In computing and network field, we should know at least four types of numeral systems. A numeral or number system is a way to represent numbers. We use the base-10 system, or decimal on a daily basis. Other three common numeral systems include base-2 binary, base-16 hex, or hexadecimal, and base-8 octal, or oct.
Today my topic is conversion of hexadecimal and binary.
This tutorial will demonstrate how to convert binary to hex and from hex to binary.

From binary to hex: Practice and answers:
Question 1: Convert 10010001 to hex. Solution: 91
Question 2: Convert 101010 to hex: solution: 2A
Question 3: Convert 100110101 to hex: solution: 135
Question 4: Convert 1010101001 to hex: solution: 2A9
Question 5: Convert 1100111 to hex: solution: 67

From hex to binary: practice and answers:
Practice 1: convert hex 2001 into binary: solution: 0010 0000 0000 0001
Practice 2: convert hex 1E3 into binary: solution: 0001 1110 0011
Practice 3: convert hex 1234 to binary: solution is 0001 0010 0011 0100

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