Megabytes and Kilobytes


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1 kilobyte = 210 bytes = 1024 bytes
1 megabyte = 220 bytes = 1,048,576 bytes
1 gigabyte = 230 bytes = 1 billion bytes
1 terabyte = 240 bytes = 1 trillion bytes
1 byte = 8 bits which means binary digit.

8 bit computers  move data in 1 byte pieces known as chunks      
16 bit computers move data in 2 byte chunks
32 bit computers move data in 4 byte chunks

The value of n to the power of 2 and its Hexadecimal equivalent

n 2n  Hexadecimal equivalent
0 1 1
1 2 2
2 4 4
3 8 8
4 16 10
5 32 20
6 64 40
7 128 80
8 256 100
9 512 200
10 1024 400
11 2048 800
12 4096 1000
13 8192 2000
14 16384 4000
15 32768 8000
16 65536 10000
17 131072 20000
18 262144 40000
19 524288 80000
20 1048576 100000
21 2097152 200000
22 4194304 400000
23 8388608 800000
24 16777216 1000000
25 33554432 2000000
26 67108864 4000000
27 134217728 8000000
28 268435456 10000000
29 536870912 20000000
30 1073741824 40000000
31 2147483648 80000000
32 4294967296 100000000
33 8589934592 200000000
34 17179869184 400000000
35 34359738368 800000000
36 68719476736 1000000000
37 137438953472 2000000000

etc...