The number systems used in computer science. practice converting between number systems and calculate the largest decimal number that can be stored in a particular number of bits or bytes,

1. Convert the following numbers from binary to decimal: 1011

0101 0100

1011 1110

1100 0001

9911 1011

2. Represent the following decimal numbers in binary: put a space between the bits 1111 1111 for readability)

67

97

183

42

101

Please Explain how to do it !!!