Computer Graphics and Output Devices

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Questions and Answers

What is the primary component of a pixel?

  • Red, green, and blue light (correct)
  • A mixture of ultraviolet and infrared light
  • A combination of yellow and violet light
  • A single white light

What is the primary advantage of non-impact printers?

  • They are quieter than impact printers
  • They produce higher-quality prints than impact printers (correct)
  • They are less expensive than impact printers
  • They are faster than impact printers

What is the primary purpose of a plotter?

  • To produce high-quality photographs
  • To scan documents quickly
  • To create large, finely scaled engineering blueprints and maps (correct)
  • To send faxes

What is a common feature of multifunction printers?

<p>The ability to serve as a printer, scanner, and fax machine (A)</p> Signup and view all the answers

What is a key difference between monitors and printers?

<p>Monitors can display more colors than printers (D)</p> Signup and view all the answers

What is the primary difference between impact and non-impact printers?

<p>Impact printers form images by physically striking paper, while non-impact printers do not (C)</p> Signup and view all the answers

What is a characteristic of impact printers?

<p>They are noisy, have limited print quality, and are slow (A)</p> Signup and view all the answers

What is a common advantage of inkjet printers?

<p>They cost less than laser printers (C)</p> Signup and view all the answers

What does a facsimile (fax) machine do?

<p>Scans a page and sends electronic pulses over phone lines (C)</p> Signup and view all the answers

What is a common use for headsets?

<p>Telephone and teleconferencing applications (D)</p> Signup and view all the answers

What do sound output jacks connect to?

<p>Headphones, powered speakers, and audio devices (C)</p> Signup and view all the answers

What is a characteristic of magnetic tape?

<p>Sequential-access medium (D)</p> Signup and view all the answers

What is a primary use of tape drives?

<p>Data backup (D)</p> Signup and view all the answers

What do communication technologies enable?

<p>Data flow between CPU and external networks (D)</p> Signup and view all the answers

What is a characteristic of storage devices?

<p>Perform both input and output functions (A)</p> Signup and view all the answers

Why is magnetic tape used?

<p>It provides low-cost storage (C)</p> Signup and view all the answers

What is the main advantage of magnetic disks?

<p>They provide random access capability (D)</p> Signup and view all the answers

What is a primary use of optical discs?

<p>Making backup copies (A)</p> Signup and view all the answers

Which statement is true about CD-R and CD-RW?

<p>CD-R is write-once, read-many (B)</p> Signup and view all the answers

Which media format is gradually being replaced by Blu-ray drives in PCs?

<p>Rewritable DVD drives (A)</p> Signup and view all the answers

What is the capacity of a single-layer BD/ROM disc?

<p>27 GB (D)</p> Signup and view all the answers

Which type of drive can be connected through USB or FireWire ports?

<p>External drives (C)</p> Signup and view all the answers

Which of the following is not true about internal drives?

<p>They can be easily transported between locations (B)</p> Signup and view all the answers

What is the main protection feature of an optical disc?

<p>Transparent plastic disc surface (A)</p> Signup and view all the answers

Which peripheral device converts analog images to digital files?

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

What kind of devices are keyboards and mice primarily classified as?

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

Which type of output is typically delivered through speakers and headphones?

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

Which type of reader is used to recognize and translate specially printed patterns?

<p>Bar code reader (D)</p> Signup and view all the answers

Which technology allows peripherals to connect to multiple PCs without cables?

<p>Wireless technology (C)</p> Signup and view all the answers

What is a common use for high-capacity magnetic disks?

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

Which devices detect motion, temperature, and pressure?

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

What kind of devices can accept information from a computer and then send it back?

<p>Storage devices (C)</p> Signup and view all the answers

What type of memory is flash memory?

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

What is a common use of USB flash drives?

<p>Storing and transporting data (C)</p> Signup and view all the answers

Which of these should be considered for designing an ergonomic workspace?

<p>Keyboard layout (D)</p> Signup and view all the answers

What is recommended to protect your ears in an ergonomic workspace?

<p>Reducing disk drive noise (D)</p> Signup and view all the answers

Which type of personal computer design combines the monitor and system unit?

<p>All-in-one systems (B)</p> Signup and view all the answers

Which of the following port types sends and receives data one bit at a time?

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

Why might flash memory still be considered less desirable compared to other storage options?

<p>It is still more expensive than spinning drives. (D)</p> Signup and view all the answers

What is recommended to rest your eyes in an ergonomic workspace?

<p>Taking a 15-minute break (D)</p> Signup and view all the answers

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