Grade 7 Basic Computer Knowledge Quiz!

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  • 1/23 Questions

    We can download apps from app store (depending on the type of OS).

    • True
    • False
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About This Quiz

This Grade 7 Basic Computer Knowledge Quiz assesses fundamental computing skills, covering topics like application software, number systems, and device characteristics. It's designed to enhance understanding and proficiency in basic computer operations, suitable for young learners.

Grade 7 Basic Computer Knowledge Quiz! - Quiz

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  • 2. 

    Which is not a audio/video calling app?

    • Internet Explorer

    • FaceTime

    • Skype

    • Google Duo

    Correct Answer
    A. Internet Explorer
    Explanation
    Internet Explorer is a web browser developed by Microsoft and is not primarily designed for audio/video calling. It is used for browsing the internet and accessing web pages, whereas the other options listed (FaceTime, Skype, and Google Duo) are specifically designed for audio/video communication purposes.

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  • 3. 

    Which app is used to watch videos?

    • IMessage

    • YouTube

    • Skype

    • Google Hangouts

    Correct Answer
    A. YouTube
    Explanation
    YouTube is the correct answer because it is a popular app specifically designed for watching videos. It is a platform where users can upload, share, and view videos on various topics. YouTube offers a wide range of content including music videos, tutorials, vlogs, documentaries, and more. It has become the go-to app for video consumption, making it the obvious choice for watching videos.

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  • 4. 

    Smartphones can run only one or two apps.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Smartphones are capable of running multiple apps simultaneously. This is one of the main advantages of smartphones compared to traditional mobile phones. Users can switch between different apps, multitask, and run various applications simultaneously, enhancing their productivity and convenience. Therefore, the statement that smartphones can run only one or two apps is false.

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  • 5. 

    Tablets are same as smartphones, there is no difference.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because tablets and smartphones are not the same. While both are portable devices that can be used for various tasks, tablets typically have larger screens and are designed for more productivity-oriented tasks, such as reading, writing, and editing documents. Smartphones, on the other hand, are smaller and more focused on communication and convenience, with features like calling, texting, and mobile apps. Therefore, there is a clear difference between tablets and smartphones.

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  • 6. 

    Which is not a mobile operating system?

    • Blackberry

    • IOS

    • Java

    • Android

    Correct Answer
    A. Java
    Explanation
    Java is a programming language, not a mobile operating system. It is used to develop applications that can run on different operating systems, including mobile operating systems like Android and iOS. However, Java itself is not an operating system. Blackberry, iOS, and Android are all examples of mobile operating systems that are used in smartphones and tablets.

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  • 7. 

    Compiler and Interpreter are same.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Compiler and Interpreter are not the same. They are two different types of language translators. A compiler takes the entire program and converts it into machine code all at once, creating an executable file. On the other hand, an interpreter translates the program line by line, executing it directly without creating an executable file.

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  • 8. 

    Which is not true about a tablet?

    • It has a mobile operating system

    • It is bigger than smartphone

    • It has a desktop operating system

    • It has some in built-in applications

    Correct Answer
    A. It has a desktop operating system
    Explanation
    A tablet typically does not have a desktop operating system. Tablets usually run on mobile operating systems like iOS or Android, which are designed for touchscreens and optimized for mobile devices. Desktop operating systems like Windows or macOS are typically found on traditional computers or laptops, not on tablets.

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  • 9. 

    Set of rules are called syntax.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In computer programming, a set of rules that define the structure and organization of a program is called syntax. These rules determine how statements and expressions should be written in order for the program to be considered valid and executable. Therefore, the statement "Set of rules are called syntax" is true.

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  • 10. 

    The computer hardware only understands machine language.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Computer hardware is designed to understand and execute instructions written in machine language, which is a low-level programming language consisting of binary code. Machine language is the only language that the hardware directly understands and can execute. Other high-level programming languages like C++, Java, or Python need to be translated into machine language before they can be executed by the hardware. Therefore, the statement "The computer hardware only understands machine language" is true.

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  • 11. 

