Computer Knowledge
Computer Hardware Devices
1,004 Questions
Computer Hardware Devices focuses on the physical components of a computer system, including input, output, and memory devices. It tests practical understanding of ports, displays, and peripheral technologies. This topic is common in the computer knowledge section of banking and SSC exams.
Input output devicesMonitor settingsComputer portsAssistive technologyHardware components
Computer Hardware Devices Questions
What is the most common cause of GPU failure?
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Overclocking
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Insufficient cooling
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A manufacturing defect
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All of the above
D
Correct answer
Explanation
Overclocking, insufficient cooling, and a manufacturing defect can all cause GPU failure.
Which CSS media query is used to target devices with a specific screen width?
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@media (min-width: 320px)
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@media (max-width: 768px)
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@media (orientation: landscape)
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@media (resolution: 300dpi)
B
Correct answer
Explanation
The @media (max-width: 768px) media query targets devices with a maximum screen width of 768 pixels, which typically corresponds to smartphones and small tablets.
Which technology is commonly used in smart glasses to display information?
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Retina display
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OLED display
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LCD display
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MicroLED display
B
Correct answer
Explanation
OLED (Organic Light-Emitting Diode) displays are commonly used in smart glasses due to their compact size, low power consumption, and ability to provide high-quality images.
Which of these is a common type of stage lighting control system used in concert tours?
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Analog lighting control systems
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Digital lighting control systems
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Hybrid lighting control systems
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All of the above
D
Correct answer
Explanation
Analog lighting control systems, digital lighting control systems, and hybrid lighting control systems are all commonly used in concert tours, depending on the specific needs and preferences of the lighting designers.
Which of the following is an example of a digital tool that can be used to enhance worship?
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A projector for displaying lyrics and scripture
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A computer for playing pre-recorded music
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A tablet for taking notes during the sermon
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A smartphone for recording the worship service
A
Correct answer
Explanation
Projectors are commonly used in worship settings to display lyrics, scripture, and other visual elements that can enhance the worship experience.
Which of the following is a type of audio interface that connects to a computer via a USB port?
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USB audio interface
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FireWire audio interface
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Thunderbolt audio interface
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PCIe audio interface
A
Correct answer
Explanation
A USB audio interface connects to a computer via a USB port, providing a convenient and portable way to record and playback audio.
Which type of memory is typically preferred for GPUs used in cryptocurrency mining?
D
Correct answer
Explanation
GDDR6 memory is the latest generation of graphics memory, offering higher bandwidth and lower power consumption compared to previous generations, making it the preferred choice for GPUs used in cryptocurrency mining.
Which of the following is NOT a key component of a basic radio system?
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Transmitter
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Receiver
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Antenna
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Computer
D
Correct answer
Explanation
A basic radio system consists of a transmitter, a receiver, and an antenna. The computer is not a necessary component for the fundamental operation of a radio system.
Which of the following is NOT a common type of human-computer interaction?
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Command-line interface
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Graphical user interface
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Natural language interface
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Voice user interface
A
Correct answer
Explanation
Command-line interface is not a common type of human-computer interaction. It is a text-based interface that allows users to interact with a computer by typing commands.
Which of the following is not a common application of GPUs in mobile devices?
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Gaming
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Video editing
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Augmented reality (AR)
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Word processing
D
Correct answer
Explanation
Word processing is typically not a GPU-intensive task, as it does not involve complex graphics or multimedia processing. GPUs are primarily used for tasks that require high computational power and parallelism.
How do GPUs contribute to improved graphics performance in mobile games?
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By handling the rendering of complex 3D scenes and objects.
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By managing the device's memory and storage.
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By connecting the device to a network.
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By controlling the device's power consumption.
A
Correct answer
Explanation
GPUs are responsible for rendering the 3D graphics in games, including the characters, objects, and environments. They use their parallel processing capabilities to quickly calculate the positions and colors of pixels, resulting in smooth and detailed visuals.
How do GPUs contribute to energy efficiency in mobile devices?
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By optimizing the power consumption of the device's display.
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By managing the device's memory and storage.
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By connecting the device to a network.
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By controlling the device's power consumption.
A
Correct answer
Explanation
GPUs can help optimize the power consumption of the device's display by efficiently handling graphics rendering tasks. They can reduce the amount of power required to render complex visuals, resulting in improved battery life.
Which of the following is NOT a key component of Smart Glasses?
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Display
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Camera
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Microphone
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Projector
D
Correct answer
Explanation
Smart Glasses typically consist of a display, camera, microphone, and sensors, but they do not have a projector as a standard component.
What is the primary technology used in Smart Glasses to display digital information?
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Holographic projection.
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Retinal projection.
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Waveguide technology.
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Laser scanning.
C
Correct answer
Explanation
Waveguide technology is commonly used in Smart Glasses to display digital information by guiding light from a projector to the user's eyes, creating a see-through AR experience.
Which of the following is NOT a method used to transcribe recordings?
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Manual transcription
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Machine transcription
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Computer-assisted transcription
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Automatic transcription
D
Correct answer
Explanation
Automatic transcription is not a method used to transcribe recordings, as it is not yet a reliable technology.