Deck 1: Operating Systems Fundamentals

Question 1

What can occur in an operating system when a system error such as divide by zero happens?

A) NMI
B) masking
C) polling
D) ISR

Answer 1

A

Question 2

The code that exchanges information with hardware devices is referred to as which of the following?

A) BIOS
B) file system
C) application
D) device driver

Answer 2

D

Question 3

A user, Tim, is sitting at a Windows 10 client computer running an application when he sees a message that another user is trying to access the computer remotely using RDP. The other user cannot access the computer until Tim signs out of Windows. What type of OS is the computer most likely running?

A) single-user
B) single-tasking
C) multiuser
D) server

Answer 3

A

Question 4

A user typed the name of a program at the command-line and pressed Enter. A user interface appeared on the screen. What function did the OS perform?

A) started a process
B) loaded a driver
C) scheduled a service
D) loaded the file system

Question 5

Which of the following is created by a device to get the CPU's attention when a device has input or output data that is ready to process?

A) file handle
B) polling
C) interrupt
D) trap

Question 6

Which of the following is a service most likely provided by a server OS?

A) web browser
B) word processor
C) DHCP client
D) directory service

Question 7

You have installed a new network adapter in a computer and rebooted the operating system. You go to check the settings of the network adapter, but you cannot find the device in Windows. What is the most likely problem?

A) CMOS settings
B) kernel configuration
C) bad or missing device driver
D) user interface configuration

Question 8

Which operating system role does Windows 10 most closely fit?

A) server
B) standalone
C) client
D) clustering

Question 9

Which of the following accurately describes preemptive multitasking?

A) The OS waits for an application to release control of the processor.
B) The OS is in strict control of which processes get CPU time.
C) The user controls which application uses the CPU and when.
D) The CPU lets each application run for a fixed amount of time.

Question 10

Which type of computing device is designed to perform a specific task such as controlling a refrigerator, and has less than 64 KB of RAM?

A) supercomputer
B) embedded system
C) real-time OS
D) mainframe

Question 11

Which of the following is NOT a task performed by the computer's BIOS?

A) performs diagnostic tests
B) manages random access memory
C) starts the bootloader
D) initializes I/O devices

Question 12

You are testing out a new multitasking operating system. In your testing, you find that some applications are not getting sufficient CPU time while other applications are getting more than enough CPU time. Which component is responsible for determining how much CPU time each application gets?

A) BIOS
B) CPU
C) shell
D) kernel

Question 13

If you need to change specific parameters controlling the way your computer boots, which of the following components would you configure?

A) CPU
B) API
C) BIOS
D) Kernel

Question 14

You want to terminate a process on a Linux computer using the kill PID command where PID is the process ID and you don't know the process ID. Which command do you need to run first?

A) ls
B) ps
C) rm
D) cd

Question 15

A computer has an operating system installed that is running a directory service and is configured to run without a GUI. What type of OS is most likely installed on the computer?

A) server
B) client
C) mobile
D) real-time

Question 16

Which OS feature prevents accidental unauthorized access to memory by a program?

A) I/O management
B) process and service management
C) security and resource protection
D) storage management

Question 17

Which of the following does NOT require a device driver to be installed in the OS?

A) installing additional RAM
B) installing a DVD drive
C) installing a new monitor
D) installing a printer

Question 18

When a user clicks the X in a window to close an application, which OS feature is invoked?

A) process and service management
B) security and resource protection
C) storage management
D) device management

Question 19

Which of the following is a program in firmware that locates and loads the bootloader program?

A) process
B) POST
C) bootstrap
D) LILO

Question 20

You are listening to music on an old smartphone and you switch to the web browser app which causes your music to stop playing. What type of OS is most likely installed on the smartphone?

A) multitasking
B) multiuser
C) real-time
D) single-tasking

Question 21

Which feature of an OS provides a method for users to interact with the computer?

A) user interface
B) storage management
C) process management
D) resource protection

Question 22

You are a computer consultant called in to a manufacturing plant. The plant engineer needs a system to control their assembly line that includes robotic arms and conveyors. Many sensors are used and precise timing is required to manufacture the product. Of the following choices, which OS would you recommend to be used on the computing system that controls the assembly line and why?

