Podcast
Questions and Answers
What is the correct definition of output in computing?
What is the correct definition of output in computing?
- Data that is stored on a device
- Data that is unprocessed and raw
- Data that has been processed into a useful form (correct)
- Data that is used for input purposes
Which of the following is a characteristic of impact printers?
Which of the following is a characteristic of impact printers?
- They use thermal technology for printing.
- They produce higher quality images compared to ink-jet printers.
- They rely on physical contact to create impressions on paper. (correct)
- They are typically quieter than nonimpact printers.
What distinguishes a laser printer from an ink-jet printer?
What distinguishes a laser printer from an ink-jet printer?
- Laser printers are primarily used for photo printing, while ink-jet printers are used for standard documents.
- Laser printers use liquid ink, while ink-jet printers use toner.
- Laser printers are less expensive than ink-jet printers.
- Laser printers operate using a laser beam to format images, while ink-jet printers spray ink onto the paper. (correct)
Which of the following devices is considered a multifunction peripheral?
Which of the following devices is considered a multifunction peripheral?
Which type of display device affects the quality of an LCD monitor?
Which type of display device affects the quality of an LCD monitor?
What type of printer is characterized by its ability to print high-quality images but often at a slower speed?
What type of printer is characterized by its ability to print high-quality images but often at a slower speed?
What is one of the primary characteristics of speakers used for computer output?
What is one of the primary characteristics of speakers used for computer output?
Which of the following is a primary purpose of data projectors?
Which of the following is a primary purpose of data projectors?
What defines the resolution of a display device?
What defines the resolution of a display device?
Which output device is primarily known for producing high-quality color prints?
Which output device is primarily known for producing high-quality color prints?
What type of printer forms graphics by striking an inked ribbon?
What type of printer forms graphics by striking an inked ribbon?
Which device is best suited for presenting images and text from a computer on a larger screen?
Which device is best suited for presenting images and text from a computer on a larger screen?
Which type of monitor uses gas plasma technology?
Which type of monitor uses gas plasma technology?
What feature of an LCD monitor largely affects image clarity?
What feature of an LCD monitor largely affects image clarity?
Which device can provide tactile output?
Which device can provide tactile output?
What technology allows photo printing directly from a digital camera?
What technology allows photo printing directly from a digital camera?
What distinguishes a multifunction peripheral (MFP)?
What distinguishes a multifunction peripheral (MFP)?
What is the primary function of a graphics processing unit (GPU)?
What is the primary function of a graphics processing unit (GPU)?
Which type of output device is specifically designed for audio?
Which type of output device is specifically designed for audio?
What typically characterizes a thermal printer?
What typically characterizes a thermal printer?
What type of output device is ideal for producing large format drawings?
What type of output device is ideal for producing large format drawings?
Flashcards
What is output?
What is output?
Data that has been processed and made useful for humans to understand.
What are display devices?
What are display devices?
Devices that display visual information, such as text, images, and videos.
What affects the quality of a display device?
What affects the quality of a display device?
The clarity, sharpness, and accuracy of the image displayed on a screen.
What is an impact printer?
What is an impact printer?
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What is a non-impact printer?
What is a non-impact printer?
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What are audio output devices?
What are audio output devices?
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What are output options for physically challenged users?
What are output options for physically challenged users?
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What are data projectors?
What are data projectors?
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Output Device
Output Device
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Display Device
Display Device
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Monitor
Monitor
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LCD Monitor
LCD Monitor
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Resolution
Resolution
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Response Time
Response Time
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Contrast Ratio
Contrast Ratio
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Dot Pitch
Dot Pitch
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Printer
Printer
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Ink-jet Printer
Ink-jet Printer
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Laser Printer
Laser Printer
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Multifunction Peripheral (MFP)
Multifunction Peripheral (MFP)
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Audio Output Device
Audio Output Device
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Data Projector
Data Projector
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Interactive Whiteboard
Interactive Whiteboard
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Study Notes
Output Devices
- Output is data processed into a useful format
- An output device is hardware that conveys information to people
- Display devices visually convey information (text, graphics, video)
- Monitors are separate peripherals
- LCD monitors
- Widescreen monitors
- Liquid crystal display (LCD) uses a liquid compound to present information
- Active-matrix display
- Passive-matrix display
- LCD monitor quality depends on:
- Resolution
- Response time
- Brightness
- Dot pitch
- Contrast ratio
- Resolution is the number of horizontal and vertical pixels in a display device
- Higher resolution uses more pixels
- Graphics processing unit (GPU) controls manipulation and display of graphics
- LCD monitors use a digital signal and need a:
- DVI port
- HDMI port
- DisplayPort
- Plasma monitors use gas plasma technology and have screens up to 150 inches
- Televisions are output devices and require a converter to connect to an analog TV
- Digital television (DTV) has a higher quality output than analog
- High-Definition Television (HDTV) is an advanced form of digital television
- CRT monitors contain a cathode-ray tube and have a large footprint compared to LCD monitors
Printers
- Printers produce text and graphics on a physical medium (hard copy or printout)
- Portrait or landscape orientation
- Questions to ask when buying a printer:
- Budget
- Printing speed
- Color printing needs?
- Cost per page
- Multiple copies needed?
- Graphics printing?
- Photo printing?
- Memory card printing?
- Paper types/sizes?
- Two-sided printing?
- Paper tray capacity?
- Compatibility with computer and software?
- Supply costs (ink, toner, paper)?
- Envelope printing?
- Printing volume (now and future)?
- Wireless or network connections?
- Nonimpact printers form characters/graphics without physically striking the paper
- Ink-jet
- Photo
- Laser
- Thermal
- Mobile
- Label
- Postage
- Plotters
- Large-format
- Ink-jet printers spray tiny ink droplets onto paper
- Color or black-and-white
- Higher DPI (dots per inch) printers have higher output quality
- Photo printers produce color photo-lab quality pictures (usually ink-jet)
- PictBridge allows direct printing from digital cameras / memory cards
- Built-in LCD previewing
- Laser printers are high-speed black-and-white or color printers
- Multifunction peripherals (MFPs) are all-in-one devices that print, scan, copy, and sometimes fax
- Thermal printers generate images by pushing heated pins against heat-sensitive paper
- Thermal wax-transfer printers
- Dye-sublimation printers
- Mobile printers are small, lightweight, battery-powered printers for use with mobile devices
- Label printers print on adhesive material
- Postage printers print postage stamps
- Plotters produce high-quality drawings
- Large-format printers create photo-realistic prints on larger scales
- Impact printers form characters/graphics by striking a mechanism against an inked ribbon
- Dot-matrix printers
- Line printers
Other Output Devices
- Data projectors display computer screen images on a larger screen
- LCD projectors
- DLP projectors
- Interactive whiteboards are touch-sensitive devices, resembling dry-erase boards
- Force-feedback game controllers deliver resistance/feedback to the user
- Tactile output provides physical responses from the device
Accessibility Options for Physical Challenges
- Many accessibility options exist for users with various disabilities
Summary
- Various output methods exist.
- Common output devices include: Display devices, printers, speakers, headphones, earbuds, data projectors, interactive whiteboards, force-feedback controllers and tactile output.
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Description
Explore the various types of output devices, focusing on LCD and plasma monitors. Learn about key specifications like resolution, response time, and graphics processing units (GPUs) that enhance display quality. This quiz will help solidify your understanding of how information is conveyed visually through different hardware.
