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 DFTM principle emphasizes the use of diagnostic tools to identify and isolate faults?

  1. Testability

  2. Maintainability

  3. Reliability

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

Diagnostics involves using tools and techniques to identify and isolate faults, enabling efficient maintenance and repair.

Multiple choice

Which supercomputer was used to simulate the formation of the cosmic microwave background radiation in the CMB-S4 simulation?

  1. Summit

  2. Sierra

  3. Perlmutter

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

The CMB-S4 simulation was run on the Summit supercomputer at the Oak Ridge National Laboratory in the United States.

Multiple choice

Which feature allows passengers to mirror content from their personal devices onto the in-flight entertainment screen?

  1. Bluetooth Connectivity

  2. Wi-Fi Connection

  3. Screen Mirroring

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

Screen mirroring allows passengers to wirelessly display content from their personal devices onto the in-flight entertainment screen.

Multiple choice

Which of the following is NOT a type of electronic display technology?

  1. Liquid Crystal Display (LCD)

  2. Light Emitting Diode (LED)

  3. Plasma Display Panel (PDP)

  4. Cathode Ray Tube (CRT)

  5. Inkjet Printer
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Inkjet Printer is not a type of electronic display technology because it does not display information electronically.

Multiple choice

Which of the following is a small, portable device that can be used to translate languages?

  1. Language Translator

  2. Pocket Translator

  3. Travel Translator

  4. Universal Translator
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following is a small, portable device that can be used to measure the distance you have traveled?

  1. Pedometer

  2. Odometer

  3. GPS Tracker

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

A pedometer is a small, portable device that can be used to measure the distance you have traveled. It typically has a sensor that counts the number of steps you take.

Multiple choice

What is the most common type of projection screen?

  1. Manual pull-down screen

  2. Electric screen

  3. Fixed frame screen

  4. Portable screen
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the name of the technology that allows musicians to control electronic instruments using their body movements?

  1. MIDI

  2. CV/Gate

  3. USB

  4. Bluetooth
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

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

  1. Direct Manipulation

  2. Menu-Driven Interaction

  3. Natural Language Processing

  4. Gesture-Based Interaction
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Natural Language Processing is a field of computer science, not a specific type of human-computer interaction.

Multiple choice

Which assistive technology device is commonly used by individuals with hearing impairments?

  1. Cochlear implant

  2. Hearing aid

  3. Sign language interpreter

  4. Tactile communication device
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hearing aids are assistive technology devices that amplify sound and improve hearing ability in individuals with hearing impairments.

Multiple choice

What was the main function of the typewriter?

  1. Typing letters and documents

  2. Printing images

  3. Sending emails

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

The typewriter was a mechanical device used for typing letters and documents by pressing keys that imprinted characters onto paper.

Multiple choice

What was the main function of the cathode ray tube (CRT)?

  1. Displaying images on a screen

  2. Recording and playing audio

  3. Storing data

  4. Running software
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What was the primary purpose of the punch card?

  1. Storing data

  2. Playing music

  3. Displaying images

  4. Running software
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the name of the technology used to project the results of a race onto a screen?

  1. Jumbotron

  2. Scoreboard

  3. Projector

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

The name of the technology used to project the results of a race onto a screen is LED display.

Multiple choice

What is the primary input method for interacting with digital assistants?

  1. Text

  2. Speech

  3. Touch

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

Digital assistants can be interacted with through text, speech, touch, or a combination of these methods.