MMEDIA 1A03, Homework 2

Answer the questions below and then click the "Submit Answers" button at the end. Make sure you enter your last name, first name, and student number correctly. Only submit this once.

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  1. What is a pixel?

    A picture element in a bitmap
    A dot on the keyboard
    A point of colour in a digital video clip
    A pica measurement in desktop publishing
  2. Which of these is not a graphics format?

  3. What is the difference between bitmapped images and vector images?

    A bitmapped image is measured in bits while a vector image is measured in vectors.
    A bitmapped image is made of pixels while a vector image is made of mathematical statements.
    A bitmapped image is mapped to a colour scheme while a vector image is created from individual colours.
    A bitmap is a colour space while a vector is a line.
  4. To get a photographic quality image what colour-depth would you need?

  5. A bitmap image of 100 pixels by 20 pixels in 8-bit colour would be how large?

    2000 bits
    20000 bits
    200 bytes
    2000 bytes
  6. Sound is digitized how?

    By sampling the analog sound and converting it to digital information.
    By connecting a microphone to any computer.
    By downloading an MP3 file.
    By singing into a microphone.
  7. MIDI is what?

    A standard for the exchange of digital audio.
    A way of controlling multimedia computers.
    A standard for describing sequences of musical events.
    A standard for encoding musical scores.
  8. CD-quality sound is sampled at?

    Stereo, 22 kHz, 8-bit resolution
    Mono, 22 kHz, 8-bit resolution
    Stereo, 5 kHz, 8-bit resolution
    Stereo, 44.1 kHz, 16-bit resolution
  9. The crucial piece of hardware needed for digitizing audio is?

    Analog-to-digital converter to convert varying voltage to digital information
    Speakers to listen to digital information
    MIDI Interface to connect the keyboard to the computer
    The video card for speech recognition.
  10. The quality of a digital video clip depends on what?

    The colour of the video captured.
    Whether you are using a Mac or a PC.
    The frame rate and the image quality of the frames captured.
    The type of monitor you are using.
  11. A one second digital video clip captured at 15 frames-per-second at 100 by 50 pixels and in 8-bit colour would be how large?

    75,000 bytes
    5,000 bytes
    7,300 bytes
    5,500 bits
  12. What is the standard for television signals in North America?

  13. Which of these devices would you particularly expect to find at an electronic music station?

    MIDI Device
  14. Which of these is not a defining characteristic of a multimedia work?

    Digital Audio
    A combination of media
    That it runs on a computer
  15. Which of these is a good definition of multimedia?

    A work that mixes spreadsheets, coffee and performance art.
    A work that can be viewed on a computer and is created by an artist.
    A work meant to be viewed on a computer that weaves together interesting information.
    A work meant to be viewed on a computer that combines multiple media into a rhetorical communication.
  16. Which of these can you digitize on a cheap personal computer?

    3 dimensional objects
  17. What is the difference between digital and analogue information?

    Pictures and sound can be stored digitally.
    Digital media can be manipulated by a computer.
    It is cheaper to store media on a computer.
    Analogue media can't be reproduced.
  18. What can you do with digital information that you can't with analog information?

    Deliver it over the Internet.
    Carry it in your backpack.
    Read it quickly.
    Rewrite it.
  19. Which of these is not true of digital media?

    Digital media can be reproduced without loss of information.
    Digitization preserves all the information available in the original analogue work.
    Different digital media can be merged into multimedia works.
    Digital media can include procedures for user interaction.
  20. How is a digital work different from a traditional media work?

    Digital works are typically sequential narratives.
    The digital work only exists on your personal computer when you view it.
    The digital work doesn't exist anywhere.
    The material presence of the digital work is mediated by the computer.
  21. What do we lose in digitizating images?

    We lose information about texture.
    We lose the composition.
    We destroy the original in digitizing it.
    We lose the ability to manipulate the image.
  22. Which of these sequences best describes the evolution of electronic text technology?

    Alphabets, Archives, Text Editors, Printers
    Writing, Printing, Word Processing, Desktop Publishing, WWW
    Oral Culture, Ideogram Culture, Print Culture, Telegraph Culture
    Letter Writing, E-mail, Gopher, WWW, Cell Phones
  23. How have computers changed how we are writing?

    We are all learning to spell better thanks to word processors.
    People tend to write long hand and then type things into the computer.
    With computers we are using less paper when writing and publishing.
    With computers we tend to rewrite more and we can share documents over a network.
  24. What does ASCII stand for?

    American Standard for Computer Information Interchange
    American System for Computer Internet Information
    American System for Coded Internet Information
    American Standard Code for Information Interchange
  25. Most electronic texts are ASCII text files for what reason?

    Because ASCII can encode most languages.
    Because the WWW uses ASCII.
    Because most computers can read an ASCII text file.
    Because ASCII was developed in the United States.
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Web Grader system by Geoffrey Rockwell, Patricia Monger, and Alan Rosenthal, McMaster University, 1997-1999