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
Which of the following is an example of an assistive technology device?
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A wheelchair
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A hearing aid
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A computer
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A textbook
A
Correct answer
Explanation
An assistive technology device is any device or system that helps a person with a disability perform tasks that they would otherwise be unable to do. A wheelchair is an example of an assistive technology device because it helps people with mobility impairments to move around.
Which of the following is an example of an assistive technology device?
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A wheelchair
-
A hearing aid
-
A computer
-
A textbook
A
Correct answer
Explanation
An assistive technology device is any device or system that helps a person with a disability perform tasks that they would otherwise be unable to do. A wheelchair is an example of an assistive technology device because it helps people with mobility impairments to move around.
What is the main component of a cochlear implant?
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Microphone
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Speech processor
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Electrode array
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Battery
C
Correct answer
Explanation
The electrode array is the primary component of a cochlear implant. It consists of multiple electrodes that are surgically inserted into the cochlea and directly stimulate the auditory nerve.
Which assistive technology device is commonly used by students with visual impairments to access printed materials?
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Screen reader
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Magnifying glass
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Braille display
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Talking calculator
C
Correct answer
Explanation
A Braille display is an assistive technology device that converts digital text into Braille characters, allowing students with visual impairments to read and interact with electronic content.
What was the primary input method for Palm OS devices?
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Stylus
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Keyboard
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Touchscreen
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Mouse
A
Correct answer
Explanation
Palm OS devices primarily used a stylus for input, allowing users to interact with the touchscreen interface.
Which of the following was a notable feature of the Palm OS Graffiti input method?
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Swype
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Multi-touch
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Gesture Recognition
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Predictive Text
D
Correct answer
Explanation
The Palm OS Graffiti input method introduced predictive text, helping users type faster and more accurately.
Which technological device became a staple in the hands of detectives in the 20th century, aiding them in their investigations?
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The typewriter
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The telephone
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The computer
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The fingerprint scanner
C
Correct answer
Explanation
The computer revolutionized detective work in the 20th century, enabling detectives to store, analyze, and retrieve vast amounts of information, significantly enhancing their investigative capabilities.
Which technology is used to track the movement of the ball in Hawk-Eye?
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Radar
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Infrared
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Ultrasound
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GPS
B
Correct answer
Explanation
Hawk-Eye uses infrared technology to track the movement of the ball. This technology is very accurate and it can be used to create a 3D model of the ball's trajectory. This information can then be used to determine whether or not a ball was in or out of bounds, or if it hit the net or the post.
Which assistive technology device is commonly used to help individuals with multiple disabilities access and interact with computers?
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Speech-Generating Devices
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Eye-Gaze Systems
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Head Pointers
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Adaptive Keyboards
B
Correct answer
Explanation
Eye-gaze systems allow individuals with multiple disabilities to control a computer using their eye movements.
Which of the following is NOT a type of assistive technology?
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Screen readers
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Speech recognition software
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Magnification software
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Virtual reality headsets
D
Correct answer
Explanation
Virtual reality headsets are not a type of assistive technology, as they are not designed to help users with disabilities.
What is the primary input device used for digital painting?
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Mouse
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Keyboard
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Graphics Tablet
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Scanner
C
Correct answer
Explanation
A graphics tablet is a pressure-sensitive input device that allows artists to draw and paint digitally with a stylus, providing a more natural and precise experience.
Which of the following is NOT a common type of digital format?
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Text
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Audio
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Video
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Vector graphics
D
Correct answer
Explanation
Vector graphics are not a common type of digital format. They are typically used for representing two-dimensional images, while text, audio, and video are used for representing different types of data.
What was the primary input method for BlackBerry devices?
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Touchscreen
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Physical Keyboard
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Stylus
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Trackball
B
Correct answer
Explanation
BlackBerry devices were known for their physical keyboards, which offered a tactile typing experience and were considered a hallmark of the platform.
Which of the following is NOT a type of AAC system?
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Speech-generating devices
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Sign language
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Communication boards
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Eye-gaze technology
B
Correct answer
Explanation
Sign language is a natural language that uses hand gestures, facial expressions, and body movements to convey meaning. It is not considered an AAC system, as it is a complete language in its own right.
What is the most common type of AAC system used by individuals with complex communication needs?
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Speech-generating devices
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Communication boards
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Eye-gaze technology
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Manual signs
B
Correct answer
Explanation
Communication boards are simple, low-tech AAC systems that consist of a board with symbols or pictures representing words, phrases, or concepts. They are often used by individuals with severe speech impairments or cognitive disabilities.