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 type of display technology is commonly used in modern home entertainment systems for high-resolution video content?

  1. LCD

  2. LED

  3. OLED

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

OLED (Organic Light-Emitting Diode) technology offers superior picture quality with vibrant colors, deep blacks, and high contrast ratios.

Multiple choice

Which technology allows guests to control various aspects of their hotel room, such as lighting, temperature, and entertainment, using a single device?

  1. Voice control

  2. Gesture control

  3. Touchscreen control

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

Touchscreen control allows guests to control various aspects of their hotel room, such as lighting, temperature, and entertainment, using a single device, typically a tablet or smartphone.

Multiple choice

Which technology enables guests to use their smartphones as room keys?

  1. Bluetooth

  2. Wi-Fi

  3. NFC

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

NFC (Near Field Communication) technology enables guests to use their smartphones as room keys by tapping them on a designated reader near the door.

Multiple choice

Which technology allows guests to access hotel services and information using interactive displays or touchscreens located throughout the property?

  1. Voice control

  2. Gesture control

  3. Touchscreen control

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

Touchscreen control allows guests to access hotel services and information using interactive displays or touchscreens located throughout the property.

Multiple choice

Which technology enables guests to use their mobile devices to order room service, request amenities, or communicate with hotel staff?

  1. Bluetooth

  2. Wi-Fi

  3. NFC

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

Wi-Fi technology enables guests to use their mobile devices to order room service, request amenities, or communicate with hotel staff through dedicated apps or online platforms.

Multiple choice

Which technology allows guests to control various aspects of their hotel room, such as lighting, temperature, and entertainment, using voice commands?

  1. Voice control

  2. Gesture control

  3. Touchscreen control

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

Voice control technology allows guests to control various aspects of their hotel room, such as lighting, temperature, and entertainment, using voice commands.

Multiple choice

Which technology enables guests to use their mobile devices as digital keys to access their hotel rooms?

  1. Bluetooth

  2. Wi-Fi

  3. NFC

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

Bluetooth technology enables guests to use their mobile devices as digital keys to access their hotel rooms by connecting to a designated Bluetooth receiver near the door.

Multiple choice

Which technology allows guests to use their mobile devices to stream content from their personal devices to the hotel's in-room entertainment system?

  1. Bluetooth

  2. Wi-Fi

  3. NFC

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

Wi-Fi technology allows guests to use their mobile devices to stream content from their personal devices to the hotel's in-room entertainment system through dedicated apps or casting features.

Multiple choice

Which assistive technology device is commonly used to support individuals with cognitive impairments in performing daily tasks?

  1. Wheelchair

  2. Communication board

  3. Adaptive eating utensils

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

Communication boards are commonly used to support individuals with cognitive impairments in expressing their thoughts and needs.

Multiple choice

Which assistive technology device is commonly used to support individuals with Parkinson's disease in performing daily tasks?

  1. Wheelchair

  2. Communication board

  3. Adaptive eating utensils

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

Weighted utensils are commonly used to support individuals with Parkinson's disease in performing daily tasks by reducing tremors and improving hand stability.

Multiple choice

Which of the following is NOT a type of mobile device that can be used in education?

  1. Smartphones

  2. Tablets

  3. Laptops

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

Desktop computers are not mobile devices, as they are not designed to be portable.

Multiple choice

What was the name of the device that was designed to help people communicate with dolphins but failed to achieve its goal?

  1. The Dolphin Communicator

  2. The Dolphin Translator

  3. The Dolphin Language Machine

  4. The Dolphin Speech Synthesizer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Dolphin Communicator was a device that was designed to help people communicate with dolphins. However, it failed to achieve its goal and was never able to establish communication with dolphins.

Multiple choice

Which of these is NOT a common type of mobile device port?

  1. USB

  2. Lightning

  3. 3.5mm headphone jack

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

HDMI ports are not as common on mobile devices as USB, Lightning, and 3.5mm headphone jacks.

Multiple choice

What is multimodal interaction?

  1. Interaction with a computer using multiple modalities, such as speech, gestures, and touch.

  2. Interaction with a computer using only one modality, such as a keyboard or mouse.

  3. Interaction with a computer using a combination of modalities, such as a keyboard and mouse.

  4. Interaction with a computer using a combination of modalities, such as speech and gestures.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Multimodal interaction is a type of interaction with a computer that uses multiple modalities, such as speech, gestures, and touch, to control the computer.

Multiple choice

What are some examples of multimodal interaction?

  1. Using a touchscreen to control a computer.

  2. Using a microphone to control a computer.

  3. Using a gesture-based interface to control a computer.

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

Multimodal interaction can be implemented in a variety of ways, including using a touchscreen, a microphone, or a gesture-based interface.