Q1: Number Systems

Time Estimate15-30 minutes   Grade Impact0.5%   DueSep 4 @ 12pm  

Objective
Reinforce an understanding of number systems.

Additional Materials & Formats
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Free Response Questions

1. What is a radix?

2. Why are decimal, binary, octal, and hexadecimal popular?

3. Why do engineers get confused about Christmas and Halloween?

Multiple-Choice Questions

4. What is the binary equivalent of the decimal number 10?

   • 1011
   • 1001
   • 1100
   • 1010

5. Which of the following are valid hexadecimal numbers? Select all that apply.

   • G7
   • 1F
   • 99
   • 2Z
   • H3
   • 12
   • AB
   • 3J

6. What is the decimal value of the hexadecimal number A?

   • 8
   • 9
   • 10
   • 11

7. What is the base of the binary number system?

   • 8
   • 10
   • 2
   • 16

8. Which of the following represents the decimal number 15 in binary?

   • 1110
   • 1111
   • 1010
   • 1001

9. How can one indicate the base of a number? Select all that apply.

   • By placing the base as a superscript
   • By placing the base as a subscript
   • By prefixing the number with the base
   • By using a suffix notation
   • By writing the base in parentheses after the number

10. Which of the following correctly represents the binary number 1010 using prefix notation?

    • bin1010
    • 0b1010
    • bin(1010)
    • $1010_2$