[ vuZs.net ] IT430 Assignment Guide

Question 1:      (6+4)

 

a) Convert the following IP addresses to binary and vice versa.

 

Solution:

i)

192.168.1.10

10.50.0.20

140.128.1.4

Decimal to Binary:

 

Division	Remainder
192/2
96/2	0
48/2	0
24/2	0
12/2	0
6/2	0
3/2	0
½	1
0/2	1

 

 

  11000000

=2^0×0+2^1×0+2^2×0+2^3×0+2^4×0+2^5×0+2^6×1+2^7×1

=0+0+0+0+0+0+64+128

=192

Follow same procedure for rest of the figures.

Binary to decimal:

10011011.10101011.00110101.11100101

 

 

   10011011

=2^0×1+2^1×1+2^2×0+2^3×1+2^4×1+2^5×0+2^6×0+2^7×1

=1+1+0+8+16+0+0+128

=52

(start multiplying from right to left) 

Follow same procedure for rest of the binary sets.

--
Regards, 

Misbah Yousuf

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