Computer Knowledge
Computer Hardware Devices
893 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
A
Correct answer
Explanation
These items are all electronic devices or tools designed for specific tasks, which fits the definition of gadgets.
Which of the following is an example of a medical device?
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A stethoscope
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A wheelchair
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A hospital bed
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A computer
A
Correct answer
Explanation
A stethoscope is a medical device that is used to listen to sounds in the body. It is used to diagnose and monitor a variety of medical conditions, including heart disease, lung disease, and pneumonia.
Which of the following is NOT a type of graphics card connector?
D
Correct answer
Explanation
VGA is not a type of graphics card connector. It is an older type of connector that is no longer used on modern graphics cards.
Which assistive device is commonly used by individuals with low vision to magnify text and images?
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Screen reader
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Magnifying glass
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Braille display
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Talking calculator
B
Correct answer
Explanation
Magnifying glasses are commonly used by individuals with low vision to enlarge text and images, making them easier to see.
Which of the following is an example of a haptic interface that provides force feedback?
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A touchscreen
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A trackpad
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A joystick
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A data glove
D
Correct answer
Explanation
A data glove is an example of a haptic interface that provides force feedback. It is a wearable device that tracks the movement of the user's hand and fingers, and uses actuators to apply forces to the user's skin, creating the sensation of touch and interaction with virtual objects.
Which of the following is an example of a haptic interface that provides tactile feedback?
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A force-feedback joystick
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A vibrating game controller
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A touchscreen with haptic feedback
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All of the above
D
Correct answer
Explanation
All of the options provided are examples of haptic interfaces that provide tactile feedback. A force-feedback joystick provides tactile feedback through force, a vibrating game controller provides tactile feedback through vibration, and a touchscreen with haptic feedback provides tactile feedback through localized vibrations.
Which digital assistant platform is primarily designed for use with Windows devices?
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Amazon Alexa
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Google Assistant
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Apple Siri
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Microsoft Cortana
D
Correct answer
Explanation
Microsoft Cortana is the digital assistant platform primarily designed for use with Windows devices, including PCs, laptops, and tablets.
Which of the following is an example of assistive technology?
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Screen Reader
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Magnifying Glass
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Voice Recognition Software
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All of the above
D
Correct answer
Explanation
Assistive technologies are devices or software that help individuals with disabilities access and use technology more easily.
Which of the following is an example of an assistive technology device?
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Screen Reader
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Magnifying Glass
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Voice Recognition Software
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All of the above
D
Correct answer
Explanation
Assistive technology devices are tools and software that help individuals with disabilities overcome barriers and access technology more easily. Examples include screen readers, magnifying glasses, and voice recognition software.
What is the technology that allows mobile devices to communicate with payment terminals wirelessly?
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Bluetooth
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NFC
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Wi-Fi
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Infrared
B
Correct answer
Explanation
NFC (Near Field Communication) is the technology that allows mobile devices to communicate with payment terminals wirelessly.
Which of the following is an example of low-tech assistive technology?
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Speech-generating devices
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Augmentative and alternative communication (AAC) systems
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Computer-aided instruction (CAI) software
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Adapted scissors
D
Correct answer
Explanation
Low-tech assistive technology refers to simple and affordable tools and devices that can be easily modified or adapted to meet the needs of students with disabilities. Adapted scissors are an example of a low-tech assistive technology that can help students with fine motor difficulties.
Which of the following is an example of high-tech assistive technology?
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Adapted scissors
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Speech-generating devices
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Computer-aided instruction (CAI) software
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Braille displays
C
Correct answer
Explanation
High-tech assistive technology refers to advanced electronic devices and software that are specifically designed to meet the needs of students with disabilities. Computer-aided instruction (CAI) software is an example of high-tech assistive technology that can provide individualized instruction and support to students with disabilities.
Which of the following is a common resolution for a digital art display?
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72 DPI
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150 DPI
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300 DPI
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600 DPI
A
Correct answer
Explanation
72 DPI is a common resolution for a digital art display because it is the resolution that most computer monitors use.
Which of the following is NOT a common application of Speech-to-Text technology?
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Dictation software
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Voice-activated controls
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Automated customer service
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Medical transcription
C
Correct answer
Explanation
Automated customer service is not a common application of Speech-to-Text technology, as it typically involves the use of pre-recorded messages or interactive voice response (IVR) systems.
What type of display is commonly used in smart shoes?
A
Correct answer
Explanation
LED (light-emitting diode) displays are commonly used in smart shoes due to their low power consumption and high brightness.