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Home > Take Up Code > 50: Hexadecimal. Easier Than Binary.
Podcast: Take Up Code
Episode:

50: Hexadecimal. Easier Than Binary.
Category: Technology
Duration: 00:11:49
Publish Date: 2016-02-03 23:48:19
Description:

Hexadecimal gives you a better way to represent binary numbers. In one of the very early episodes, I explained how bytes are composed of eight bits. On some platforms, a byte might actually be more than eight bits. The real problem though is even eight bits are hard to read. The zeros and ones blend together. Hexadecimal allows you to work with four bits at a time and is much easier to read.

Here’s table of some common values:

Decimal Binary Hexadecimal
0 
00000000
 
0x00
1 
00000001
 
0x01
2 
00000010
 
0x02
3 
00000011
 
0x03
4 
00000100
 
0x04
5 
00000101
 
0x05
6 
00000110
 
0x06
7 
00000111
 
0x07
8 
00001000
 
0x08
9 
00001001
 
0x09
10 
00001010
 
0x0a
11 
00001011
 
0x0b
12 
00001100
 
0x0c
13 
00001101
 
0x0d
14 
00001110
 
0x0e
15 
00001111
 
0x0f
16 
00010000
 
0x10
32 
00100000
 
0x20
64 
01000000
 
0x40
128 
10000000
 
0x80
255 
11111111
 
0xff
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