Computer Output Devices

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Questions and Answers

Which of the following best describes the function of output in computing?

  • Information or data produced by a computer after processing. (correct)
  • The internal storage of data within a computer system.
  • Hardware components that facilitate data input.
  • The process of entering data into a computer.

A monitor's resolution refers to the number of colors it can display, rather than the number of pixels.

False (B)

What is the term used to describe the quality of a printout produced by a printer?

dpi (dots per inch)

_______ are small programs that facilitate communication between hardware devices and the operating system.

<p>Device drivers</p> Signup and view all the answers

Which wireless technologies can output devices use to connect?

<p>Bluetooth and Wi-Fi (C)</p> Signup and view all the answers

Optical Character Recognition (OCR) technology is used to print documents directly from a computer.

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

Which of the following is a characteristic of an interactive whiteboard?

<p>It is touch-sensitive and uses a data projector. (A)</p> Signup and view all the answers

Besides CDs/DVDs and manufacturer websites, where else can device drivers be obtained?

<p>third-party websites</p> Signup and view all the answers

Match the following terms with their descriptions:

<p>Resolution = Amount of pixels that can be displayed on a monitor Colour depth = The number of colours that can be shown on the monitor DPI = Quality of printout Device Driver = Aids communication between hardware devices and the operating system</p> Signup and view all the answers

What is the primary function of a stylus in the context of computer input?

<p>To act as a pointing device on a touch screen. (D)</p> Signup and view all the answers

Flashcards

Output

Information or data produced by a computer after processing.

Output Devices

Hardware components that convey information to a user (e.g., monitor, printer).

Interactive Whiteboard

A touch-sensitive display that projects an image; presenters control the display by touch.

Resolution (Monitor)

The number of pixels that can be displayed on a monitor.

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Color Depth

The number of colors a monitor can display.

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DPI (Dots Per Inch)

A measure of print quality, indicating dots per inch.

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Device Drivers

Small programs that facilitate communication between hardware and the OS.

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Optical Character Recognition (OCR)

Technology that converts scanned text into editable digital documents.

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Stylus

A pen-like device used as a pointing device on a touch screen.

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Study Notes

  • Output refers to processed information or data produced by a computer.
  • Output devices are hardware components, like monitors or printers, that communicate information to users.

Interactive Whiteboards

  • Interactive whiteboards are touch-sensitive devices that project an image using a data projector.
  • Presenters can control the displayed image by touching it directly.
  • Computers connected to interactive whiteboards can be controlled via remote controls or digital pens.
  • Virtual keyboards can be used, freeing users from needing to sit at the computer.

Monitors

  • Resolution is the number of pixels that can be displayed, with higher resolutions producing sharper images.
  • Color depth refers to the number of colors a monitor can display.

Printers

  • Print quality is measured in dots per inch (dpi), and higher dpi values equate to higher quality printouts.

Wireless Technology

  • Output devices can connect wirelessly via Bluetooth or Wi-Fi.

Device Drivers

  • Device drivers are small programs facilitating communication between hardware devices and the operating system.
  • Drivers can be found on CDs/DVDs included with hardware, manufacturer websites, or third-party websites.
  • Some devices, like smartphones, store device drivers on a ROM chip internally.

Optical Character Recognition (OCR)

  • Optical Character Recognition (OCR) is used with a scanner to read and convert text from scanned documents.

Stylus

  • A stylus is a pen-like device with a plastic tip.
  • They are used as a pointing device on touch screens.

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