MIS Chapter 4: Ethical & Social Issues in IS
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Questions and Answers

What is the approximate size of a digital photo in terms of Mbytes?

  • 1 Mbyte
  • 100 Mbytes
  • 1000 Mbytes
  • 10 Mbytes (correct)

    • What is the purpose of virtual memory?

  • To allow multiple programs to run simultaneously
  • To increase the processing speed of a program
  • To make the RAM appear bigger by storing some programs temporarily on disk (correct)
  • To reduce the amount of storage required for a program

    • What is the characteristic of a lossless compression method?

  • It recovers the exact original image or text (correct)
  • It increases the storage required for the image or text
  • It recovers something like the original image or text
  • It reduces the quality of the original image or text

    • What is the approximate size of a scanned page in terms of Mbytes?

    <p>128 Mbytes</p> Signup and view all the answers

    What is the problem that leads to the need for virtual memory?

    <p>Running lots of programs and each program is large</p> Signup and view all the answers

    What is the approximate size of a video in terms of Mbytes per second?

    <p>10 Mbytes per second</p> Signup and view all the answers

    What is a consequence of the decentralization of computing power?

    <p>Key decision-making power remains centralized</p> Signup and view all the answers

    What is an example of computer abuse?

    <p>Using a computer system for unethical acts, not illegal</p> Signup and view all the answers

    What is a health risk associated with computer use?

    <p>All of the above</p> Signup and view all the answers

    What is a critical feature of printing resolution?

    <p>Size and spacing of the dots</p> Signup and view all the answers

    What is a negative consequence of the lengthening of the workday due to computing and internet use?

    <p>Infringement on family and personal time</p> Signup and view all the answers

    What is a consequence of businesses' dependence on computer systems?

    <p>Increased vulnerability to computer crime</p> Signup and view all the answers

    What is the main purpose of compression techniques in image and audio/video storage formats?

    <p>To reduce the storage requirements of the media</p> Signup and view all the answers

    What is the main difference between SGML and XML?

    <p>XML is simpler than SGML</p> Signup and view all the answers

    What is the purpose of indexing in large information stores?

    <p>To make searching faster</p> Signup and view all the answers

    What is the main advantage of forgiving systems like Xerox's 'do what I mean' (DWIM)?

    <p>They are more flexible</p> Signup and view all the answers

    What is the main disadvantage of free text indexing?

    <p>It takes up too much space</p> Signup and view all the answers

    What is the purpose of using ASCII and UTF-8 in text storage formats?

    <p>To encode text using a binary code</p> Signup and view all the answers

    What is the typical resolution range for scanners?

    <p>600-2400 dpi</p> Signup and view all the answers

    What is the limitation of interactive performance caused by a bottleneck in the transference of data from disk to memory?

    <p>Storage channel bound</p> Signup and view all the answers

    What is the main advantage of optical disks over magnetic media?

    <p>Greater robustness</p> Signup and view all the answers

    What is the common bottleneck in interactive performance that is sometimes helped by adding a graphics co-processor?

    <p>Graphics bound</p> Signup and view all the answers

    What is the primary purpose of groupware?

    <p>Collaboration with other people</p> Signup and view all the answers

    What is the purpose of Optical Character Recognition (OCR)?

    <p>To convert bitmap images into text</p> Signup and view all the answers

    What is the primary difference between a flat-bed scanner and a hand-held scanner?

    <p>Scanning method</p> Signup and view all the answers

    What is the protocol that ensures a reliable channel between programs on machines?

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

    What was the primary purpose of the original DARPANET in 1969?

    <p>To create a network for the US Department of Defense</p> Signup and view all the answers

    What is the typical access time for RAM?

    <p>100 nano-seconds</p> Signup and view all the answers

    What is the primary concern of network delays in interactive performance?

    <p>Slow feedback</p> Signup and view all the answers

    What is the primary use of Flash-Memory?

    <p>Memory storage for PDAs and cameras</p> Signup and view all the answers

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