WorksheetsComputer Science Quiz Testout I
Total questions: 75
Worksheet time: 38mins
How many bits are in a single byte?
four
eight
twelve
sixteen
Which of the following BEST describes what a kilobyte is a measurement of?
Data throughput
CPU speed
Power level
Storage space
Which of the following BEST describes a flowchart?
It does the same thing over and over in exactly the same way.
It starts at the first line and then executes one line at a time until the end.
It is a visual representation of the logic in a program.
It is a step-by-step procedure that illustrates how a problem is to be solved.
Which of the following BEST describes personal responsibility?
Obeying laws that regulate how computers are used
How you act even if no one is watching
Rules that support your personal values
Provides the basis for your code of ethics
Given the numerical value 1010101.71, which of the following number systems is MOST likely represented?
Hexadecimal
Octal
Decimal
Binary
After running the following pseudocode, what will the value of VARIABLE be? 1. Set value of VARIABLE to 5 2. Increase the value of VARIABLE by 3 3. If the value of VARIABLE is odd, increase its value by 1 4. If the value of VARIABLE is even, increase its value by 1 5. If the value of VARIABLE is odd, increase its value by 1
8
9
10
11
Which of the following programming models are built from class templates that have properties, attributes, and methods?
Vector
Functions
Objects
Encapsulation
Which of the following logic components is being used and how much is the interest if the amount is 5,000? (Select two.) IF amount < 5,000 THEN interest = 7%, ELSE interest = 8%.
Branching
7%
Query
8%
Looping
Which of the following is the correct binary representation of the number 22?
11000
10101
10110
10111
Which of the following transfer rates is the FASTEST?
1,480 Mbps
1,282 Kbps
181 Mbps
1.24 Gbps
A user has entered a search string into an application and clicked on the search icon. Which of the
following is the NEXT step in the computing process?
Processing
Input
Output
Storage
Alan, a programmer, needs to create an interactive web page. Which of the following programming
languages types would he MOST likely use?
Assembly
Interpreted
Compiled
Query
On a flowchart, which of the following represents a decision?
Rectangle
Arrow
Parallelogram
Diamond
Which of the following is data temporarily stored on?
Memory chips
Printed page
Hard drive
Keyboard
Which of the following is something that an Information Technology (IT) professional would do?
Build and repair computers
Create and improve software
Manage grades and enrollments
A developer is creating a program that will store a customer's latest order number. The value will
change each time a customer creates a new order. Which of the following would MOST likely be
used to store the value?
Array
Object
Constant
Variable
Which of the following played vital roles in the advancement of national defense, science, and
social change?
Supercomputers
Hollerith's Tabulating Machine
Smartphones
Microchip
A consumer wants to add a hard drive to their computer to store video from their camera. Which of
the following is the storage capacity of a modern hard disk drive (HDD) purchased from a computer
store?
1,024 kilobytes
4 gigabytes
8 megabytes
Unicode
You are working on a program that needs to keep track of many values at the same time. Which of
the following would you use?
A constant
A variable
A float
An array
Which of the following BEST describes Computer Science (CS)?
It has to do with collecting and utilizing data.
It refers to meeting the technological needs of
businesses.
It refers to everything that involves
computers.
It is the study of computers and computing
concepts.
A developer is creating an application that requires a value to be stored with decimal precision.
Which of the following data types should be used for the variables that will store these values?
Boolean
Integer
String
Float
What is the term for code that keeps running as long as a certain condition is met?
Branch
Decision
For loop
While loop
A software developer wants to provide a compiled executable program to a customer. Which of the
following computer languages would provide this capability?
Ruby
PowerShell
Perl
C++
Which invention allowed computers to become smaller in size?
Laptops
Silicon
Transistors
Vacuum tubes
Which of the following provides a computer system with the ability to retrieve and manipulate data
at a future time?
Transistor
Storage
Microchip
Processing
In object-oriented programming, which of the following concepts is used to describe properties?
Encapsulation
Attributes
Methods
Polymorphism
Mike decides to humiliate a former friend by posting embarrassing photos on social media. Which
ethical standard did he violate?
Property rights
Civility
Human dignity
Confidentiality
Which of the following was the most widely used personal computer application until the mid-90s?
Games
Internet
United States census
Word processing
Which of the following is something a computer scientist would do?
Solve problems in areas like robotics
Help organizations know how to generate
information
Create and maintain computer networks
Help people with their technological needs
Jessica, a programmer, has created specific statements, including conditional loops to accomplish a
task. What has she created?
Algorithm
Pseudocode
Software
Flowchart
The IT staff at a hospital shares genetic information about specific patients with a life insurance
company. Which ethical standard was violated?
Confidentiality
Human dignity
Property rights
Civility
Which of the following is a type of input device?
Hard drive
Touchscreen
Monitor
Speakers
Diana, a developer, needs to program a logic component that will allow the user to enter a series of
values. Which of the following would BEST provide that functionality?
