World of Computer Networking Your CCNA start - Converting Binary to Decimal

The video tutorial explains how to convert binary numbers to decimal and vice versa, focusing on 8-bit binary numbers as used in IPv4 addresses. It provides examples and a detailed explanation of the conversion process using powers of two. The tutorial also encourages viewers to practice conversions and hints at the next lecture on converting decimal numbers to binary.

What is the primary focus of converting binary numbers in the context of IP version four addresses?

• Converting 16-bit binary numbers

• Converting 32-bit binary numbers

• Converting 4-bit binary numbers

• Converting 8-bit binary numbers

How many symbols are available in the binary number system?

• Two symbols

• Four symbols

• Eight symbols

• Ten symbols

What is the decimal equivalent of the binary number 11111111?

• 512

• 64

• 255

• 128

In the binary number 10101001, which powers of two are summed to get the decimal value?

• 2^5, 2^4, 2^2, 2^0

• 2^7, 2^6, 2^4, 2^1

• 2^6, 2^4, 2^2, 2^1

• 2^7, 2^5, 2^3, 2^0

What is the decimal value of the binary number 10101001?

• 128

• 255

• 169

• 64