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Quizzes > Computers & Technology > Computers & IT

4th Grade Computer Quiz: Test Your Knowledge Now

Dive into this computer basics quiz for 4th graders and boost your tech confidence!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art scene with a laptop keyboard mouse books and gears for a 4th grade computer basics quiz on dark blue background.

This 4th grade computer quiz helps you practice core skills in hardware, software, and everyday computer use so you can build confidence fast. Play through quick questions to spot gaps before class, then keep going with another basics quiz or try an online practice test .

What part of the computer shows the visual output of what you are doing?
Keyboard
Monitor
Speaker
Mouse
The monitor is the display screen that shows text, images, and videos from the computer's graphics card. It's sometimes called a display or screen and connects to the computer via HDMI, VGA, or other video ports. Without a monitor, users could not see what they are doing on the computer.
Which device is used to move the cursor and click on things?
Keyboard
Mouse
Microphone
Printer
A mouse is an input device that lets you control the cursor on the computer screen and select items by clicking its buttons. It's one of the most common ways to interact with a graphical user interface. Other input devices like keyboards or microphones have different functions, such as typing or recording sound.
What is the main circuit board inside a computer called?
RAM
Motherboard
Power supply
Hard drive
The motherboard is the primary circuit board that connects all of a computer's components, such as the CPU, RAM, storage devices, and expansion cards. It provides power and facilitates communication between parts. Without the motherboard, the computer's parts cannot work together.
What do we call the physical parts of a computer, like the keyboard and monitor?
Memory
Hardware
Malware
Software
Hardware refers to the tangible, physical components of a computer system, such as the case, monitor, keyboard, and internal parts. This is different from software, which is the set of instructions that tell the hardware what to do. Both hardware and software are necessary for a computer to function.
What do you call a program that helps you write documents?
Word processor
Antivirus
Browser
Spreadsheet
A word processor is software designed for creating, editing, formatting, and printing text documents. Common examples include Microsoft Word and Google Docs. Spreadsheets, browsers, and antivirus programs serve different purposes.
Which key do you press to create a new line in a document?
Enter
Tab
Spacebar
Shift
The Enter key (sometimes called Return) is used to move the cursor to the next line or add a line break in most text and document applications. The other keys have different functions, such as creating spaces or modifying characters.
What file extension do you usually see for a Microsoft Word document?
.docx
.xlsx
.pptx
.mp3
Microsoft Word documents typically use the .docx extension, introduced with Word 2007 as part of the Office Open XML standard. The .xlsx extension is used for Excel spreadsheets, .pptx for PowerPoint presentations, and .mp3 is an audio format.
What is the first thing you should do before turning off a computer?
Close the monitor
Unplug it
Click the mouse
Save your work
Saving your work ensures that any changes or new files are written to the storage device before the computer shuts down. Closing the monitor or unplugging can cause data loss if files aren't saved properly.
What does RAM stand for in a computer?
Run Access Memory
Random Access Memory
Rapid Application Model
Read After Memory
RAM, or Random Access Memory, is volatile memory that temporarily stores data and instructions that the CPU needs while performing tasks. It is faster than permanent storage but loses its data when the computer is turned off.
Which of these is NOT an internet browser?
Google Chrome
Microsoft Word
Safari
Mozilla Firefox
Microsoft Word is a word processing program, not an internet browser. Internet browsers like Chrome, Firefox, and Safari are used to navigate and display web pages.
What symbol is used at the beginning of an email address?
@
#
&
$
The @ symbol separates the user name from the domain in an email address (e.g., user@example.com). It is a standard part of email syntax worldwide.
In file management, what do you call a collection of files?
Spreadsheet
Folder
Window
Slide
A folder (or directory) is used to organize multiple files in a hierarchical structure on your computer. Folders can contain other folders and help you keep documents, images, and programs in order.
Which key combination is used to copy selected items?
Ctrl + Z
Ctrl + C
Ctrl + V
Ctrl + X
In most computer applications on Windows, pressing Ctrl + C will copy the selected text or objects to the clipboard. Ctrl + V pastes, Ctrl + X cuts, and Ctrl + Z undoes the last action.
What is the function of an antivirus program?
Protect against malware and viruses
Edit photos
Browse the internet
Play music
Antivirus software scans, detects, and removes malicious programs such as viruses, worms, and trojans to keep computers safe. It often includes real-time protection features to prevent infections.
What does URL stand for?
User Resource Locator
Unique Real Link
Uniform Resource Locator
Uniform Readable Language
URL stands for Uniform Resource Locator and specifies the address of a resource on the internet, such as a web page. It includes the protocol, domain, and optional file path.
Which part of a computer stores data permanently?
CPU
GPU
Hard drive
RAM
A hard drive (HDD) or solid-state drive (SSD) provides non-volatile storage that retains data when the computer is powered off. RAM is temporary memory that is cleared when the power is cut.
What is the main function of the CPU in a computer?
Store files permanently
Display images on the screen
Process instructions and perform calculations
Supply power to the computer
The CPU (Central Processing Unit) is the brain of the computer; it fetches instructions from memory, decodes them, and performs calculations or logical operations. Without the CPU, programs could not run.
In Microsoft Excel, what is the name for the intersection of a row and a column?
Grid
Cell
Sheet
Table
A cell is the basic unit in a spreadsheet where a row and column intersect. You can enter data, formulas, or functions in a cell. Multiple cells form rows and columns on a sheet.
What is the default port number for HTTP web traffic?
25
21
443
80
Port 80 is the default port that web servers use to listen for HTTP traffic. Secure HTTP (HTTPS) uses port 443, FTP uses 21, and SMTP uses 25.
Which protocol is used to securely browse websites?
SMTP
FTP
HTTPS
TCP
HTTPS (HyperText Transfer Protocol Secure) adds encryption via TLS/SSL to standard HTTP, protecting data exchanged between the browser and server. FTP is for file transfers, SMTP for email, and TCP is a core transport protocol.
What does GUI stand for?
General Utility Interface
Graphical Unified Internet
Graphical User Interface
Global User Index
GUI stands for Graphical User Interface and refers to interactive elements like windows, icons, and menus that let users interact with software visually instead of typing commands.
What is the purpose of a firewall in computer networking?
Speed up the processor
Control the monitor brightness
Block unauthorized network access
Store backup files
A firewall monitors and filters incoming and outgoing network traffic based on security rules. It helps protect networks from unauthorized access and cyber threats.
Which of the following is a block-based coding platform for kids?
Scratch
Python
JavaScript
C++
Scratch is a visual, block-based programming environment created by MIT for children to learn coding concepts by snapping together code blocks. Python, JavaScript, and C++ use text-based code.
What is the binary representation of the decimal number 5?
010
111
101
100
In binary, each digit represents a power of two. The number 5 is 1×2² + 0×2¹ + 1×2?, which is written as 101 in binary.
In computer science, what is the term for a set of instructions that repeats until a condition is met?
Function
Loop
Array
Variable
A loop is a programming construct that repeats a sequence of instructions until a specified condition becomes false or true, depending on the type of loop. Common loops include 'for', 'while', and 'do-while'.
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Study Outcomes

