Theory Question: Base Conversions – Octal Arithmetic Solutions

a. Convert each of the following numbers to base two and store in 8-bits storage location.
i. -105
ii. 117

b. Evaluate the octal arithmetic below:

i.

  7 4 4  
  3 5 7  
  X X X  
+ 2 4 3  
  X X X

ii.

  2 3 5  
+ 5 7 6  
  X X X  
  5 7 6  
  X X X