CHAPTER FIVE

NUMBER BASES

Example 1- Convert Binary 010100111011 to decimal

To convert binary to octal employ the following strategies:

Step 1

Split the binary into groups of three as shown below

          010 - 100 - 111 - 011

Step 2

Look up for the corresponding values from the Octal table. The corresponding values are as follows:

2 473

The Octal equivalent of Binary 010100111011  is 2473.                    

5.1.4. HEXADECIMAL

Hexadecimal digits composed of eight figures and the first eight alphabets. It is therefore in base sixteen (16). Computers find it easier to use the single hexadecimal digit rather than 4 binary digits.
For example, the binary number "100110110100" is "9B4" in hexadecimal.
The table below shows conversion of binary numbers to hexadecimal numbers.


Page 40 Page 41 Page 42

Copyright@2015. Digital Vision Digital Content Development Unit. www.digitalvision.net.ng