NOS 110 Module 1 Exam Questions And 100%
Correct Answers 2025-2026
Which of the following is a basic function all computers do? (Choose three.) - Answer
Processing
Input
Output
Which of the following carries out instructions provided to it by computer programs? -
Answer CPU
You have been asked to create a process that always runs in the background and
controls network traffic. What is the type of process you are being asked to write? -
Answer service
Which of the following is a feature provided by an operating system? (Select two.) File
System Kernel
Your friend told you about some program he was working on that ran on a
microcontroller and read sensors and wrote to devices that controlled industrial
equipment. What type of system would his program most likely be working with?
embedded system
At coffee, your colleague says that co-operative multitasking is the better operating
system design. How do you reply? (Choose three.) A) One of the drawbacks with
co-operative multitasking is that it relies on each application to decide when to yield
control back to the OS.
Co-operative multitasking OSs can hang if a process enters an endless loop.
,Modern operating systems use preemptive multitasking so that the operating system is
fully in control.
You have been asked to recommend an operating system for a project which requires
precise timing of I/O devices and deterministic response times to events. Which OS
would you recommend? - Ans VxWorks
Which of the following is best to run on a client operating system? - Ans Web browser
Which part of the operating system is called when a process is to be assigned memory
and placed on an execution schedule? Answer kernel
A new application you are installing is critical to business operations and there is a need
to avoid any sort of downtime. Besides, response times are required to be fast and thus
performance needs to be scaled when more users start using the system. What OS and
server hardware feature you will consider implementing on the system where the
application is to be installed? -Answer: clustering
Which of the following is a good description of the MS-DOS operating system? Answer
standalone
Which of the following would you be most likely to find in firmware? Answer bootstrap
A coworker asks you where the code for the power-on self test resides. What should you
tell her? Answer non-volatile memory
You are writing a program that needs to turn interrupts on and off. What mode does your
program need to run in on the CPU? Answer kernel mode
Your manager has asked you to kill a process running on a Linux server. Before you are
able to kill the process, what would you need to know? - Answer the PID
, Which two of the following are ways that a process is created? (Choose two.) - Answer
by the bootloader
by the user
Which two of the following are done by the BIOS? (Choose two.) - Answer runs the
power-on self-test
starts the operating system
Which of the following I/O handling technique employs the round-robin technique: -
Answer polling
Which operating system type is most likely to be a component of an embedded system? -
Answer real-time
What security and protection service validates an account whether or not to perform an
action to an operating system? - Answer authorization
The primary function of a ___________ is to execute applications requested by user and
request data from network servers when needed - Answer Client Operating System
The main function of a _________ is to share network resources and provide network
services to clients - Answer Server operating system
_____is the ability of a system to recover from a hardware or software failure - Answer
Fault tolerance
A server OS typically supports _____, which is the ability of two or more servers to act as
one - Answer clustering
Correct Answers 2025-2026
Which of the following is a basic function all computers do? (Choose three.) - Answer
Processing
Input
Output
Which of the following carries out instructions provided to it by computer programs? -
Answer CPU
You have been asked to create a process that always runs in the background and
controls network traffic. What is the type of process you are being asked to write? -
Answer service
Which of the following is a feature provided by an operating system? (Select two.) File
System Kernel
Your friend told you about some program he was working on that ran on a
microcontroller and read sensors and wrote to devices that controlled industrial
equipment. What type of system would his program most likely be working with?
embedded system
At coffee, your colleague says that co-operative multitasking is the better operating
system design. How do you reply? (Choose three.) A) One of the drawbacks with
co-operative multitasking is that it relies on each application to decide when to yield
control back to the OS.
Co-operative multitasking OSs can hang if a process enters an endless loop.
,Modern operating systems use preemptive multitasking so that the operating system is
fully in control.
You have been asked to recommend an operating system for a project which requires
precise timing of I/O devices and deterministic response times to events. Which OS
would you recommend? - Ans VxWorks
Which of the following is best to run on a client operating system? - Ans Web browser
Which part of the operating system is called when a process is to be assigned memory
and placed on an execution schedule? Answer kernel
A new application you are installing is critical to business operations and there is a need
to avoid any sort of downtime. Besides, response times are required to be fast and thus
performance needs to be scaled when more users start using the system. What OS and
server hardware feature you will consider implementing on the system where the
application is to be installed? -Answer: clustering
Which of the following is a good description of the MS-DOS operating system? Answer
standalone
Which of the following would you be most likely to find in firmware? Answer bootstrap
A coworker asks you where the code for the power-on self test resides. What should you
tell her? Answer non-volatile memory
You are writing a program that needs to turn interrupts on and off. What mode does your
program need to run in on the CPU? Answer kernel mode
Your manager has asked you to kill a process running on a Linux server. Before you are
able to kill the process, what would you need to know? - Answer the PID
, Which two of the following are ways that a process is created? (Choose two.) - Answer
by the bootloader
by the user
Which two of the following are done by the BIOS? (Choose two.) - Answer runs the
power-on self-test
starts the operating system
Which of the following I/O handling technique employs the round-robin technique: -
Answer polling
Which operating system type is most likely to be a component of an embedded system? -
Answer real-time
What security and protection service validates an account whether or not to perform an
action to an operating system? - Answer authorization
The primary function of a ___________ is to execute applications requested by user and
request data from network servers when needed - Answer Client Operating System
The main function of a _________ is to share network resources and provide network
services to clients - Answer Server operating system
_____is the ability of a system to recover from a hardware or software failure - Answer
Fault tolerance
A server OS typically supports _____, which is the ability of two or more servers to act as
one - Answer clustering
