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
Which feature allows passengers to mirror content from their personal devices onto the in-flight entertainment screen?
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Bluetooth Connectivity
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Wi-Fi Connection
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Screen Mirroring
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NFC Pairing
C
Correct answer
Explanation
Screen mirroring allows passengers to wirelessly display content from their personal devices onto the in-flight entertainment screen.
Which of the following is NOT a type of electronic display technology?
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Liquid Crystal Display (LCD)
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Light Emitting Diode (LED)
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Plasma Display Panel (PDP)
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Cathode Ray Tube (CRT)
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Inkjet Printer
E
Correct answer
Explanation
Inkjet Printer is not a type of electronic display technology because it does not display information electronically.
Which of the following is a small, portable device that can be used to translate languages?
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Language Translator
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Pocket Translator
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Travel Translator
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Universal Translator
A
Correct answer
Explanation
A language translator is a small, portable device that can be used to translate languages. It typically has a microphone and speaker, and it can be used to translate speech or text.
Which of the following is NOT a type of MR device?
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Head-mounted display (HMD)
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Smartphone
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Tablet
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Laptop
D
Correct answer
Explanation
Head-mounted display (HMD), Smartphone, and Tablet are all types of MR devices. Laptop is not an MR device.
Which of the following is NOT a common tool used in digital art?
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Graphics tablet
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Stylus
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Computer mouse
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3D scanner
D
Correct answer
Explanation
3D scanner is not a common tool used in digital art. It is a tool that is used to create 3D models.
Which lighting control console is commonly used in professional lighting setups?
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DMX512 controller
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MIDI controller
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RS-232 controller
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Ethernet controller
A
Correct answer
Explanation
DMX512 controllers are specialized consoles used to control lighting fixtures via the DMX512 protocol, allowing for precise programming and manipulation of lighting effects.
Which flash mode allows you to manually adjust the power output of the flash?
B
Correct answer
Explanation
In manual flash mode, the photographer has complete control over the power output of the flash, allowing for precise adjustments to achieve the desired lighting effect.
Which flash mode allows for wireless triggering of the flash unit?
D
Correct answer
Explanation
E-TTL (Evaluative Through-The-Lens) flash mode combines the automation of TTL with the ability to wirelessly trigger multiple flash units, providing greater flexibility in lighting setups.
What is the most common type of projection screen?
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Manual pull-down screen
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Electric screen
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Fixed frame screen
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Portable screen
A
Correct answer
Explanation
Manual pull-down screens are the most common type of projection screen because they are affordable, easy to install, and can be used in a variety of settings.
What is the name of the technology that allows musicians to control electronic instruments using their body movements?
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MIDI
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CV/Gate
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USB
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Bluetooth
A
Correct answer
Explanation
MIDI (Musical Instrument Digital Interface) is a protocol that allows electronic instruments to communicate with each other and with computers, enabling musicians to control instruments using their body movements.
Which of the following is NOT a common type of human-computer interaction?
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Direct Manipulation
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Menu-Driven Interaction
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Natural Language Processing
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Gesture-Based Interaction
C
Correct answer
Explanation
Natural Language Processing is a field of computer science, not a specific type of human-computer interaction.
Which assistive technology device is commonly used by individuals with hearing impairments?
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Cochlear implant
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Hearing aid
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Sign language interpreter
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Tactile communication device
B
Correct answer
Explanation
Hearing aids are assistive technology devices that amplify sound and improve hearing ability in individuals with hearing impairments.
What was the main function of the typewriter?
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Typing letters and documents
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Printing images
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Sending emails
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Storing data
A
Correct answer
Explanation
The typewriter was a mechanical device used for typing letters and documents by pressing keys that imprinted characters onto paper.
What was the main function of the cathode ray tube (CRT)?
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Displaying images on a screen
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Recording and playing audio
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Storing data
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Running software
A
Correct answer
Explanation
The cathode ray tube (CRT) was a display device used in early televisions and computer monitors to display images on a screen.
What was the primary purpose of the punch card?
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Storing data
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Playing music
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Displaying images
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Running software
A
Correct answer
Explanation
The punch card was a data storage medium used in early computers, consisting of a rectangular card with holes punched in specific positions to represent data.