OS_Processes

What is a process in the context of operating systems?

• A type of memory allocation

• A program in execution

• A user interface element

• A job waiting in the queue

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

• Running

• Waiting

• Terminated

• Initialized

What does the Process Control Block (PCB) contain?

• File system information

• Network configurations

• User interface details

• Process state and CPU registers

What is the role of the short-term scheduler?

• Handles I/O operations

• Manages memory allocation

• Selects processes for execution on the CPU

• Creates new processes

In a batch system, what is primarily processed?

• Threads

• Jobs

• Background processes

• User tasks

What is the purpose of interprocess communication (IPC)?

• To manage memory allocation

• To allow processes to share data

• To schedule processes

• To terminate processes

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

• exit()

• fork()

• exec()

• wait()

What happens to a child process if its parent terminates?

• It is suspended

• It becomes a zombie

• It continues running

• It is also terminated

What is a bounded-buffer in IPC?

• A buffer that is always empty

• A buffer that can only hold one message

• A buffer with a fixed size

• A buffer with no size limit

What is the main function of the long-term scheduler?

• To manage I/O devices

• To allocate CPU to processes

• To terminate processes

• To control the degree of multiprogramming