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 of the following is a common type of mobile application user interface gesture?

  1. Tap

  2. Swipe

  3. Pinch

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

Tap, swipe, and pinch are all common types of mobile application user interface gestures.

Multiple choice

What is the most common type of mobile device repair?

  1. Screen replacement

  2. Battery replacement

  3. Camera replacement

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

Screen replacement is the most common type of mobile device repair due to the fragility of the screens and the likelihood of them being damaged through accidental drops or impacts.

Multiple choice

Which of these is a common input device used in VR games?

  1. Gamepad

  2. Keyboard and Mouse

  3. Motion Controllers

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

Motion controllers are commonly used in VR games to allow users to interact with the virtual environment through hand movements.

Multiple choice

What is the primary input device used for digital art?

  1. Mouse

  2. Keyboard

  3. Graphics tablet

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

A graphics tablet is a specialized input device that allows artists to draw and paint directly onto a computer screen.

Multiple choice

Which of the following is an example of a mnemonic device used to improve recall in Human-Computer Interaction?

  1. Chunking information into smaller groups

  2. Using visual aids like diagrams or charts

  3. Repeating information multiple times

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

Chunking information, using visual aids, and repeating information are all examples of mnemonic devices used to improve recall in Human-Computer Interaction.

Multiple choice

Which of the following is an example of a recall task in Human-Computer Interaction?

  1. Remembering a password

  2. Following a set of instructions

  3. Navigating a website without using a map

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

Remembering a password, following a set of instructions, and navigating a website without using a map are all examples of recall tasks in Human-Computer Interaction.

Multiple choice

Which of the following is an example of a mnemonic device used to improve encoding in Human-Computer Interaction?

  1. Chunking information into smaller groups

  2. Using visual aids like diagrams or charts

  3. Repeating information multiple times

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

Chunking information, using visual aids, and repeating information are all examples of mnemonic devices used to improve encoding in Human-Computer Interaction.

Multiple choice

Which CSS media query is used to target devices with a specific screen width?

  1. @media (min-width: 320px)

  2. @media (max-width: 768px)

  3. @media (orientation: landscape)

  4. @media (resolution: 300dpi)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The @media (max-width: 768px) media query targets devices with a maximum screen width of 768 pixels, which typically corresponds to smartphones and small tablets.

Multiple choice

Which technology is commonly used in smart glasses to display information?

  1. Retina display

  2. OLED display

  3. LCD display

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

OLED (Organic Light-Emitting Diode) displays are commonly used in smart glasses due to their compact size, low power consumption, and ability to provide high-quality images.

Multiple choice

Which of the following is an example of a digital tool that can be used to enhance worship?

  1. A projector for displaying lyrics and scripture

  2. A computer for playing pre-recorded music

  3. A tablet for taking notes during the sermon

  4. A smartphone for recording the worship service
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Projectors are commonly used in worship settings to display lyrics, scripture, and other visual elements that can enhance the worship experience.

Multiple choice

Which of the following is a type of audio interface that connects to a computer via a USB port?

  1. USB audio interface

  2. FireWire audio interface

  3. Thunderbolt audio interface

  4. PCIe audio interface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A USB audio interface connects to a computer via a USB port, providing a convenient and portable way to record and playback audio.

Multiple choice

Which of the following is NOT a key component of a basic radio system?

  1. Transmitter

  2. Receiver

  3. Antenna

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

A basic radio system consists of a transmitter, a receiver, and an antenna. The computer is not a necessary component for the fundamental operation of a radio system.

Multiple choice

Which of the following is NOT a common type of human-computer interaction?

  1. Command-line interface

  2. Graphical user interface

  3. Natural language interface

  4. Voice user interface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Command-line interface is not a common type of human-computer interaction. It is a text-based interface that allows users to interact with a computer by typing commands.

Multiple choice

Which of the following is NOT a key component of Smart Glasses?

  1. Display

  2. Camera

  3. Microphone

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

Smart Glasses typically consist of a display, camera, microphone, and sensors, but they do not have a projector as a standard component.

Multiple choice

What is the primary technology used in Smart Glasses to display digital information?

  1. Holographic projection.

  2. Retinal projection.

  3. Waveguide technology.

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

Waveguide technology is commonly used in Smart Glasses to display digital information by guiding light from a projector to the user's eyes, creating a see-through AR experience.