Operating System Concepts Quiz

What is a process in an operating system?

• A user interface element

• A program in execution

• A type of hardware

• A static file on disk

Which of the following is NOT a state of a process?

• Terminated

• Waiting

• Initialized

• Running

What does PCB stand for in the context of processes?

• Process Control Block

• Process Communication Block

• Program Control Block

• Process Code Block

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

• exit()

• wait()

• fork()

• exec()

What is the purpose of the program counter in a process?

• To store the process state

• To indicate the next instruction to execute

• To manage memory allocation

• To track I/O operations

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

• Ready

• Running

• Waiting

• Terminated

What is the main goal of process scheduling?

• Maximize CPU usage

• Reduce I/O operations

• Minimize memory usage

• Increase user interaction

Which of the following describes interprocess communication (IPC)?

• Communication between processes

• Communication between hardware components

• Communication between users

• Communication between software applications

What is a key characteristic of shared memory IPC?

• Controlled by the operating system

• Is slower than message passing

• Requires message passing

• Allows direct access to shared data

Which of the following is a method of message passing?

• execute(command)

• store(data)

• receive(data)

• send(message)