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

Which of the following is NOT a common IoT device hardware component?

  1. Microcontroller

  2. Sensor

  3. Actuator

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

Display is not a common IoT device hardware component, as it is not necessary for all IoT devices.

Multiple choice

Which interaction technique involves using gestures to control a computer or device?

  1. Speech Recognition

  2. Gesture Recognition

  3. Eye Tracking

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

Gesture Recognition involves using hand or body movements to interact with a computer or device, allowing users to control various functions through gestures.

Multiple choice

Which interaction technique involves using voice commands to control a computer or device?

  1. Speech Recognition

  2. Gesture Recognition

  3. Eye Tracking

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

Speech Recognition involves using spoken words to interact with a computer or device, allowing users to control various functions through voice commands.

Multiple choice

Which interaction technique involves using a pointing device to move an object on the screen?

  1. Direct Manipulation

  2. Menu Selection

  3. Form Filling

  4. Command Line Interface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Direct Manipulation involves using a pointing device to directly interact with objects on the screen, allowing users to select, move, or manipulate them.

Multiple choice

Which interaction technique involves using a pointing device to zoom in or out of a document or image?

  1. Direct Manipulation

  2. Menu Selection

  3. Zooming

  4. Command Line Interface
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Zooming involves using a pointing device to magnify or reduce the size of a document or image, allowing users to view different levels of detail.

Multiple choice

Which interaction technique involves using a pointing device to rotate an object on the screen?

  1. Direct Manipulation

  2. Menu Selection

  3. Rotation

  4. Command Line Interface
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rotation involves using a pointing device to rotate an object on the screen, allowing users to view different sides or perspectives of the object.

Multiple choice

What is the best way to display an HDR image?

  1. On a computer monitor

  2. On a TV

  3. On a projector

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

The best way to display an HDR image is on a computer monitor that is capable of displaying HDR content.

Multiple choice

What is the name of the device that allows visually impaired people to read music in Braille?

  1. The Braille music reader

  2. The Braille music scanner

  3. The Braille music embosser

  4. The Braille music printer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Braille music embosser is a device that allows visually impaired people to read music in Braille.

Multiple choice

Which assistive technology device allows blind or visually impaired musicians to read music notation?

  1. Braille music notation

  2. Music magnifier

  3. Electronic music reader

  4. Tactile music notation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Braille music notation is a system of raised dots that represents musical notes and symbols. It allows blind or visually impaired musicians to read music notation by touch.

Multiple choice

Which technological innovation enabled musicians to create and manipulate music using a touchscreen interface?

  1. Synthesizers

  2. Drum machines

  3. Samplers

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

Tablet computers, with their touchscreen interfaces, allow musicians to create and manipulate music using a variety of music production apps, providing a portable and versatile platform for music creation.

Multiple choice

Which of the following is a common input/output (I/O) device used in embedded systems?

  1. Keyboard

  2. Mouse

  3. Serial port

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

Serial ports are commonly used in embedded systems for communication with external devices due to their simplicity and low cost.

Multiple choice

Which of the following is NOT a common feature of mobile devices?

  1. Touchscreen

  2. Camera

  3. Keyboard

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

Most mobile devices do not have a physical keyboard.

Multiple choice

Which of the following is NOT a type of mobile device?

  1. Smartphone

  2. Tablet

  3. Laptop

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

Laptops are not mobile devices as they are not designed to be portable.

Multiple choice

Which of the following is NOT a common type of mobile device display?

  1. LCD

  2. OLED

  3. AMOLED

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

CRT displays are not used in mobile devices.

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.