A Basic Computer Test For 3rd Grade

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| By Gregorynaomi

Gregorynaomi

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Quizzes Created: 1462 | Total Attempts: 861,493

Questions: 10 | Attempts: 5,776 | Updated: Oct 23, 2024

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A Basic Computer Test For 3rd Grade - 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?

Questions and Answers

1.

Which of these is not a part of the computer?
- A.
  
  Keyboard
- B.
  
  Mouse
- C.
  
  Scanner
- D.
  
  Pen
Correct Answer
D. 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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2
2.

Which of these units does mouse belong to?
- A.
  
  Input
- B.
  
  Output
- C.
  
  Processing
- D.
  
  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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8
3.

What does Control V stand for?
- A.
  
  Copy
- B.
  
  Paste
- C.
  
  Save
- D.
  
  Do
Correct Answer
B. 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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14
4.

Which of these is not a characteristic of a computer?
- A.
  
  Speed
- B.
  
  Accuracy
- C.
  
  Efficiency
- D.
  
  Sluggishness
Correct Answer
D. 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
5.

Whati is the longest key of the compuer keyboard?
- A.
  
  Function Key
- B.
  
  Space Bar
- C.
  
  Backspace
- D.
  
  Control Key
Correct Answer
B. 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
6.

Which of these is not an output device?
- A.
  
  Speaker
- B.
  
  Monitor
- C.
  
  Printer
- D.
  
  Mouse
Correct Answer
D. 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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21
7.

What does Control S stand for?
- A.
  
  Save
- B.
  
  Shift
- C.
  
  Re-do
- D.
  
  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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8
8.

Which of these is odd?
- A.
  
  Mouse
- B.
  
  Light pen
- C.
  
  Joystick
- D.
  
  Black Pen
Correct Answer
D. 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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5
9.

Which of these operations is not performed on information by the computer?
- A.
  
  Receiving
- B.
  
  Processing
- C.
  
  Storage
- D.
  
  Destruction
Correct Answer
D. 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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7
10.

What is the brain of the computer?
- A.
  
  CPU
- B.
  
  Mouse
- C.
  
  Keyboard
- D.
  
  Printer
Correct Answer
A. CPU

Explanation
The CPU, or Central Processing Unit, is often referred to as the brain of the computer. It is responsible for executing instructions and performing calculations, making it a crucial component in the functioning of a computer. The CPU processes data and controls the other components of the computer system, allowing it to perform tasks and run programs efficiently.

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5