Input and Output Devices Quiz
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Questions and Answers

What technology does a wireless keyboard typically use to connect to a device?

  • USB
  • Bluetooth (correct)
  • Ethernet
  • HDMI

Which type of mouse is designed to reduce muscle strain and discomfort from prolonged use?

  • Wireless Mouse
  • Optical Mouse
  • Ergonomic Mouse (correct)
  • Wired Mouse

What is the primary function of a webcam?

  • Photography
  • Voice recognition
  • Video conferencing (correct)
  • Document scanning

Which display technology uses electron guns to illuminate phosphors on the screen?

<p>Cathode Ray Tube (CRT) (A)</p> Signup and view all the answers

What is the aspect ratio commonly found in modern monitors?

<p>16:9 (C)</p> Signup and view all the answers

Which type of scanner resembles a small photocopy machine and has a flat glass surface for placing documents?

<p>Flatbed Scanner (D)</p> Signup and view all the answers

What is the main purpose of a digital camera?

<p>Photography and videography (A)</p> Signup and view all the answers

What type of printer uses a matrix of small pins to transfer ink onto paper?

<p>Dot Matrix Printer (C)</p> Signup and view all the answers

What is the role of a microphone in the context of computers?

<p>Capture sound waves and convert them into electrical signals (C)</p> Signup and view all the answers

What does a touchscreen allow users to do directly?

<p>Interact with a digital display using touch gestures. (A)</p> Signup and view all the answers

What is the primary function of a modem?

<p>Allow computers to communicate over telephone lines (D)</p> Signup and view all the answers

Which type of printer is known for fast printing speeds and high-quality outputs?

<p>Laser Printer (C)</p> Signup and view all the answers

What is the function of a network card's input functionality?

<p>Send data packets from the network to the computer's processor (B)</p> Signup and view all the answers

What does the resolution of a printer measure?

<p>Quality of printed images in dots per inch (DPI) (A)</p> Signup and view all the answers

How does an inkjet printer produce outputs?

<p>By spraying liquid ink through tiny nozzles onto the paper (D)</p> Signup and view all the answers

What does a touchscreen monitor's output functionality involve?

<p>Displaying visual information to the user (C)</p> Signup and view all the answers

What is the function of a laser printer's electrostatic process?

<p>Transferring the image from the drum to paper (A)</p> Signup and view all the answers

What is the significance of a printer's speed feature?

<p>Indicating how many pages can be printed per minute (A)</p> Signup and view all the answers

What is the purpose of a computer speaker system?

<p>To convert digital audio data into an analog signal for sound production (D)</p> Signup and view all the answers

Which device converts digital signals into analog signals suitable for telephone line transmission?

<p>Modem (A)</p> Signup and view all the answers

What defines an input device?

<p>A device that allows you to enter data into a computer and interact with it (A)</p> Signup and view all the answers

Which of the following is NOT considered an input device?

<p>Monitor (B)</p> Signup and view all the answers

What is the purpose of an output device?

<p>To display processed input in a way humans can understand (A)</p> Signup and view all the answers

Which of the following keys are typically located at the top of the keyboard?

<p>Function Keys (C)</p> Signup and view all the answers

What do Navigation Keys on a keyboard include?

<p>Arrow keys, Home, End, Page Up, and Down (D)</p> Signup and view all the answers

Which type of keyboard is the most common type used with desktop computers?

<p>Standard Keyboard (B)</p> Signup and view all the answers

What defines an output device?

<p>A device that displays processed data from a computer (A)</p> Signup and view all the answers

A webcam is considered an output device.

<p>False (B)</p> Signup and view all the answers

A laser printer uses an inkjet process to produce outputs.

<p>False (B)</p> Signup and view all the answers

The primary function of a modem is to convert digital signals into analog signals suitable for telephone line transmission.

<p>True (A)</p> Signup and view all the answers

A wireless keyboard typically uses Bluetooth technology to connect to a device.

<p>False (B)</p> Signup and view all the answers

Digital cameras are primarily used for inputting data into computers.

<p>False (B)</p> Signup and view all the answers

The most common type of keyboard used with desktop computers is the ergonomic keyboard.

<p>False (B)</p> Signup and view all the answers

A flatbed scanner is similar to a sheet-fed scanner but has a feed where papers are fed one at a time.

<p>True (A)</p> Signup and view all the answers

CRT monitors are thinner and consume less power compared to LCD monitors.

<p>False (B)</p> Signup and view all the answers

A webcam is primarily designed for photography and videography purposes.

<p>False (B)</p> Signup and view all the answers

An inkjet printer uses a matrix of small pins to transfer ink onto paper.

