World of Computer Networking Your CCNA start - Hexadecimal versus Binary Numbers

The video tutorial explains the differences between binary and hexadecimal characters, highlighting that binary uses two characters (0 and 1), while hexadecimal uses 16 characters (0-9 and A-F). Each hexadecimal character can be represented by four binary bits. The tutorial provides examples of converting hexadecimal to binary and discusses the advantage of using hexadecimal for shorter representation. It concludes with a brief mention of MAC addresses, which consist of 48 bits and are divided into two parts.

What is the main difference between binary and hexadecimal systems?

• Binary uses 16 characters, while hexadecimal uses 2.

• Hexadecimal uses only numbers, while binary uses letters.

• Binary uses 2 characters, while hexadecimal uses 16.

• Both systems use the same number of characters.

How many bits are used to represent a single hexadecimal character in binary?

• 5 bits

• 4 bits

• 3 bits

• 2 bits

Why is hexadecimal representation preferred over binary for long numbers?

• It is more accurate.

• It is shorter and more manageable.

• It uses fewer characters.

• It is easier to convert to decimal.

What is the binary representation of the hexadecimal character 'B'?

• 1010

• 1011

• 1100

• 1110

How many bits does a MAC address contain?

• 48 bits

• 128 bits

• 32 bits

• 64 bits