooperating processes to use interprocess communication (IPC)?

Information sharing, Computation speedup, and Convenience (A) Signup and view all the answers

What does a multi-threaded process consist of?

One or more threads running in the context of an executing program (D) Signup and view all the answers

What is the main function of an operating system?

Controlling the execution of application programs and providing an interface between applications and hardware (C) Signup and view all the answers

Which term is used to describe the portion of the operating system that is in main memory?

Kernel (D) Signup and view all the answers

What is a multi-threaded process?

A process that consists of multiple threads of execution within a single process (C) Signup and view all the answers

What does a Process Control Block (PCB) contain?

Information about each process in the system (B) Signup and view all the answers

According to the layered model, where does the operating system reside in relation to the hardware and applications?

Above hardware and below applications (C) Signup and view all the answers

Which of the following is the main function of a Process Control Block (PCB) in an operating system?

Allowing support for multiple processes (C) Signup and view all the answers

What is the significance of interprocess communication (IPC) in the context of cooperating processes within an operating system?

Enabling processes to share information and affect each other (A) Signup and view all the answers

In the context of multi-threaded processes, what is the purpose of a thread in an operating system?

Serving as the basic unit to which processor time is allocated (C) Signup and view all the answers

What does the fork system call followed by the exec system call achieve in Unix?

Replaces the memory space of a process with a new program (A) Signup and view all the answers

What is the main reason for a Process Control Block (PCB) to contain memory pointers in an operating system?

To track the location of different memory segments in RAM (B) Signup and view all the answers

Process Management and Network Architectures in Operating Systems Quiz

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Questions and Answers

What is the main function of an operating system?

In the layered model of operating systems, what is the main function of the Kernel?

What term is used to describe the portion of the operating system that is in main memory?

According to the layered model, where does the operating system reside in relation to the hardware and applications?

Which scheduling algorithm aims to execute the shortest job first?

What aspect of an operating system does Process Control Block (PCB) relate to?

What are the functions of an operating system?

What does a Process Control Block (PCB) contain?

What is the purpose of the fork system call in Unix?

What is the significance of interprocess communication (IPC) in a system?

What is a multi-threaded process?

What are the main elements contained in a Process Control Block (PCB)?

Why do cooperating processes need interprocess communication (IPC)?

What is the purpose of the exec system call after a fork in Unix?

What are the reasons for cooperating processes to use interprocess communication (IPC)?

What does a multi-threaded process consist of?

What is the main function of an operating system?

Which term is used to describe the portion of the operating system that is in main memory?

What is a multi-threaded process?

What does a Process Control Block (PCB) contain?

According to the layered model, where does the operating system reside in relation to the hardware and applications?

Which of the following is the main function of a Process Control Block (PCB) in an operating system?

What is the significance of interprocess communication (IPC) in the context of cooperating processes within an operating system?

In the context of multi-threaded processes, what is the purpose of a thread in an operating system?

What does the fork system call followed by the exec system call achieve in Unix?

What is the main reason for a Process Control Block (PCB) to contain memory pointers in an operating system?

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