Digital Data and File Formats
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Digital Data and File Formats

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@IrreplaceableIron

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Questions and Answers

What type of files can be exported to PDF format?

  • Audio and video files
  • Documents and images
  • Graphics, spreadsheets, and web pages (correct)
  • Executable files

    • What formatting tool is NOT mentioned in RTF files?

  • Highlighting
  • Underlining
  • Strikethrough (correct)
  • Indentation

    • What is a characteristics of PDF files?

  • Can only be created using specialized software
  • Can only be viewed on specific operating systems
  • Can be viewed across multiple operating systems and hardware platforms (correct)
  • Can be edited by anyone

    • How can a PDF file be created?

    <p>Using a save or print command from within a program</p> Signup and view all the answers

    What is NOT a characteristic of RTF files?

    <p>Support for executable files</p> Signup and view all the answers

    What is a benefit of using PDF files?

    <p>They can be uploaded for online reading</p> Signup and view all the answers

    What does MPEG stand for?

    <p>Moving Picture Experts Group</p> Signup and view all the answers

    What kind of compression does MPEG use?

    <p>Delta compression</p> Signup and view all the answers

    What is the purpose of transmitting whole frames in MPEG?

    <p>To sustain the overall video quality</p> Signup and view all the answers

    What is the main purpose of the MP4 format?

    <p>For digital streaming over the internet</p> Signup and view all the answers

    What is a characteristic of AVI files?

    <p>They do not require codecs</p> Signup and view all the answers

    What is a drawback of AVI files?

    <p>They have higher file sizes</p> Signup and view all the answers

    What feature of PDF files ensures that the document's fonts are maintained even when opened on a computer without the required fonts?

    <p>Font embedding</p> Signup and view all the answers

    What is the process of converting a sound wave into a digital representation for use on a computer?

    <p>Sampling</p> Signup and view all the answers

    What is the major factor affecting the quality of the digital version of a sound file?

    <p>Sample rate</p> Signup and view all the answers

    What is the purpose of password protection and digital signatures in PDF files?

    <p>To reduce the likelihood of breaches of copyright</p> Signup and view all the answers

    What is the benefit of using metadata in PDF files?

    <p>To improve the speed of text searches</p> Signup and view all the answers

    What is a waveform in the context of sound files?

    <p>A pattern that represents a sound</p> Signup and view all the answers

    Why might images need to be compressed before being uploaded to a website?

    <p>To reduce the time it takes to upload and download</p> Signup and view all the answers

    What is a potential issue Maria may encounter when storing a large number of images?

    <p>Running out of storage space</p> Signup and view all the answers

    Which of the following is a possible solution to Maria's storage issue?

    <p>Uploading the images to a cloud storage service</p> Signup and view all the answers

    What is a disadvantage of using lossless compression on images?

    <p>The compressed images may still occupy a significant amount of storage space</p> Signup and view all the answers

    What is a benefit of using compressed images on a website?

    <p>The website may load more quickly</p> Signup and view all the answers

    Why might Maria prefer to use a compressed image format over an uncompressed format?

    <p>To reduce the storage space required</p> Signup and view all the answers

    What is a characteristic of AVI files?

    <p>Does not store the ratio of width-to-height for playback</p> Signup and view all the answers

    What is a key feature of CSV files that enables data portability?

    <p>Compatibility with a wide variety of platforms</p> Signup and view all the answers

    What is a difference between a PICT file and a GIF file?

    <p>GIF files support animation</p> Signup and view all the answers

    What is a key benefit of using PDF files for disseminating information globally?

    <p>They can be opened on a wide variety of platforms</p> Signup and view all the answers

    How do MPEG files maintain a low file size?

    <p>By using lossy compression</p> Signup and view all the answers

    Why are TXT files highly portable?

    <p>Because they are compatible with a wide variety of platforms</p> Signup and view all the answers

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