A Basic Computer Test For 3rd Grade

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  • 1/10 Questions

    What is the brain of the computer? 

    • CPU 
    • Mouse
    • Keyboard 
    • Printer
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About This Quiz

The world over, computers are known as machines that accept instructions through the mouse or keyboard, process the result in the central processing unit and gives an output of the result in a presentable format through the printer or speaker. The computer can perform all of these because of codes written by programmers. Do you know these too?

A Basic Computer Test For 3rd Grade - Quiz

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  • 2. 

    Which of these is not a part of the computer?

    • Keyboard

    • Mouse

    • Scanner

    • Pen

    Correct Answer
    A. Pen
    Explanation
    A pen is not a part of the computer. A keyboard, mouse, and scanner are all input devices that are commonly used with computers to input data or commands. However, a pen is not typically considered a part of the computer hardware and is not used for inputting data or commands into the computer. Therefore, the correct answer is Pen.

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  • 3. 

    What is the longest key of the compuer keyboard?

    • Function Key

    • Space Bar

    • Backspace

    • Control Key

    Correct Answer
    A. Space Bar
    Explanation
    The longest key on a computer keyboard is the Space Bar. It is the largest key and is located at the bottom center of the keyboard. The Space Bar is used to create a space between words or characters when typing. It is longer than the other keys mentioned in the options, such as the Function Key, Backspace, and Control Key.

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  • 4. 

    Which of these is not a characteristic of a computer?

    • Speed

    • Accuracy

    • Efficiency

    • Sluggishness

    Correct Answer
    A. Sluggishness
    Explanation
    Sluggishness is not a characteristic of a computer because computers are designed to perform tasks quickly and efficiently. They are known for their speed in processing information, their ability to perform tasks accurately, and their efficiency in completing tasks. Sluggishness refers to a slow and unresponsive behavior, which is not a desirable trait in a computer. Therefore, sluggishness does not align with the typical characteristics of a computer.

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  • 5. 

    What does Control S stand for?

    • Save

    • Shift

    • Re-do

    • Swipe

    Correct Answer
    A. Save
    Explanation
    Control S is a keyboard shortcut that is commonly used to save a document or file. By pressing the Control key and the S key simultaneously, the user can quickly save their work without having to navigate through menus or use a mouse. This shortcut is widely recognized and used across various software applications, making it a convenient and efficient way to save progress and prevent data loss.

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  • 6. 

    What does Control V stand for?

    • Copy

    • Paste

    • Save

    • Do

    Correct Answer
    A. Paste
    Explanation
    Control V is a keyboard shortcut that is commonly used to paste copied content. When you copy something, it is stored in the clipboard, and by pressing Control V, you can easily insert that content into a different location. Therefore, Control V stands for Paste.

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  • 7. 

    Which of these operations is not performed on information by the computer? 

    • Receiving 

    • Processing 

    • Storage 

    • Destruction 

    Correct Answer
    A. Destruction 
    Explanation
    Destruction is not performed on information by the computer. The computer is designed to receive, process, and store information, but it does not have the capability to intentionally destroy information. Destruction of information is usually done by humans, either by deleting files or physically destroying storage devices.

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  • 8. 

    Which of these units does mouse belong to?

    • Input

    • Output

    • Processing

    • Storage

    Correct Answer
    A. Input
    Explanation
    A mouse is an input device that allows users to interact with a computer by moving a cursor on the screen and selecting items. Therefore, it belongs to the "Input" unit, as it is used to input data into the computer system.

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  • 9. 

    Which of these is not an output device?

    • Speaker

    • Monitor

    • Printer

    • Mouse

    Correct Answer
    A. Mouse
    Explanation
    A mouse is not an output device but rather an input device. It is used to navigate and interact with the computer by moving the cursor on the screen. Output devices, on the other hand, are used to display or produce information from the computer, such as speakers for audio output, monitors for visual output, and printers for hard copy output.

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  • 10. 

    Which of these is odd? 

    • Mouse

    • Light pen

    • Joystick 

    • Black Pen

    Correct Answer
    A. Black Pen
    Explanation
    Among the items listed, "Black Pen" is the odd one out in the context of a computer. The other items, "Mouse," "Light pen," and "Joystick," are input devices commonly used with computers for various purposes, while a black pen does not serve as a computer input device.

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  • Current Version
  • Apr 18, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • May 02, 2019
    Quiz Created by
    Gregorynaomi
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