Operating System

What is the primary function of an Operating System (OS)?

• Manage hardware resources

• Perform calculations
  

• Execute applications

• Provide network security

Which of the following is not a generation of operating systems?

• First generation

• Third generation

• Fifth generation

• Virtual generation

Which type of OS provides a platform to execute various virtual machines?

• Microkernel

• Monolithic Kernel

• Virtual Machine Operating System

• Layered OS

Which of the following is a benefit of microkernel-based operating systems?

• Increased performance

• Simplified structure and better fault tolerance

• Easy to implement

• None of the above

Which of the following is true about a monolithic kernel?

• It has a single large code base that handles all services

• It has a modular design

• It is more fault-tolerant
  

• It supports virtual machines

Which service is provided by the operating system?

• User interface management

• File system management

• Memory management

• All of the above

What is a system call?

• A function call within a program

• A request to the kernel for a service

• A method to handle user inputs

• A networking protocol

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

• To manage memory allocation

• To store information about processes

• To handle system interrupts

• To manage user access control

In which state is a process that is waiting for an event to occur?

• Running

• Ready

• Blocked

• New

What is context switching?

• Switching between different processes without saving states

• Switching between threads within a process

• The process of storing and restoring the state of a process

• Changing the priority of a process