    Operating System is an example of Hardware.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is incorrect. Operating System is not an example of hardware. It is a software that manages computer hardware and provides services for computer programs. Hardware refers to the physical components of a computer system, such as the motherboard, processor, memory, and storage devices.

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  • 12. 

    The HTTP protocol is used in client-server model.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The HTTP protocol is indeed used in a client-server model. This means that it operates by establishing a connection between a client, typically a web browser, and a server, which hosts the requested web content. The client sends an HTTP request to the server, and the server responds with the requested data, such as a web page or a file. This client-server interaction is fundamental to the functioning of the HTTP protocol.

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  • 13. 

    All app development software are not free.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement "All app development software are not free" implies that no app development software is free. However, this is not true as there are some app development software available for free. Therefore, the correct answer is False.

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  • 14. 

    Which of these is not an example of application software?

    • Windows

    • Payroll

    • Inventory

    • Report Card

    Correct Answer
    A. Report Card
    Explanation
    Windows, Payroll, and Inventory are all examples of application software because they are programs that perform specific tasks or functions. However, a "Report Card" is not typically considered application software. It is usually a document or a report generated by an application software, such as a school management system or a grading software. Therefore, "Report Card" is not an example of application software itself.

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  • 15. 

    Which of the number is equivalent to 1011?

    • 11

    • 12

    • 10

    • 14

    Correct Answer
    A. 11
    Explanation
    The number 1011 is equivalent to 11 because it is written in binary form. In binary, each digit can only be 0 or 1, and the value of each digit is determined by its position. Starting from the rightmost digit, the positions are 2^0, 2^1, 2^2, and so on. So, in this case, 1*2^0 + 1*2^1 + 0*2^2 + 1*2^3 equals 11.

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  • 16. 

    Which is not a correct octal number?

    • 53.36

    • 89.42

    • 31.01

    • 22

    Correct Answer
    A. 89.42
    Explanation
    Octal numbers only contain digits from 0 to 7. Therefore, 89.42 is not a correct octal number as it contains the digit 8, which is not valid in octal representation.

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  • 17. 

    Which of the following have the MSD as 9?

    • 98.90

    • 12.09

    • 899

    • 7.91

    Correct Answer
    A. 98.90
    Explanation
    The number 98.90 has a MSD (Most Significant Digit) of 9 because the digit 9 is the leftmost digit in the number.

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  • 18. 

    Program written in high level language is called object code.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given statement is incorrect. A program written in a high-level language is not called object code. Object code refers to the compiled form of a program written in a low-level language, such as assembly language or machine code. High-level languages are used to write source code, which is then compiled or interpreted to generate object code or executable files. Therefore, the correct answer is false.

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  • 19. 

    In 56.890, Which is the LSD?

    • 0

    • 6

    • Both i and ii

    • 8

    Correct Answer
    A. 0
    Explanation
    The LSD (Least Significant Digit) refers to the rightmost digit in a number. In the given number 56.890, the rightmost digit is 0. Therefore, the correct answer is 0.

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  • 20. 

    C, C++, C# are examples of assembly language.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given statement is false. C, C++, and C# are not examples of assembly language. They are high-level programming languages that are used to write software programs. Assembly language, on the other hand, is a low-level programming language that is specific to a particular computer architecture and is used to write programs that directly interact with the hardware.

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  • 21. 

    Which kind of apps are written in the native language of the device?

    • Web

    • Native

    • Hybrid

    • All the above

    Correct Answer
    A. Native
    Explanation
    Native apps are written in the native language of the device, which means they are specifically developed for a particular operating system such as iOS or Android. These apps are built using programming languages like Swift or Objective-C for iOS and Java or Kotlin for Android. Native apps have the advantage of utilizing the full capabilities of the device and providing a seamless user experience. They can access device features like camera, GPS, and push notifications.

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  • 22. 

    Program execution consists of compiling, linking, and loading.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because program execution consists of loading, linking, and executing, not compiling. Compiling is the process of converting source code into machine code, which happens before program execution. Loading refers to the process of bringing the compiled program into memory, linking is the process of resolving external references and combining multiple object files, and executing is the actual running of the program.

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  • Current Version
  • Mar 29, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 21, 2020
    Quiz Created by
    Themes
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