ICT Quiz-grade 9

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| By Hopeonlyinallah
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Hopeonlyinallah
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ICT Quiz-grade 9 - Quiz


Questions and Answers
  • 1. 

    Computer systems consist of two main parts: 

    • A.

      Ram & Rom

    • B.

      Hardware & software

    • C.

      Data & Information

    • D.

      Operating system &Web browser

    Correct Answer
    B. Hardware & software
    Explanation
    Computer systems consist of two main parts: hardware and software. Hardware refers to the physical components of a computer system, such as the processor, memory, and storage devices. Software, on the other hand, refers to the programs and instructions that tell the hardware what to do. Both hardware and software are essential for a computer system to function properly. Hardware provides the platform and resources for software to run, while software utilizes the hardware to perform tasks and provide functionality to the user. Therefore, the correct answer is hardware and software.

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  • 2. 

    Devices used to get data from the outside world into the computer are called

    • A.

      Input devices

    • B.

      Output Devices

    • C.

      Storage Devices

    • D.

      None of the above

    Correct Answer
    A. Input devices
    Explanation
    Input devices are used to get data from the outside world into the computer. These devices allow users to input information or commands into the computer system. Examples of input devices include keyboards, mice, scanners, and microphones. They play a crucial role in allowing users to interact with the computer and provide the necessary data for processing and storage.

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  • 3. 

    Input Device used in voice recognition software

    • A.

      Speaker

    • B.

      Keyboard

    • C.

      Microphone

    • D.

      Joystick

    Correct Answer
    C. Microphone
    Explanation
    A microphone is the input device used in voice recognition software. Voice recognition software converts spoken words into written text or commands. A microphone captures the user's voice and converts it into an electrical signal, which is then processed by the software to recognize and interpret the spoken words. This allows users to interact with the software using their voice instead of typing or using other input devices like a keyboard or joystick.

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  • 4. 

    Quantities such as temperature and pressure can be detected and measured using

    • A.

      Sensors

    • B.

      Monitors

    • C.

      Input Device

    • D.

      Storage Device

    Correct Answer
    A. Sensors
    Explanation
    Quantities such as temperature and pressure can be detected and measured using sensors. Sensors are devices that can detect and measure physical properties or changes in the environment and convert them into electrical signals. These signals can then be processed and analyzed to obtain accurate measurements of temperature and pressure. Sensors are commonly used in various industries and applications, including weather monitoring, industrial processes, and healthcare. They play a crucial role in providing real-time data and enabling control and automation systems.

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  • 5. 

    Printers are example for 

    • A.

      Softwares

    • B.

      Storage Device

    • C.

      Input Device

    • D.

      Output Device

    Correct Answer
    D. Output Device
    Explanation
    Printers are considered output devices because they receive data from a computer or other device and produce a physical copy or hard copy of that data. They take electronic information and convert it into a tangible form, such as a printed document or image. This makes them an example of an output device, as they output information from a computer system.

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  • 6. 

    Special software can be used to recognize the individual letters in a scanned piece of text and this is called

    • A.

      OMR

    • B.

      OCR

    • C.

      Scanner

    • D.

      Printer

    Correct Answer
    B. OCR
    Explanation
    OCR stands for Optical Character Recognition, which is a special software that can be used to recognize the individual letters in a scanned piece of text. It analyzes the shapes and patterns of the characters and converts them into machine-readable text. This technology is commonly used to digitize printed documents, such as books or invoices, making them searchable and editable. OMR (Optical Mark Recognition) is a different technology used to recognize and interpret marked data, such as checkboxes or bubble forms. Scanner and printer are hardware devices used for scanning and printing documents respectively, but they do not specifically refer to the software used for character recognition.

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  • 7. 

    Fast permanent memory

    • A.

      ROM

    • B.

      RAM

    • C.

      USB drive

    • D.

      CD ROM

    Correct Answer
    A. ROM
    Explanation
    ROM stands for Read-Only Memory. It is a type of computer memory that stores data permanently and does not require power to retain its contents. Unlike RAM, ROM cannot be modified or erased by normal computer operations. It is used to store firmware, which is the software that is permanently programmed into a computer's hardware. ROM is non-volatile memory, meaning it retains its data even when the computer is turned off or loses power. Therefore, ROM is the correct answer as it is a type of fast permanent memory.

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  • 8. 

    Fast Temporary memory

    • A.

      RAM

    • B.

      ROM

    • C.

      USB Drive

    • D.

      CD ROM

    Correct Answer
    A. RAM
    Explanation
    RAM stands for Random Access Memory and is a type of computer memory that is used for temporary storage of data that is actively being used by the computer. It is a fast memory that allows for quick access and retrieval of information, which makes it ideal for tasks that require frequent data access and manipulation. Unlike ROM, which is a type of permanent memory, RAM is volatile and its contents are lost when the computer is turned off. USB drives and CD-ROMs are external storage devices that can be used for long-term data storage, but they are not considered as temporary memory like RAM.

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  • 9. 

    Brain of the computer

    • A.

      Monitor

    • B.

      CPU

    • C.

      Input devices

    • D.

      Output devices

    Correct Answer
    B. CPU
    Explanation
    The CPU, or Central Processing Unit, is often referred to as the "brain" of the computer because it is responsible for executing instructions and performing calculations. It is the main component that controls all the operations of the computer and processes data. The CPU receives input from various devices, such as the keyboard and mouse, and sends output to devices like the monitor and printer. Therefore, the CPU plays a crucial role in the functioning of a computer, making it an appropriate answer to the question.

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  • 10. 

    Input device used for kiosks

    • A.

      Touch screen

    • B.

      Joystick

    • C.

      OCR

    • D.

      OMR

    Correct Answer
    A. Touch screen
    Explanation
    A touch screen is the correct answer because it is an input device commonly used for kiosks. Kiosks are interactive self-service machines that allow users to access information or perform specific tasks. Touch screens enable users to interact with the kiosk by directly touching the screen, eliminating the need for additional peripherals like a keyboard or mouse. This makes touch screens a popular choice for kiosks as they offer a user-friendly and intuitive interface for inputting information or making selections.

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