Created 11/25/14; edited 05/30/15


pencil on Binary Fractions (Part 2)

Instructions: For each question, choose the single best answer. Make your choice by clicking on its button. You can change your answers at any time. When the quiz is graded, the correct answers will appear in the box after each question.



1. Express 5 + 0/2 + 1/4 + 0/8 + 1/16 using base 2 positional notation.

A.    5.0110
B.    101.0101
C.    101.101
D.    111.0101

2. Express 110.10012 as a sum of decimal integers and fractions

A.    4 + 2 + 1/2 + 1/16
B.    4 + 2 + 1/2 + 1/32
C.    4 + 2 + 1/4 + 1/16
D.    6 + 3/16

3. Express 1001.10112 as a sum of a single decimal integer and a single decimal fraction.

A.    10 + 11/2
B.    9 + 11/8
C.    9 + 11/16
D.    This cannot be done.

4. Express the decimal value 7 3/8 in binary.

A.    101.11
B.    111.11
C.    111.011
D.    111.001

5. Express the decimal value 0.6250 as binary.

A.    0.1010
B.    0.0110
C.    0.1100
D.    0.1001

6. Express 0.3125 as binary

A.    0.1001
B.    0.1100
C.    0.1011
D.    0.0101

7. Express the binary 1.1001 as a decimal fraction.

A.    1.5625
B.    1.7500
C.    0.6252
D.    1.8750

8. Express the decimal value 0.73 as an approximation in binary

A.    0.11010
B.    0.10111
C.    0.01101
D.    0.10010

9. Express the decimal 0.5940 in a binary approximation.

A.    0.10010
B.    0.10101
C.    0.011111
D.    0.10011

10. Express the decimal 0.34375 in binary

A.    0.01011
B.    0.01101
C.    0.01010
D.    0.11011

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