OS Chapter 3 Quiz

A process is best defined as:

a program in execution

Which of the following is NOT part of a process in memory?

Printer device

The Process Control Block (PCB) does NOT typically contain:

Compiler code

A context switch occurs when:

The OS saves state of one process and restores state of another

Which is NOT a typical process state?

Deleted

The long-term scheduler’s main goal is to:

Control the degree of multiprogramming

Medium-term scheduling is often associated with:

Swapping processes in and out of memory

The short-term scheduler is responsible for:

Choosing which process from the ready queue runs next

Which of the following is NOT a typical IPC mechanism?

Stack pointer

In direct communication, processes:

Must explicitly name each other to communicate

A blocking send means:

The sender waits until the message is received

In non-blocking receive:

The receiver checks and continues if no message is available

A key disadvantage of message passing compared to shared memory is:

More overhead due to system calls and copying

Which is TRUE about threads compared to processes?

Threads within a process share code and data

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

fork()

Which signal is commonly used in UNIX to terminate a process?

SIGKILL

A zombie process refers to:

A process that has terminated but still has an entry in process table

An orphan process is:

A child whose parent has terminated before it

Processes that can affect or be affected by others are called:

Cooperating processes

Which is NOT a benefit of interprocess communication?

Elimination of system calls