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

Multiple choice

What is the purpose of a trackball as an input device?

  1. Capturing images

  2. Scanning documents

  3. Playing audio

  4. Moving the cursor on a computer screen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A trackball is a pointing device that allows users to move the cursor on a computer screen by rotating the ball.

Multiple choice

Which input device is commonly used for drawing and creating digital art?

  1. Light pen

  2. Graphics tablet

  3. Trackball

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

A graphics tablet is a pressure-sensitive input device that allows users to draw and create digital art using a stylus.

Multiple choice

What is the primary function of a light pen as an input device?

  1. Capturing audio

  2. Scanning documents

  3. Displaying images

  4. Selecting items on a computer screen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A light pen is a pointing device that allows users to select items on a computer screen by touching the screen with the pen.

Multiple choice

What is the purpose of a barcode scanner as an input device?

  1. Capturing images

  2. Scanning documents

  3. Playing audio

  4. Reading barcodes and converting them into digital data
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A barcode scanner is used to read barcodes and convert them into digital data, which can be processed by a computer.

Multiple choice

Which input device is commonly used for controlling the volume and playback of audio and video content?

  1. Keyboard

  2. Mouse

  3. Remote control

  4. Trackball
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A remote control is a device that allows users to control the volume and playback of audio and video content from a distance.

Multiple choice

What is the primary function of a gamepad as an input device?

  1. Scanning documents

  2. Displaying images

  3. Playing audio

  4. Controlling games and simulations
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A gamepad is a gaming controller that allows users to control the movement and actions of characters or objects in games and simulations.

Multiple choice

Which input device is commonly used for entering numeric data and performing calculations?

  1. Keyboard

  2. Mouse

  3. Calculator

  4. Trackball
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A calculator is a device that is used for performing mathematical calculations and entering numeric data.

Multiple choice

Which of the following is NOT a common type of interaction device?

  1. Mouse

  2. Keyboard

  3. Touchscreen

  4. Joystick

  5. Natural language processing
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Natural language processing is not a common type of interaction device. It is a field of artificial intelligence that deals with the interaction between computers and human (natural) languages.

Multiple choice

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

  1. Screen readers

  2. Speech-to-text software

  3. Calculators

  4. Magnifying software
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calculators are not typically considered assistive technology, although they can be useful for students with certain learning disabilities.

Multiple choice

Which of the following is an example of a low-tech assistive device?

  1. Powered wheelchair

  2. Speech recognition software

  3. Reachers and grabbers

  4. Myoelectric prosthetic hand
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Reachers and grabbers are examples of low-tech assistive devices that provide simple solutions to everyday challenges faced by individuals with disabilities.

Multiple choice

Which of the following is an example of a cognitive assistive device?

  1. Communication board

  2. Environmental control system

  3. Speech-generating device

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

Communication boards, environmental control systems, and speech-generating devices are all examples of cognitive assistive devices that support individuals with cognitive impairments.

Multiple choice

Which assistive technology device is commonly used by individuals with cognitive impairments?

  1. Communication board.

  2. Augmentative and alternative communication (AAC) device.

  3. Memory aid.

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

Communication boards, AAC devices, and memory aids are all assistive technology devices that help individuals with cognitive impairments communicate, remember information, and participate in daily activities more effectively.

Multiple choice

Which technology allows older adults to control smart home devices using voice commands?

  1. Smart Speakers

  2. Smart Displays

  3. Smart Thermostats

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

Smart speakers, such as Amazon Echo or Google Home, enable older adults to control smart home devices, adjust lighting, play music, and access information using voice commands.

Multiple choice

How do personal robots typically interact with their users?

  1. Voice commands

  2. Touchscreen interfaces

  3. Remote control

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

Personal robots can interact with their users through voice commands, touchscreen interfaces, remote control, or a combination of these methods.

Multiple choice

Which of the following is NOT a common type of assistive technology used by students with physical disabilities?

  1. Screen readers

  2. Speech-to-text software

  3. Magnifying software

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

Calculators are not typically considered assistive technology specifically designed for students with physical disabilities.