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 display technology is less susceptible to color banding or posterization?

  1. OLED

  2. LCD
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

OLED displays exhibit less color banding or posterization compared to LCDs, resulting in smoother color transitions and more accurate color reproduction.

Multiple choice

What is the primary method of interaction with digital assistants?

  1. Voice commands

  2. Text input

  3. Touchscreen gestures

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

Digital assistants can be interacted with using voice commands, text input, touchscreen gestures, or a combination of these methods.

Multiple choice

Which type of smart home camera is typically used for monitoring large outdoor areas?

  1. Bullet Camera

  2. Dome Camera

  3. Panoramic Camera

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

Panoramic cameras provide a wide field of view, making them suitable for monitoring large outdoor areas.

Multiple choice

Which ITS technology enables vehicles to automatically park themselves without driver input?

  1. Adaptive Cruise Control (ACC)

  2. Lane Departure Warning Systems (LDWS)

  3. Blind Spot Monitoring Systems (BSM)

  4. Automated Parking Systems (APS)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

APS uses sensors and actuators to control the vehicle's steering, acceleration, and braking, enabling it to park itself in designated parking spaces without driver input.

Multiple choice

Which of the following is NOT a type of mobile device that can be used for learning?

  1. Smartphone

  2. Tablet

  3. Laptop

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

Desktop computers are not mobile devices. Mobile devices that can be used for learning include smartphones, tablets, and laptops.

Multiple choice

What is the primary input method for smart rings?

  1. Touchscreen

  2. Buttons

  3. Gesture Control

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

Smart rings typically rely on gesture control as their primary input method, allowing users to interact with the device through hand movements.

Multiple choice

Which of the following is NOT a common type of home entertainment system projector?

  1. LCD projector

  2. DLP projector

  3. LED projector

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

CRT projectors are not typically used in home entertainment systems.

Multiple choice

Which of the following is NOT a common type of home entertainment system screen?

  1. Fixed screen

  2. Retractable screen

  3. Manual screen

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

Manual screens are not typically used in home entertainment systems.

Multiple choice

Which type of media console is typically designed to accommodate larger audio-visual equipment?

  1. Floating media console

  2. Console media console

  3. Corner media console

  4. Pedestal media console
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Console media consoles are typically longer and wider than other types of media consoles, providing ample space to accommodate larger audio-visual equipment and additional media items.

Multiple choice

Which type of media console is ideal for concealing cables and wires?

  1. Open media console

  2. Closed media console

  3. Corner media console

  4. Pedestal media console
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Closed media consoles have enclosed compartments and panels that can effectively conceal cables and wires, creating a clean and organized appearance.

Multiple choice

Which of the following is a key factor to consider when designing a High-Performance Computing (HPC) system?

  1. Cost-effectiveness

  2. Energy efficiency

  3. User-friendliness

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

Cost-effectiveness is a crucial factor in HPC system design, as these systems often require significant financial investment and ongoing maintenance costs.

Multiple choice

Which type of electronic device is essential for business travel?

  1. Smartphone

  2. Tablet

  3. Laptop

  4. E-reader
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Laptops are essential for business presentations, document editing, and communication.

Multiple choice

What type of sensors are commonly used in autonomous vehicles to detect objects in their surroundings?

  1. Radar

  2. Lidar

  3. Camera

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

Autonomous vehicles typically use a combination of radar, lidar, and camera sensors to detect objects in their surroundings.

Multiple choice

Which of the following is NOT a common type of display technology used in home theater systems?

  1. LED

  2. OLED

  3. Plasma

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

DLP (Digital Light Processing) is primarily used in projectors and is less common in home theater displays, which typically employ LED, OLED, or Plasma technology.

Multiple choice

What are the different types of assistive listening devices?

  1. FM systems

  2. Infrared systems

  3. Loop systems

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

The different types of assistive listening devices include FM systems, infrared systems, and loop systems.