1.)Which of the following is NOT a primary function of an operating system?

A) Managing hardware resources

B) Providing a user interface
C) Compiling application code
D) Facilitating process and task management

Answer: C) Compiling application code

2.)What is the main goal of process management in an operating system?

A) To handle user input and output

B) To allocate resources among multiple processes efficiently
C) To compile and execute software applications
D) To manage disk storage and file systems

Answer: B) To allocate resources among multiple processes efficiently

3.)Which OS component is responsible for managing memory allocation and

deallocation?

A) File system
B) Scheduler
C) Memory Manager
D) Device Driver

Answer: C) Memory Manager

4.)What is the primary goal of file system management in an operating system?

A) To execute processes and threads efficiently

B) To provide a way to store, retrieve, and organize files on storage devices
C) To control network communications between devices
D) To manage the allocation of CPU time among processes

Answer: B) To provide a way to store, retrieve, and organize files on storage

devices

5.)In a typical operating system architecture, which of the following is

responsible for managing the execution of processes and threads?

A) The File System Manager

B) The Memory Manager
C) The Process Scheduler
D) The Device Manager

Answer: C) The Process Scheduler

6.)What is the primary purpose of process context switching in an operating system?

A) To switch between different file systems

B) To change the current user account
C) To save and restore the state of a process when switching between processes
D) To adjust the system clock to synchronize with external time sources

Answer: C) To save and restore the state of a process when switching between
processes

7.)What does the term "process" refer to in the context of operating system
architecture?

A) A set of instructions that a CPU can execute directly

B) An instance of a program in execution, including its current state and resources
C) A unit of storage on a disk drive
D) A module that handles network communication

Answer: B) An instance of a program in execution, including its current state and

resources

8.)Which of the following is a key concept in process management that allows

multiple processes to run concurrently?

A) Virtual Memory
B) Process Synchronization
C) Multitasking
D) File Sharing

Answer: C) Multitasking

9.)Which process state indicates that a process is waiting for an event or resource
to become available?

A) Running
B) Ready
C) Blocked (or Waiting)
D) Terminated

Answer: C) Blocked (or Waiting)

10.)In which process state does a process execute instructions on the CPU?

A) Blocked
B) Ready
C) Running
D) New

Answer: C) Running

11.)What happens to a process when it transitions from the "Running" state to the
"Ready" state?

A) The process has completed execution

B) The process is waiting for I/O operations to complete
C) The process is preempted by the operating system for another process to use the
CPU
D) The process is being initialized for execution

Answer: C) The process is preempted by the operating system for another process to
use the CPU

12.)Which process state is typically associated with the process being in the
process of creation or termination?

A) Blocked
B) Ready
C) Running
D) New
Answer: D) New

13.)Which of the following is a key function of the operating system’s process

management subsystem?

A) Handling network communication

B) Allocating CPU time to processes
C) Managing file system permissions
D) Monitoring disk space usage

Answer: B) Allocating CPU time to processes

14.)What does the term "process scheduling" refer to in operating system process
management?

A) The process of saving and restoring the state of a process

B) The method of selecting which process in the ready queue will be executed by the
CPU
C) The allocation of memory space to different processes
D) The mechanism for handling interrupts and exceptions

Answer: B) The method of selecting which process in the ready queue will be
executed by the CPU

15.)Which scheduling algorithm allocates the CPU to processes based on their

arrival time and allows processes to execute in the order they arrive?

A) Round-Robin Scheduling
B) First-Come, First-Served (FCFS) Scheduling
C) Shortest Job Next (SJN) Scheduling
D) Priority Scheduling

Answer: B) First-Come, First-Served (FCFS) Scheduling

16.)What is the primary goal of process synchronization in an operating system?

A) To ensure that processes are executed in a fair manner

B) To manage the allocation of physical memory to processes
C) To prevent processes from interfering with each other's execution by ensuring
correct sequence of operations
D) To handle input and output operations efficiently

Answer: C) To prevent processes from interfering with each other's execution by

ensuring correct sequence of operations

17.)What is the primary purpose of an interrupt in an operating system?

A) To execute processes in parallel

B) To signal the operating system that an event needs immediate attention
C) To manage file system operations
D) To allocate memory to different processes

Answer: B) To signal the operating system that an event needs immediate attention

18.)Which of the following mechanisms is commonly used for interprocess

communication (IPC) in an operating system?