Case statement
Branching
Looping
Scripting
Which of the following is something that an Information Systems (IS) professional would do?
Turn information into meaningful decisions
Create and maintain computer networks
Devise new ways to use computers
Help people with their technology needs
Which of the following BEST describes a code of ethics?
Your personal adherence to your own values
and principles
Laws that regulate how computers are used
A set of rules or standards you adopt that
dictate how you act
Ideals that guide your actions as you work
with computers
Which single digit has the highest value in the hexadecimal number system?
G
F
9
H
Which of the following BEST describes Information Technology (IT)?
IT refers to everything that involves
computers.
IT refers to designing, creating, and improving
software.
IT has to do with collecting and utilizing data.
IT deals with how to turn information into
meaningful decisions.
Which invention made it possible to have an entire computer on a single circuit board?
Silicon
Vacuum tubes
Microchip
Transistors
A user is shopping online and has added two items to the cart. When the user clicks the Checkout
button, the shopping cart programming logic checks to see if the user is logged in already. If the
user is logged in, the checkout process continues, otherwise, the user is prompted to sign in. Which
of the following describes the logical component being used?
Branching
Programming array
Encapsulation
Looping
An example of a MAC address is 00-B0-D0-63-C2-26.
Which of the following notational systems is MOST likely used to represent a MAC address?
Decimal
Binary
Hexadecimal
Octal
Which of the following is a programming identifier that would be used to define values that don't
change?
Arrays
Variables
Constants
Vectors
Which programming language type is the most basic human-readable and closest to actual
machine language?
Interpreted
Query
Assembly
Compiled
Interpreted
Input, processing, storage and output
Input, retrieval, output, and storage
Input, retrieval, processing, and storage
Input/output, processing, and storage
A programmer is creating an application that needs to store a value indicating if the user is logged
in or not. Which of the following would be the BEST data type to accomplish this?
Float
Boolean
Integer
String
Which option is the first process that runs once a computer is powered on and the CPU loads the
BIOS?
Winload.exe
POST
Boot Loader
WININIT
You want to set up a Windows system to also be able to boot to Linux. To be able to dual boot, the
system needs a partition on which to install Linux. However, you don't have an extra hard disk that
can be used for the Linux partition. The existing disk has no unpartitioned space available, but it
has about 300 GB of free space. Which of the following disk management operations will BEST prepare your hard disk for dual boot
in this scenario?
Reformat the disk with the partitions needed
for a dual boot system.
Shrink the primary partition.
Convert the disk from physical to logical
partitions.
Convert the disk from basic to dynamic.
QUESTION 3 OF 70
Which tool can you use to display hardware utilization statistics that tell you about your computer's
operation?
Computer Management
Event Viewer
Advanced System Settings
Resource Monitor
You experience startup errors after you install a new device.
What should you do FIRST to resolve the issue?
Disable automatic restart.
Boot in Safe Mode and roll back the driver.
Boot in Safe Mode and disable all unnecessary
devices.
Recover the system image.
Which of the following is the surest way to prevent the loss of important information on your
mobile device if it is lost, stolen, destroyed, or there is a natural disaster?
Don't put important information on your
mobile device.
Only use apps, such as email apps, that store
data on the app provider's servers.
Configure your device to back up important
data to your personal computer.
Configure your device to remotely back up
important data to the cloud.
From your Windows laptop, you have been working on a large project that has required you to
open a lot of items (programs, files, etc.). It is time to leave the office and make the two-hour
journey home. You will be working on this project a bit more when you arrive at home. Your
computer's battery is failing and only has a very short life span (about one hour) before your
computer loses power.
When you arrive home and open the laptop lid, nothing happens. After plugging in your computer
and powering it on, you find that all of your programs and files have been closed.
To troubleshoot, you open Control Panel and navigate to the settings that control what your
computer will do when the laptop lid is closed.
Which of the following power settings MUST you choose to prevent the same problem in the
future?
When I close the lid: Shut down
When I close the lid: Standby
When I close the lid: Hibernate
When I close the lid: Sleep/Suspend
Joe, a frequent visitor to a branch office, attempts to connect his tablet to the office wireless
network, but is unable to connect to the internet, even though he has verified that the SSID and
password are correct. Joe attempts to connect to a coworker's hotspot, but is still unable to connect
to the internet.
Which of the following is the MOST likely cause of this issue?
Airplane Mode has been set on his tablet.
The connection between the branch office
router and internet service provider is down.
Joe's tablet has been configured with full
device encryption.
MAC filtering has been enabled on the branch
office wireless access point.
After entering a user ID and password, an online banking user must enter a PIN that was sent as a
text message to their mobile phone.
Which of the following digital security methods is being used?
Firewall
Multifactor authentication
Smart card
DLP
Which of the following Windows command line utilities would you use to realign the file structure
on a disk to optimize performance?
chkdsk
fdisk
Disk Management
defrag
Which of the following peripheral devices are designed specifically for playing games on a
computer? (Select two.)
