18 Questions
What type of printers are commonly used in classrooms and conference rooms?
Data and multimedia projectors
What is a characteristic of printers that is used to distinguish between them?
Printing technology used
What type of printer is suitable for producing high-quality images?
Ink-jet printers
What are some special-purpose printers used in specific industries?
Hologram projectors, digital signage systems, and digital billboards
What is a common application of laser printers?
High-volume printing
What is a characteristic of personal printers?
Designed for individual use
What is the typical print resolution range for laser printers?
600-2,400 dpi
How do ink-jet printers produce images on paper?
By spraying droplets of ink
What is a potential future application of printing technology?
Printing human tissue
What type of printer is commonly used for business documents?
Laser printer
What do laser printers use to produce images on paper?
Toner powder
What is the difference in printing style between laser and ink-jet printers?
Laser printers print one entire page at a time, while ink-jet printers print one line at a time.
What is the purpose of an optical scanner in a computer system?
To capture an image of an object and transfer it to a computer in digital form
What determines the quality of scanned images in an optical scanner?
Optical resolution, measured in dots per inch (dpi)
What type of code is used to represent data in a barcode reader?
Machine-readable code, such as Universal Product Code (UPC), ISBN, Code 39, Intelligent mail code, or 2D (QR)
What are the different types of scanners?
Flatbed, Portable, and 3D or Integrated (ATMs, etc.)
What happens when optical character recognition (OCR) is used with an optical scanner?
Text is input as individual text characters
What is the result of increasing the optical resolution of a scanner?
Better quality of scanned images, but larger file size
Test your knowledge on network printers, including print resolution (measured in dpi), print speed (measured in pages per minute), and connection types (USB, Ethernet, Wi-Fi). Explore the multifunction capabilities of laser printers and their use of toner powder for image production.
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