A) iOS 4 because it is multitasking
B) MS-DOS because it is single-tasking
C) LynxOS because it is an RTOS
D) Windows Server 2019 because it is multiuser

Question 23

A user has created a new folder on their computer to store financial documents. Which OS feature allows the user to create folders and store files on the hard disk.

A) process and service management
B) memory and I/O management
C) kernel
D) storage management

Question 24

What happens on a computer that runs a cooperative multitasking OS if a process runs in an infinite loop?

A) the OS removes the task from memory
B) the central processing unit executes a Halt instruction
C) another process takes over the CPU
D) the system becomes unresponsive

Question 25

Which component of an OS runs with the highest priority?

A) user interface
B) kernel
C) file system
D) user applications

Question 26

Which of the following is a general-purpose OS that can be categorized as standalone?

A) Windows 3.11
B) QNX
C) Android
D) MS-DOS

Question 27

Where is the UEFI most likely to be stored on a modern computer?

A) RAM
B) flash memory
C) hard disk
D) ROM

Question 28

Which computer is most likely to run a cooperative multitasking operating system?

A) an embedded system that controls a refrigerator
B) a 16-bit desktop computer built in 1992
C) a smartphone built in 2020
D) a server running DHCP, DNS, and Active Directory

Question 29

In the OS boot procedure, which step occurs after the CPU starts?

A) The OS is located by the firmware.
B) The OS is loaded into RAM
C) The CPU executes the firmware startup routines
D) OS processes and services are started.

Question 30

What type of user interface did IBM PCs running MS-DOS have?

A) GUI
B) point-and-click
C) command line
D) X windows

Question 31

Which of the following is a program that runs in the background and does not have a user interface?

A) process
B) service
C) interrupt
D) bus

Question 32

Where is the BIOS configuration data stored?

A) EPROM
B) hard drive
C) CMOS
D) ROM

Question 33

Which of the following is one of the tasks performed by a computer's BIOS?

A) interrupts
B) multitasking
C) storage management
D) POST

Question 34

Which of the following is usually found in firmware and plays a part in starting an operating system?

A) bootstrap
B) LILO
C) NTLDR
D) bootloader

Question 35

Which of the following features is the least likely to be installed on a computer in which the primary role it will play in the network is a client?

A) DHCP
B) clustering
C) word processor
D) NFS

Question 36

On a preemptive multitasking system, what event can occur to preempt a running process and allow a new process to get control of the CPU?

A) time slice expiration
B) an infinite loop
C) a lower priority process requires the CPU
D) a memory error

Question 37

On a cooperative multitasking system, two processes are loaded in memory and process 1 is running. What must occur before process 2 can run?

A) a timer must expire indicating process 1's time is up
B) process 1 must relinquish control of the CPU
C) process 2 must request control of the CPU from process 1
D) the OS must stop process 1 from executing

Question 38

A user is running a word processor, a spreadsheet program, a web browser, and listening to music on their computer. The user tries to open a video file and the computer displays a message indicating that there is not enough RAM to load the file. The user closes the web browser and then successfully opens the video file. Which component of an OS prevented the user from opening the file and then allowed the user to open the file?

A) user interface
B) memory and I/O management
C) security and resource protection
D) storage management

Question 39

A colleague of yours is configuring Performance Options on Windows Server 2019 and wants to know how the Processor scheduling setting should be configured. What should you tell him?

A) Programs
B) Foreground processes
C) Background services
D) Applications

Question 40

Which type of modern computer system is most likely to run a single-tasking OS?

A) embedded system
B) smartphone
C) server
D) desktop client

Question 41

Which OS is used the most on modern user desktop computers in business environments?

A) macOS
B) Linux
C) OS2
D) Windows

Question 42

Which feature of modern CPUs help prevent user applications from accessing memory used by the operating system or other processes?

A) interrupts
B) privileged mode
C) memory manager
D) the kernel

Question 43

What are the two main design standards of UNIX operating systems?

A) BSD and SVR4
B) BSD and Fedora
C) Linux and macOS
D) SVR4 and Solaris

Question 44

Which OS component performs the job of managing interrupt handlers and device drivers?

A) BIOS
B) process manager
C) memory manager
D) kernel

Question 45

What type of software is developed by volunteers, contains code in the public domain, and helped to make Linux popular?

A) proprietary
B) patented
C) freeware
D) open source