IT Essentials Chapter 7

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IT Essentials Quizzes & Trivia

It essenitals


Questions and Answers
  • 1. 

    Which technology is used by laser printers?

    • A.

      Digital drop

    • B.

      Electrophotographic

    • C.

      Electrostatic spray

    • D.

      Impact

    • E.

      Ink melting

    Correct Answer
    B. Electrophotographic
    Explanation
    Laser printers use electrophotographic technology. This technology involves a process where an image is formed on a photosensitive drum using a laser beam. The drum is then coated with toner particles that are attracted to the charged areas of the image. The toner is transferred onto the paper and fused using heat and pressure to create the final printed output. This method allows for high-quality and precise printing, making electrophotographic technology the preferred choice for laser printers.

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  • 2. 

    Which laser printer component is a metal cylinder that is coated with a light-sensitive insulating material?

    • A.

      Drum

    • B.

      Fuser

    • C.

      Fusing unit

    • D.

      Platen

    • E.

      Transfer corona wire

    Correct Answer
    A. Drum
    Explanation
    The metal cylinder that is coated with a light-sensitive insulating material in a laser printer is called the drum. The drum plays a crucial role in the printing process as it is responsible for attracting toner particles and transferring them onto the paper. The light-sensitive coating on the drum is charged by a laser beam, creating an electrostatic image that attracts the toner particles. This image is then transferred onto the paper, resulting in the final printed output.

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  • 3. 

    Which step of the laser printing process involves scanning the photosensitive drum with a laser?

    • A.

      Cleaning

    • B.

      Conditioning

    • C.

      Developing

    • D.

      Fusing

    • E.

      Transferring

    • F.

      Writing

    Correct Answer
    F. Writing
    Explanation
    The step of the laser printing process that involves scanning the photosensitive drum with a laser is "writing." During this step, the laser beam is used to create an electrostatic image on the drum, which will later be transferred onto the paper. This process is essential for creating the desired text or image that needs to be printed.

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  • 4. 

    Which step of the laser printing process is the last step performed by a laser printer when printing a document?

    • A.

      Cleaning

    • B.

      Conditioning

    • C.

      Developing

    • D.

      Fusing

    • E.

      Transferring

    • F.

      Writing

    Correct Answer
    D. Fusing
    Explanation
    The fusing step is the last step performed by a laser printer when printing a document. In this step, the toner, which contains the image or text to be printed, is melted and fused onto the paper using heat and pressure. This ensures that the toner adheres to the paper and becomes a permanent part of the document. After the fusing step, the printed document is ready to be ejected from the printer.

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  • 5. 

    What are two advantages of using impact printers? (Choose two.)

    • A.

      Carbon-copy printing ability

    • B.

      Print speeds up to 200 ppm

    • C.

      High-resolution printing ability

    • D.

      Individual color cartridges

    • E.

      Inexpensive consumables

    • F.

      Silent printing ability

    Correct Answer(s)
    A. Carbon-copy printing ability
    E. Inexpensive consumables
    Explanation
    Impact printers have the advantage of carbon-copy printing ability, which means they can create multiple copies of a document simultaneously. This is useful for creating duplicates of receipts, invoices, or other important documents. Additionally, impact printers have inexpensive consumables, such as ribbons or ink cartridges, which make them cost-effective to use in the long run. These advantages make impact printers a preferred choice in situations where carbon-copy printing and cost-efficiency are important factors.

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  • 6. 

    Which printer technology is used in low-cost, photo-quality printers?

    • A.

      Impact

    • B.

      Inkjet

    • C.

      Laser

    • D.

      Thermal

    Correct Answer
    B. Inkjet
    Explanation
    Inkjet technology is used in low-cost, photo-quality printers because it offers a cost-effective solution for producing high-quality prints. Inkjet printers work by spraying tiny droplets of ink onto the paper, resulting in sharp and vibrant images. This technology is suitable for photo printing as it can reproduce a wide range of colors and details accurately. Additionally, inkjet printers are affordable and widely available, making them a popular choice for home users and small businesses looking to print high-quality photos without breaking the bank.

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  • 7. 

    Which unit is commonly used to measure the print quality of an inkjet printer?

    • A.

      DPI

    • B.

      PPM

    • C.

      Dot pitch

    • D.

      NLQ

    Correct Answer
    A. DPI
    Explanation
    DPI stands for dots per inch, which is a unit commonly used to measure the print quality of an inkjet printer. It refers to the number of dots that can be printed within a one-inch area. A higher DPI indicates a higher resolution and finer detail in the printed output. Therefore, DPI is the correct unit of measurement for print quality in an inkjet printer.

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  • 8. 

    What is a common disadvantage of inkjet printers?

    • A.

      Toner for inkjet printers is expensive.

    • B.

      It offers poor print quality.

    • C.

      The nozzles can get obstructed.

    • D.

      It takes a lot of time to warm up.

    Correct Answer
    C. The nozzles can get obstructed.
    Explanation
    The common disadvantage of inkjet printers is that the nozzles can get obstructed. This can happen due to dried ink or debris, causing the printer to produce streaky or uneven prints. Regular cleaning and maintenance are required to prevent nozzle clogging and ensure optimal print quality.

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  • 9. 

    What is an advantage of using a solid-ink printer instead of an inkjet printer?

    • A.

      It produces vivid color prints.

    • B.

      It warms up quickly.

    • C.

      The ink used is considerably cheaper.

    • D.

