AQA Paper 2 - Fundamentals of data representation

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1. What is majority voting?

  • Where each bit is sent three times and the majority bit will be taken
  • A method of compression which removes the average majority of pixels
  • Where each bit is trebled so it is more efficient
  • The use of voting to remove unwanted data
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2. What is the advantage of vector graphics?

  • Infinitely Scalable
  • Infinitely inputtable into a program
  • The storage space is always under 0.5KB
  • Allows use of graphical primitives to send the image to the printer

3. What is Unicode?

  • A system for counting the uniqueness of a block of given code
  • A system for encoding characters from different cultures
  • A way of debugging your code
  • A way of adding greek lettering together to form a data point

4. How big is one KibiByte?

  • 16^2 B
  • 2^10 B
  • 10^3 B
  • 2^9 B

5. What is signed binary?

  • Negative binary numbers
  • Float Binary Numbers
  • Binary with a sign bit at the start
  • Binary without a sign bit at the start
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