OPESSYS Quiz Mini Game

What is a process in the context of an operating system?

• 1. A passive entity stored on disk

• 1. A program in execution

• 1. A sequence of commands

• 1. An application in memory

Which section of a process contains the global variables?

• Stack

• Text section

• Data section

• Heap

What system call is used to create a new process in UNIX?

• exec()

• wait()

• fork()

• exit()

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

• Running

• Ready

• New

• Waiting

What information is stored in the PCB?

• Program code

• Temporary data

• Process state

• Global variables

Which of the following is NOT a valid process state?

• Running

• Ready

• Executing

• Terminated

What is the main purpose of interprocess communication (IPC)?

• To enhance security

• To enable processes to share information and resources

• To manage memory

• 1. To allocate CPU time

1. Which IPC model involves processes communicating via shared memory?

• Message passing

• 1. Direct communication

• 1. Shared memory

• 1. Indirect communication

In message passing IPC, what does "send" do?

• Allocates memory

• 1. Receives a message

• Sends a message

• Creates a process

What happens during a context switch?

• Executes multiple processes

• 1. Saves and loads process state

• Powers off and restarts

• 1. Terminates processes