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

Multiple choice

Which of the following is an example of assistive technology?

  1. A wheelchair

  2. A hearing aid

  3. A computer

  4. A textbook
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Assistive technology is any device or system that helps a person with a disability perform tasks that they would otherwise be unable to do. A hearing aid is an example of assistive technology because it helps people with hearing loss to hear.

Multiple choice

Which of the following is an example of an assistive technology device?

  1. A wheelchair

  2. A hearing aid

  3. A computer

  4. A textbook
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following is an example of an assistive technology device?

  1. A wheelchair

  2. A hearing aid

  3. A computer

  4. A textbook
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the main component of a cochlear implant?

  1. Microphone

  2. Speech processor

  3. Electrode array

  4. Battery
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the name of the convergence mode in PostmarketOS that allows users to connect their phone to an external monitor and use it as a desktop computer?

  1. Convergence Mode

  2. Desktop Mode

  3. Docked Mode

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PostmarketOS has several names for its convergence mode, including Convergence Mode, Desktop Mode, and Docked Mode.

Multiple choice

Which assistive technology device is commonly used by students with visual impairments to access printed materials?

  1. Screen reader

  2. Magnifying glass

  3. Braille display

  4. Talking calculator
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What was the primary input method for Palm OS devices?

  1. Stylus

  2. Keyboard

  3. Touchscreen

  4. Mouse
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Palm OS devices primarily used a stylus for input, allowing users to interact with the touchscreen interface.

Multiple choice

Which of the following was a notable feature of the Palm OS Graffiti input method?

  1. Swype

  2. Multi-touch

  3. Gesture Recognition

  4. Predictive Text
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Palm OS Graffiti input method introduced predictive text, helping users type faster and more accurately.

Multiple choice

Which of the following is not a type of musical instrument controller?

  1. Keyboard

  2. Guitar

  3. Drum Pad

  4. MIDI Controller
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Guitars are not typically considered musical instrument controllers, as they are more commonly used as standalone instruments.

Multiple choice

What is a multimodal interface?

  1. An interface that uses multiple modalities to interact with a computer.

  2. An interface that uses only one modality to interact with a computer.

  3. An interface that uses multiple modalities to interact with a human.

  4. An interface that uses only one modality to interact with a human.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A multimodal interface is an interface that uses multiple modalities, such as speech, gesture, and touch, to interact with a computer.

Multiple choice

What are some examples of multimodal interfaces?

  1. Speech-based interfaces.

  2. Gesture-based interfaces.

  3. Touch-based interfaces.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Multimodal interfaces can be implemented using a variety of modalities, including speech, gesture, and touch.

Multiple choice

Which technological device became a staple in the hands of detectives in the 20th century, aiding them in their investigations?

  1. The typewriter

  2. The telephone

  3. The computer

  4. The fingerprint scanner
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which assistive technology device is commonly used to help individuals with multiple disabilities access and interact with computers?

  1. Speech-Generating Devices

  2. Eye-Gaze Systems

  3. Head Pointers

  4. Adaptive Keyboards
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Eye-gaze systems allow individuals with multiple disabilities to control a computer using their eye movements.

Multiple choice

Which of the following is NOT a type of assistive technology?

  1. Screen readers

  2. Speech recognition software

  3. Magnification software

  4. Virtual reality headsets
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Virtual reality headsets are not a type of assistive technology, as they are not designed to help users with disabilities.

Multiple choice

What is the primary input device used for digital painting?

  1. Mouse

  2. Keyboard

  3. Graphics Tablet

  4. Scanner
Reveal answer Fill a bubble to check yourself
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.