Computer Quiz For Class 3 With Answers
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What is this icon?
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My computer
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My documents
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Recycle bin
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Network
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Is computer your favorite subject? Let's see how much you really know about this interesting course. This quiz covers fundamental concepts such as keyboard usage, mouse operations, identifying computer parts, and basic software functions. Explore topics like typing, clicking, understanding icons, and more. Whether you're new to computers or looking to reinforce your knowledge, this quiz offers a fun and educational experience for young learners. Test your skills, learn new concepts, and embark on an interactive adventure in the digital realm. Join us now, and let's dive into the fascinating world of technology together! Just answer a few simple questions from this quiz and test your knowledge. Please note that this quiz is designed for grade 3 computer science students. All the best!
Quiz Preview
- 2.
What is a computer?
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Program
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Machine
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TV
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Internet
Correct Answer
A. MachineExplanation
The correct answer is "Machine" because a computer is a device that can perform various tasks by executing a set of instructions or programs. It is a combination of hardware components such as a processor, memory, and input/output devices that work together to process data and perform calculations. While a computer can access the internet and display content on a TV, these options are not the primary function of a computer. Therefore, the most accurate description of a computer is a machine.Rate this question:
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- 3.
We can play games on MS Paint.
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True
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False
Correct Answer
A. FalseExplanation
MS Paint is a basic drawing program that cannot have the capability to run or support games. It is primarily used for creating simple drawings or editing images. Therefore, it is not possible to play games on MS Paint.Rate this question:
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- 4.
In airports, computers are used to book tickets.
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True
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False
Correct Answer
A. TrueExplanation
Computers are commonly used in airports for various purposes, including booking tickets. They provide a convenient and efficient way for passengers to search for flights, select seats, and make reservations. Additionally, computers are also used by airport staff to manage and track flight schedules, handle check-ins, and issue boarding passes. Therefore, it is true that computers are used to book tickets in airports.Rate this question:
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- 5.
This is
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Ribbon
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Drawing area
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Home tab
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Tool box
Correct Answer
A. Drawing areaExplanation
The given options represent different elements or components that are commonly found in a software application or program. Among these options, the "Drawing area" is the most suitable answer as it refers to the specific area or space within the software where users can create or draw objects, images, or designs. The other options such as "Ribbon," "Home tab," and "Toolbox" are also common elements in software applications, but they do not specifically indicate the area where drawing or creation takes place.Rate this question:
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- 6.
This device makes the computer work for some time when the power supply goes off. What is the name of this device?
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Printer
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FAX machine
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U.P.S.
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Scanner
Correct Answer
A. U.P.S.Explanation
A UPS (Uninterruptible Power Supply) is a device that provides backup power to a computer or other electronic devices when the main power supply is interrupted. It ensures that the computer can continue to work for a period of time, typically long enough to save any unsaved work and safely shut down the system.Rate this question:
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- 7.
ALU stands for Arithmetic Logic Unit
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True
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False
Correct Answer
A. TrueExplanation
The statement is true because ALU stands for Arithmetic Logic Unit. The ALU is a crucial component of a computer's central processing unit (CPU) that performs arithmetic and logical operations on data. It is responsible for executing mathematical calculations, such as addition, subtraction, multiplication, and division, as well as logical operations like AND, OR, and NOT. Therefore, the correct answer is true.Rate this question:
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- 8.
The parts of the computer that can be touched are called HARDWARE.
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True
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False
Correct Answer
A. TrueExplanation
Hardware refers to the physical components of a computer that can be touched and interacted with, such as the monitor, keyboard, mouse, and CPU. This is in contrast to software, which refers to the programs and instructions that run on the computer. Therefore, the statement that the parts of the computer that can be touched are called hardware is true.Rate this question:
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- 9.
Pressing the left mouse button twice is called a double click.
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True
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False
Correct Answer
A. TrueExplanation
Pressing the left mouse button twice in quick succession is commonly referred to as a double click. This action is often used to perform certain functions or commands on a computer, such as opening a file or selecting a word. It is a standard feature in most operating systems and software applications.Rate this question:
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- 10.