Gamepad
Microphone
Joystick
Digitizer
Which of the following are devices categorized as part of the Internet of Things (IoT)? (Select two.)
Medical sensors
Laptops
Smartwatches
Routers
Which of the following are most helpful in keeping a computer cool? (Select two.)
Verify that cooling fans are not circulating air
in the wrong direction.
Remove the slot cover from the back of the
computer.
Vacuum dust from the system regularly.
Use a high-wattage power supply.
Which of the following is considered a computer input device?
Touchscreen
RAM
Hard disk
Projector
A technician suspects that an app on a tablet device may be surreptitiously using the camera
without permission.
Which of the following would be the BEST way to troubleshoot this issue?
Remove all Bluetooth pairings.
Check the results of a cell tower analyzer.
Perform a soft reset on the device.
Run an anti-malware scan.
Your laptop's LCD screen is beginning to flicker and dim. You have checked the brightness setting
to make sure that it is configured correctly.
Which of the following is the MOST likely cause of your screen issue?
The LCD screen is failing.
The LCD screen inverter is failing.
The video ribbon cable to the screen is
disconnected.
The system is configured to use an external
display port.
You have recently purchased a gaming laptop and want to make sure that it is properly ventilated
to avoid overheating.
Which of the following is the BEST way to avoid overheating the laptop (especially when gaming for
hours)?
Purchase a special laptop cooling base.
Keep all vents clear and unobstructed.
Set the laptop on a hard, solid surface.
Configure Power Options to reduce power
consumption.
You have three computers in your office. You would like to reduce the time it takes to switch from
one computer to the next, and you would like to use only one keyboard, one monitor, and one
mouse for all three computers.
Which of the following devices BEST allows this type of setup?
Router
USB hub
KVM
DVI
Which of the following disk maintenance utilities locates and disposes of files that can be safely
removed from a disk?
Disk Cleanup
Disk Defragmenter
Check Disk
Disk Management
Which of the following devices would you add to a computer if you needed to take inventory at a
retail store by scanning the UPC symbols on products?
Touch screen
Trackball
Bar code reader
Scanner
Which of the following is the BEST method to secure your device's storage?
Full device encryption
Biometric authentication
Locator applications
Remote backup applications
Which peripheral device is best for capturing a customer's signature when they check out at a
convenience store or supermarket?
Card reader
Touchpad
Signature pad
NFC device
You have a mobile device that provides a touchscreen, but does not have touchscreen technology
embedded into the display.
Which of the following mobile device display components provides the touchscreen functionality?
Inverter
OLED
Digitizer
LCD
You are the owner of a small startup company that consists of only five employees. Each employee
has their own computer. Due to the type of services your company offers, you don't foresee the
employee count increasing much in the next year or two. As a startup company, you want to keep
costs low and facilitate easier file sharing and internet, printer, and local network resource access.
Which of the following would be the BEST implementation for your business?
A tree
A domain
A forest
A workgroup
Which utility allows you to choose Selective Startup in Windows?
Performance Monitor
Msconfig (System Configuration)
Msinfo32
Regedit
Which of the following Windows desktop components lets you create multiple desktop to organize
availability for different sets of applications?
Virtual desktop
Settings
Taskbar
Widgets
Marcus was attempting to edit some registry settings on his Windows 11 system. Now, when he
tries to boot his system, it hangs after the Windows splash screen is displayed.
Because he cannot boot to Safe Mode, he boots the system from the Windows installation disc and
accesses the Recovery Environment.
Which Recovery option should Marcus use FIRST to help resolve his boot issue?
Go Back to the Previous Build
Use BOOTMGR
System Restore
Reset this PC
Part of the operating system core is responsible for controlling security, managing the file system,
and providing a platform for applications to run on.
What is the name of this core component?
Interface
Kernel
Central Processing Unit
Driver
Your system hangs immediately after the BIOS information is shown and displays an error loading
operating system error message.
What is the MOST likely source of the problem?
Corrupt boot sector
Inaccessible boot disk
Corrupt MBR or partition table
Missing or corrupt file
You have four volumes on a basic hard disk.
Which of the following are you MOST likely to see as the status of the fourth volume if it is valid and
has no errors?
Healthy (Logical Drive)
Healthy (Dynamic)
Healthy (Primary Partition)
Healthy
You have just purchased a new USB drive that you want to use to troubleshoot the computers in
your company as well as other network devices, such as printers and projectors. You need to
format this new drive with a file system that will be recognized and used on all devices.
Which of the following file system types would meet MOST, if not all, of your needs when
formatting your USB drive?
NFS
FAT32
NTFS
CDFS
Frank is running a program called FrameMaker on his Windows computer. While trying to import
graphics into this program, he sees a spinning wheel for a long time. When Frank clicks on the
application, a message is displayed that indicates that the application is not responding.
Which of the following Microsoft command line tools can BEST shut down the application?
exit
shutdown
del
taskkill
