1- Convert the following decimal Numbers into Hexadecimal , Binary and Octal System:

1. (123)10, (79)10, (656)10, (454)10, (101)10

2- Convert the following Binary Numbers into decimal , Octal and Hexadecimal Numbers:

1. 1010101001001

2.1010101010101

3.100000011001

4.1010101010101

5.111111110000

3- Find the 1'S and 2's complement:

1.101010100101

2.101010101010

3.111000110010

4.111111111111

5- Convert the following decimal into binary:

1. 625.125

2.45.605

6- Convert the following binary number into decimal:

1. 10101.101

2.1010.001