  1. Identify Key Hardware Components -

    Students will be able to recognize common computer parts such as the monitor, keyboard, mouse, and CPU and describe their basic functions.

  2. Explain Fundamental Software Roles -

    Students will distinguish between operating systems and applications and explain how each software type helps computers perform tasks.

  3. Navigate Basic File Operations -

    Students will demonstrate how to open, save, and organize files and folders in a simple desktop environment.

  4. Apply Proper Input Device Skills -

    Students will use the keyboard and mouse accurately to interact with computer programs and complete tasks.

  5. Practice Digital Safety Basics -

    Students will analyze simple online safety guidelines, like keeping passwords private and recognizing secure websites.

  6. Use Computer Terminology Confidently -

    Students will correctly use common tech terms such as download, upload, file, and folder when describing computer processes.

Cheat Sheet

  1. Understanding Computer Hardware -

    Hardware refers to the physical parts of a computer, such as the CPU (its "brain"), monitor, and keyboard. A common mnemonic to remember key components is "M-RAM-C": Monitor, RAM, Applications, Mouse, CPU. Reviewing these will help you ace the 4th grade computer quiz.

  2. Distinguishing Input and Output Devices -

    Input devices like keyboards and mice let you send commands to the computer, while output devices like monitors and printers display results. Remember "I comes before O" like the alphabet - Input first, Output second - to keep them straight. This trick is perfect for the elementary computer quiz section on input/output.

  3. Software Essentials: System vs. Application -

    Software is a set of instructions that tells the hardware what to do, and it comes in two main types: system software (like the operating system) and applications (like word processors or games). Think of your OS as the computer's manager and apps as the workers doing specific tasks. Knowing this distinction is crucial for any computer skills test grade 4.

  4. Basics of File Management -

    Organizing and saving your work in folders makes it easy to find later, and the shortcut Ctrl+S is your best friend for quick saves. You can imagine your desktop as a desk and folders as drawers - kept neat, you won't lose any important documents. This practice is a staple in computer basics for 4th graders and will show up on your quiz.

  5. Internet Safety and Strong Passwords -

    Staying safe online involves creating strong passwords using a mix of uppercase letters, numbers, and symbols - aim for at least eight characters. A handy phrase to remember is "My Dog Ate 2 Donuts!" to create a password like MyDaA2D!. Mastering these habits boosts confidence and is often tested in a 4th grade tech quiz.

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