Math

Binary conversion
1. 1011 in base 16= B in base 10= 11
10101 = 15 and = 21
10010110 = 96 and = 150
1111111 = 7F and = 127
Decimal conversion
2. 8 in base 2= 1000 in base 16= 8
63= 111111 and = 3f
113= 1110001 and = 71
97= 1100001 and = 61

3.
A 200 MB file downloaded at 56 kilobytes/sec would download in about 61 minutes
A DSL connection dl'ing at 5 MB/sec would take 40 seconds
A Highspeed connection at 10 MB/sec would take 20 seconds

4.
A MP3 @ 60 MB @ 3MB/sec
You could download about 180 MP3s in an hour
and 129,600 MP3s a month