A) File System
B) Signals
C) Memory Management Unit (MMU)
D) Disk I/O

Answer: B) Signals

19.)In interprocess communication, what is a "message queue"?

A) A data structure used to hold messages exchanged between processes

B) A list of processes waiting for CPU time
C) A storage area for temporary files
D) A method for locking resources to prevent deadlocks

Answer: A) A data structure used to hold messages exchanged between processes

20.)Which of the following is a key benefit of using semaphores for interprocess

communication?

A) Reducing CPU usage

B) Synchronizing access to shared resources to prevent race conditions
C) Improving disk access speed
D) Minimizing context switching overhead

Answer: B) Synchronizing access to shared resources to prevent race conditions

21.)The primary function of an operating system is to manage the computer's

__________.
A) Hardware
B) Software
C) Network
D) Users
Answer: A) Hardware

22.)One of the main goals of an operating system is to provide a __________

interface for users and applications.
A) Command-line
B) Graphical
C) Network
D) Storage
Answer: B) Graphical

23.)The __________ is a component of the operating system that controls the

execution of processes and manages their scheduling.
A) Memory Manager
B) Process Manager
C) File System
D) Device Driver
Answer: B) Process Manager

24.)The __________ of an operating system ensures that multiple applications can

run simultaneously without interfering with each other.
A) Resource Allocation
B) User Management
C) Security System
D) File Management
Answer: A) Resource Allocation

25.)The primary purpose of the __________ in an operating system is to manage

hardware resources and provide a stable environment for applications to run.
A) Kernel
B) Shell
C) File System
D) User Interface

Answer: A) Kernel

26.)In a __________ architecture, the operating system is divided into separate

modules that can be loaded and unloaded as needed.

A) Monolithic
B) Microkernel
C) Hybrid
D) Layered

Answer: B) Microkernel

27.)The __________ is the interface between the user and the operating system,
allowing users to execute commands and manage system resources.

A) Device Driver
B) API
C) Shell
D) Scheduler

Answer: C) Shell

28.)In the __________ model, the operating system is structured in layers, with
each layer providing services to the layer above it.

A) Monolithic
B) Microkernel
C) Client-Server
D) Layered

Answer: D) Layered

29.)The __________ is a step-by-step procedure that outlines how to complete a task

or project.

A) Process
B) Outcome
C) Result
D) Analysis
Answer: A) Process

30.)In process management, the term __________ refers to the series of actions or
steps taken to achieve a particular end.

A) Procedure
B) Initiative
C) Framework
D) Methodology
Answer: D) Methodology

31.)The __________ model is a representation that outlines the stages of a process,

including inputs, outputs, and feedback.

A) System
B) Flow
C) Feedback
D) Activity
Answer: B) Flow

32.)A process that is currently being executed by the CPU is said to be in the
__________ state.

A) Ready
B) Waiting
C) Running
D) Terminated
Answer: C) Running

33.)When a process is waiting for some event to occur (like I/O completion), it is
in the __________ state.

A) Ready
B) Blocked
C) Running
D) New
Answer: B) Blocked

34.)In a __________ state, a process has been created but has not yet started
execution.

A) Terminated
B) Ready
C) New
D) Running
Answer: C) New

35.)In process management, the _______ is responsible for controlling and managing
the flow of data between different processes.

a) Scheduler
b) Dispatcher
c) Kernel
d) Queue

Answer: b) Dispatcher

36.)The term _______ refers to the act of prioritizing the execution of processes
based on their importance and resource requirements.

a) Scheduling
b) Threading
c) Context switching
d) Load balancing

Answer: a) Scheduling

37.)In the context of process states, a process that is waiting for some event to
occur is said to be in the _______ state.

a) Running
b) Terminated
c) Blocked
d) Ready
Answer: c) Blocked

38.)In interprocess communication, a ________ is used to send messages between

processes.
A) Semaphore
B) Message Queue
C) Mutex
D) Thread

Answer: B) Message Queue

39.)The mechanism used to synchronize access to shared resources in IPC is known as

a ________.
A) Barrier
B) Socket
C) Mutex
D) Pipe

Answer: C) Mutex

40.)
________ allows processes to communicate over a network using sockets.
A) Shared Memory
B) Pipes
C) Remote Procedure Calls (RPC)
D) Signals

Answer: C) Remote Procedure Calls (RPC)