9. Converting (0111011.100)2 to base 16 yields which of the following results?

  1. 73.8
  2. 3C.4
  3. 3B.8
  4. 73.4
  5. 3B.4

5 is WRONG. You are interpreting .100 as .4; however in hexadecimal it is required to work with four bits, not three. So you must add a trailing zero: .1000 Watch out for this on the exam!

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