2013F002/Q2s

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Quiz 2 - CDS 130, Fall 2013.

(Sample problems.)

Name: ____________________

This quiz is intended to ensure that you are prepared for class and have read the syllabus. You have 10 minutes to finish the quiz. When you are done, turn over your quiz; the instructor will collect the quizzes.

The questions are based on content that appears at (or is linked to from) Binary_Addition and Encoding.

1. Binary Addition

     0 1 1 0 1
  +  1 0 0 1 1
    ___________

2. Encoding

(The 7-bit ASCII table will be projected on the screen - no need to memorize it!)

A forensic computer scientist finds the following list of binary values on a hard drive (spaces added to improve readability): 01001100 01001111 01001100. Assuming that the information is encoded as 7-bit ASCII, what does this series of numbers represent?

A. :-)
B. :-(
C. LOL
D. Woof
E. oNaMoNaPiA
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