      The used-ink cartridges can be refilled.

    Correct Answer
    A. It produces vivid color prints.
    Explanation
    An advantage of using a solid-ink printer instead of an inkjet printer is that it produces vivid color prints. Solid-ink printers use solid blocks of ink that melt and are applied to the paper, resulting in vibrant and accurate colors. This is in contrast to inkjet printers that use liquid ink sprayed onto the paper, which can sometimes result in less vibrant or less accurate colors.

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  • 10. 

    Which type of printer is commonly used in stores to produce cash register receipts?

    • A.

      Dye sublimation

    • B.

      Inkjet

    • C.

      Laser

    • D.

      Thermal

    Correct Answer
    D. Thermal
    Explanation
    Thermal printers are commonly used in stores to produce cash register receipts. These printers use heat to transfer the image onto the paper, making them fast and reliable for printing receipts. They are also cost-effective and low-maintenance, making them a popular choice for businesses. Dye sublimation printers use heat to transfer dye onto various materials, such as paper or plastic, but they are not commonly used for cash register receipts. Inkjet and laser printers are more commonly used for general document printing and are not typically used for producing receipts in stores.

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  • 11. 

    Which software, embedded in a printer, controls how the printer operates and can be upgraded?

    • A.

      Driver

    • B.

      Firmware

    • C.

      Operating system

    • D.

      Printer utilities

    Correct Answer
    B. Firmware
    Explanation
    Firmware is the correct answer because it refers to the software that is embedded in a printer and controls how it operates. It can also be upgraded, allowing for improvements or bug fixes to be implemented in the printer's functionality.

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  • 12. 

    Which software converts scanned pages into text?

    • A.

      Image Text Converter

    • B.

      Optical Character Recognition

    • C.

      Optical Text Recognition

    • D.

      Character Image Recognition

    Correct Answer
    B. Optical Character Recognition
    Explanation
    Optical Character Recognition (OCR) is the software that converts scanned pages into text. OCR technology analyzes the shapes and patterns of characters in an image and then translates them into editable and searchable text. It is widely used to digitize printed documents, such as books, articles, and invoices, making them easier to store, edit, and search. OCR software is an essential tool for businesses and individuals who need to convert physical documents into digital formats quickly and accurately.

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  • 13. 

    Which three functions are commonly included in the all-in-one devices? (Choose three.)

    • A.

      USB hub

    • B.

      Fax

    • C.

      Plotter

    • D.

      Printer

    • E.

      Scanner

    • F.

      Wireless access point

    Correct Answer(s)
    B. Fax
    D. Printer
    E. Scanner
    Explanation
    All-in-one devices are designed to combine multiple functions into a single device, reducing the need for separate devices and saving space. The three functions commonly included in all-in-one devices are fax, printer, and scanner. A fax function allows the device to send and receive faxes, a printer function allows it to print documents, and a scanner function allows it to scan documents and convert them into digital format. These three functions cover the basic needs of most office environments and make the all-in-one device versatile and convenient to use.

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  • 14. 

    What is the best source for a Windows-compatible scanner driver?

    • A.

      Website for scanner manufacturer

    • B.

      Microsoft Update website

    • C.

      Scanner installation disk

    • D.

      Windows Device Manager

    • E.

      Windows hardware profiles

    Correct Answer
    A. Website for scanner manufacturer
    Explanation
    The best source for a Windows-compatible scanner driver is the website for the scanner manufacturer. This is because the manufacturer's website will have the most up-to-date and compatible drivers specifically designed for their scanners. Microsoft Update website may have generic drivers, but they may not be optimized for a specific scanner model. The scanner installation disk may have outdated drivers, and Windows Device Manager and Windows hardware profiles may not have the latest drivers available. Therefore, the manufacturer's website is the most reliable source for scanner drivers.

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  • 15. 

    Which standard governs the use of parallel printer ports?

    • A.

      IEEE 973

    • B.

      IEEE 1284

    • C.

      IEEE 1394

    • D.

      IEEE 802.4

    Correct Answer
    B. IEEE 1284
    Explanation
    IEEE 1284 is the correct answer because it is the standard that governs the use of parallel printer ports. This standard specifies the electrical and physical interface between a computer and a parallel printer, including the cable and connector requirements. It also defines the communication protocols and data transfer modes used for printing. Therefore, IEEE 1284 is the appropriate standard for parallel printer ports.

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  • 16. 

    What is the maximum number of devices that can be connected to a single FireWire interface?

    • A.

      10

    • B.

      24

    • C.

      63

    • D.

      127

    • E.

      256

    Correct Answer
    C. 63
    Explanation
    The maximum number of devices that can be connected to a single FireWire interface is 63. FireWire, also known as IEEE 1394, is a high-speed serial bus interface commonly used for connecting devices such as external hard drives, digital cameras, and audio interfaces to a computer. FireWire supports a daisy-chain topology, where multiple devices can be connected in a series using a single interface. Each device in the chain requires a unique identifier, and FireWire supports up to 63 unique identifiers, hence the maximum number of devices that can be connected is 63.

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  • 17. 

    Which Windows XP command sends a file namedexa mple.t xt to the default printer?

    • A.

      Send example.txt

    • B.

      Example.txt default-printer

    • C.

      Default-printer example.txt

    • D.

      Print example.txt

    Correct Answer
    D. Print example.txt
    Explanation
    The correct answer is "print example.txt". This command is used in Windows XP to send a file named "example.txt" to the default printer.

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