<p>False (B)</p> Signup and view all the answers

Digital cameras and webcams serve the same primary function as imaging devices.

<p>False (B)</p> Signup and view all the answers

The aspect ratio commonly found in modern monitors is 4:3.

<p>False (B)</p> Signup and view all the answers

Inkjet printers are commonly used in larger office settings.

<p>False (B)</p> Signup and view all the answers

Laser printers use a laser beam to produce an image on a toner cartridge.

<p>False (B)</p> Signup and view all the answers

The resolution of a printer is measured in pixels per inch (PPI).

<p>False (B)</p> Signup and view all the answers

A modem converts digital data from a computer into a digital signal suitable for transmission over analog communication lines.

<p>False (B)</p> Signup and view all the answers

The primary function of a network card is to convert analog signals from the network into digital signals for the computer to process.

<p>False (B)</p> Signup and view all the answers

Touchscreen monitors can only display visual information (output) to the user.

<p>False (B)</p> Signup and view all the answers

A printer's speed feature is not significant when considering its efficiency.

<p>False (B)</p> Signup and view all the answers

The computer speaker system converts digital audio data into a digital signal using the DAC in the sound card.

<p>False (B)</p> Signup and view all the answers

A flatbed scanner is designed to capture images from photographic prints and convert them into a digital format.

<p>True (A)</p> Signup and view all the answers

A wired mouse connects to a computer without the use of physical wires.

<p>False (B)</p> Signup and view all the answers

A digital camera and a webcam are both primarily used for video conferencing purposes.

<p>False (B)</p> Signup and view all the answers

An ergonomic mouse is specifically designed to increase muscle strain and discomfort during prolonged use.

<p>False (B)</p> Signup and view all the answers

LCD monitors consume more power than CRT monitors due to their thinner design.

<p>False (B)</p> Signup and view all the answers

A network card's primary function is to convert digital signals from the network into analog signals for the computer to process.

<p>False (B)</p> Signup and view all the answers

The primary function of a modem is to convert analog signals from a computer into a digital signal suitable for transmission over analog communication lines.

<p>False (B)</p> Signup and view all the answers

A digital camera captures low-resolution images and videos for professional applications.

<p>False (B)</p> Signup and view all the answers

Webcams come built into laptops or monitors and do not have standalone versions available.

<p>False (B)</p> Signup and view all the answers

An inkjet printer uses LED backlighting to produce bright, vibrant images with better black levels.

<p>False (B)</p> Signup and view all the answers

A laser printer uses an inkjet process to produce outputs.

<p>False (B)</p> Signup and view all the answers

Inkjet printers are commonly used in larger office settings.

<p>False (B)</p> Signup and view all the answers

CRT monitors are thinner and consume less power compared to LCD monitors.

<p>False (B)</p> Signup and view all the answers

Touchscreen monitors can only display visual information (output) to the user.

<p>False (B)</p> Signup and view all the answers

Digital cameras are primarily used for inputting data into computers.

<p>False (B)</p> Signup and view all the answers

What technology does a wireless keyboard typically use to connect to a device?

<p>True (A)</p> Signup and view all the answers

Which type of printer is known for fast printing speeds and high-quality outputs?

<p>True (A)</p> Signup and view all the answers

The aspect ratio commonly found in modern monitors is 4:3.

<p>False (B)</p> Signup and view all the answers

What does a touchscreen allow users to do directly?

<p>True (A)</p> Signup and view all the answers

What is the primary function of a modem?

<p>True (A)</p> Signup and view all the answers

A laser printer uses liquid ink sprayed through tiny nozzles onto the paper.

<p>False (B)</p> Signup and view all the answers

Inkjet printers are commonly used in larger office settings.

<p>False (B)</p> Signup and view all the answers

A modem's primary function is to convert analog signals from the network into digital signals for the computer to process.

<p>False (B)</p> Signup and view all the answers

Network cards receive data packets from the network and send them to the computer's processor for further action.

<p>True (A)</p> Signup and view all the answers

Touchscreen monitors only register touches as inputs and do not display any visual information to the user.

<p>False (B)</p> Signup and view all the answers

The resolution of a printer is measured in dots per inch (DPI).

<p>True (A)</p> Signup and view all the answers

Printers can connect to devices via USB, Ethernet, Wi-Fi, but not Bluetooth.

<p>False (B)</p> Signup and view all the answers

The primary function of a digital camera is to convert digital data from a computer into an analog signal.

<p>False (B)</p> Signup and view all the answers

CRT monitors are thinner and consume less power compared to LCD monitors.

<p>False (B)</p> Signup and view all the answers

Combined input/output devices like modems allow computers to communicate with each other using wireless technology.

<p>False (B)</p> Signup and view all the answers

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