What's in the picture?
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A printer
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A scanner
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A fax machine
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A reader
Correct Answer
A. A scannerExplanation
The correct answer is a scanner. Based on the given options, a scanner is the most suitable choice as it is a device used to convert physical documents or images into digital format. A printer is a device used to produce hard copies of digital documents, a fax machine is used to transmit documents over a telephone line, and a reader is a more generic term that could refer to various devices.Rate this question:
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- 11.
To erase the letter ''P'' what must we press on the keyboard?
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Spacebar
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Enter key
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Backspace key
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Esc Key
Correct Answer
A. Backspace keyExplanation
The backspace key is used to erase the letter "P" in this scenario. When we press the backspace key, it deletes the character before the cursor, which in this case is the letter "P". The spacebar is used to insert a space, the enter key is used to create a new line or execute a command, and the delete key is used to remove the character after the cursor. Therefore, the correct option to erase the letter "P" is the backspace key.Rate this question:
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- 12.
Speaker is an input device
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True
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False
Correct Answer
A. FalseExplanation
The given statement is incorrect. A speaker is not an input device but an output device. It is used to produce sound or audio output. Input devices are used to provide input or send information to a computer system, while output devices are used to receive output or display information from a computer system.Rate this question:
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- 13.
What does C.U. mean?
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Central Unit
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Control Unit
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Center United
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Central Processing Unit
Correct Answer
A. Control UnitExplanation
The correct answer is "Control Unit." C.U. typically stands for Control Unit in the context of computer systems. The Control Unit is responsible for directing and coordinating the activities of all the other hardware components in a computer. It manages the execution of instructions, controls data flow, and ensures that all operations are carried out in the correct sequence.Rate this question:
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- 14.
This is
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An output device
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An input device
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A storage device
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A processing unit
Correct Answer
A. An input deviceExplanation
The given correct answer is "an input device." An input device is a hardware device that allows users to input data or commands into a computer. Examples of input devices include keyboards, mice, scanners, and microphones. These devices enable users to interact with the computer and provide it with the necessary information to perform tasks. Therefore, an input device is the most appropriate explanation for the given options.Rate this question:
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- 15.
Which key must we press to remove characters that are to the right of the cursor position?
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Enter key
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Tab key
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Delete key
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Backspace key
Correct Answer
A. Delete keyExplanation
To erase the letter "U," we need to press the Delete key. The Delete key is specifically designed to remove characters that are to the right of the cursor position. Pressing the Delete key will delete the character at the cursor's position and shift the remaining characters to the left. This action effectively erases the letter "U" from the text. The Enter key is used to create a new line or execute a command, the Tab key is used to move the cursor to the next tab stop, and the Backspace key is used to delete the character to the left of the cursor.Rate this question:
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- 16.
This tool is used to
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Erase a color
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Fill a picture with color
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Draw pictures
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Magnify the drawing area
Correct Answer
A. Fill a picture with colorExplanation
The correct answer is "Fill a picture with color". This tool is commonly used in graphic design software or image editing programs to apply a specific color to an area or shape within a picture. It allows the user to easily fill in large areas or complex shapes with a chosen color, enhancing the overall appearance of the image.Rate this question:
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- 17.
Select only OUTPUT devices
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Mouse
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Speaker
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Monitor
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Keyboard
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Printer
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Microphone
Correct Answer(s)
A. Speaker
A. Monitor
A. PrinterExplanation
The correct answer includes the devices that are used for outputting information. A speaker is an output device that produces sound, while a monitor displays visual output. A printer also falls under the category of an output device as it produces physical copies of documents. Therefore, the answer includes the devices that fulfill the criteria of being output devices.Rate this question:
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Quiz Review Timeline (Updated): Jun 12, 2025 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Jun 12, 2025Quiz Edited by
ProProfs Editorial Team
Expert Reviewed by
Godwin Iheuwa -
Nov 27, 2014Quiz Created by
Lasitha Palakkal
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