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 accessory is used to make mobile payments or exchange data with other NFC-enabled devices?

  1. USB cable

  2. Bluetooth adapter

  3. Wi-Fi adapter

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

An NFC chip allows a mobile device to make mobile payments or exchange data with other NFC-enabled devices by bringing them into close proximity.

Multiple choice

Which accessory is used to enhance the audio capabilities of a mobile device?

  1. Headphones

  2. Speakers

  3. Earbuds

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

Headphones are used to enhance the audio capabilities of a mobile device by providing personal audio output.

Multiple choice

Which assistive technology device is commonly used to assist individuals with visual impairments?

  1. Screen reader

  2. Magnifying glass

  3. Braille display

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

Screen readers are software programs that read aloud the text and other information displayed on a computer screen.

Multiple choice

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

  1. Memory aid

  2. Communication board

  3. Environmental control system

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

Memory aids are devices or strategies that help individuals with cognitive impairments remember information.

Multiple choice

Which assistive technology device is designed to help individuals with physical disabilities access computers?

  1. Adaptive keyboard

  2. Voice recognition software

  3. Screen reader

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

Adaptive keyboards are specialized keyboards designed to make it easier for individuals with physical disabilities to type.

Multiple choice

What is the term for a device that allows users to input data and instructions into a computer?

  1. Keyboard

  2. Mouse

  3. Scanner

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

A keyboard is a device that allows users to input data and instructions into a computer.

Multiple choice

Which type of home entertainment system is known for its immersive surround sound experience?

  1. Stereo System

  2. Soundbar

  3. Home Theater System

  4. Multi-room Audio System
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A home theater system typically includes multiple speakers, a receiver, and a video display device, creating a cinematic sound experience.

Multiple choice

What is the primary function of an audio receiver in a home entertainment system?

  1. Amplifying audio signals

  2. Tuning radio stations

  3. Playing music from CDs

  4. Storing media files
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An audio receiver's main purpose is to amplify audio signals from various sources and distribute them to speakers.

Multiple choice

Which type of speaker arrangement is commonly used in home theater systems for a surround sound experience?

  1. 2.0

  2. 5.1

  3. 7.1

  4. 9.1
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A 5.1 speaker arrangement consists of five main speakers (front left, front right, center, surround left, and surround right) and one subwoofer for low-frequency effects.

Multiple choice

What is the purpose of a subwoofer in a home entertainment system?

  1. Enhancing bass frequencies

  2. Producing mid-range sounds

  3. Amplifying high-pitched tones

  4. Generating surround sound effects
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A subwoofer is designed to reproduce low-frequency sounds, adding depth and impact to music, movies, and games.

Multiple choice

What is the primary purpose of a soundbar in a home entertainment system?

  1. Amplifying audio signals

  2. Providing surround sound effects

  3. Storing media files

  4. Controlling playback functions
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A soundbar is designed to deliver a more immersive audio experience by creating virtual surround sound from a single unit.

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

What is the function of a media player in a home entertainment system?

  1. Playing music from CDs

  2. Streaming online content

  3. Recording TV shows

  4. Controlling playback functions
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A media player allows users to access and stream audio, video, and other multimedia content from various sources, including online streaming services.

Multiple choice

Which type of home entertainment system is designed to provide a multi-room audio experience?

  1. Stereo System

  2. Soundbar

  3. Home Theater System

  4. Multi-room Audio System
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A multi-room audio system allows users to distribute audio content to multiple rooms in their home, enabling synchronized or independent playback.

Multiple choice

What is the purpose of a streaming stick or dongle in a home entertainment system?

  1. Amplifying audio signals

  2. Producing surround sound effects

  3. Accessing online streaming services

  4. Storing media files
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A streaming stick or dongle allows users to access various streaming services and online content on their TV through an internet connection.