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ISP 121 -- Activity A10

Binary and Hex Number Systems

Reference for this activity: May 14 Lecture Notes.

 

Submit: A Word file with your answers. The usual name convention
(Smith-Jones.doc). Work in groups of two or three.

  1. Convert the following unsigned binary numbers to hex.
    1. 01110111
    2. 11101001
    3. 10000001
    4. 01010111
       

  2. Convert the following hex numbers to binary.
    1. 14
    2. FF18
    3. 23AA
    4. 10B
       

  3. Translate the following binary ASCII message into characters:

  4. Convert the 8-bit signed binary numbers to decimal.
    1. 00010111
    2. 11101001
    3. 10000001
    4. 01010101
       

  5. Convert from decimal to 8-bit signed binary.
    1. 56
    2. -56
    3. 64
    4. -97

  6.  
    1. What is the maximum value that you can express using 6 bits?
    2. How many values can you express using 9 bits?