LEC07: Binary Number System & IPv4 Addresses

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Questions and Answers

What is the basic component of a binary numbering system?

  • Bits, represented by 1s and 0s (correct)
  • Special characters
  • Alphabets A to Z
  • Digits 0 through 9

What is the total number of bits in an IPv4 address?

  • 24
  • 16
  • 40
  • 32 (correct)

How many bits are there in each octet of an IPv4 address?

  • 8 (correct)
  • 16
  • 4
  • 32

What is the purpose of dotted decimal notation?

<p>To make it easier for people to read and understand (A)</p> Signup and view all the answers

What does the position of a digit in a number determine in positional notation?

<p>The value represented by the digit depending on its position (A)</p> Signup and view all the answers

What is the radix of the decimal system?

<p>10 (D)</p> Signup and view all the answers

What is the value of the digit 4 in the decimal number 1234?

<p>4 (A)</p> Signup and view all the answers

What is the result of the calculation 1 x 1000 + 2 x 100 + 3 x 10 + 4 x 1?

<p>1234 (A)</p> Signup and view all the answers

What is the positional value of the 2nd position in a binary number?

<p>16 (A)</p> Signup and view all the answers

What is the decimal value of the binary number 11000000?

<p>192 (B)</p> Signup and view all the answers

What is the first step in converting a dotted decimal IPv4 address to binary?

<p>Start in the 128 position and move to the 64 position. (C)</p> Signup and view all the answers

What is the binary representation of the decimal number 192 in the 128 position?

<p>1 (A)</p> Signup and view all the answers

What is the purpose of the binary positional value table?

<p>To convert decimal to binary (D)</p> Signup and view all the answers

What is the result of adding 1x128 + 1x64 + 0x32 + 0x16 + 0x8 + 0x4 + 0x2 + 0x1?

<p>192 (C)</p> Signup and view all the answers

How do you determine the binary representation of a decimal number in a specific position?

<p>If the decimal number is equal to or greater than the positional value, record a binary 1. (C)</p> Signup and view all the answers

What is the result of converting the binary number 10101000 to decimal?

<p>168 (B)</p> Signup and view all the answers

What happens when you record a binary 1 in the 128 positional value during decimal to binary conversion?

<p>Subtract 128 from the decimal number (D)</p> Signup and view all the answers

What is the primary reason why computers and routers only understand binary?

<p>Binary is the most efficient numbering system for computer processing (C)</p> Signup and view all the answers

What is the total number of hexadecimal values in an IPv6 address?

<p>32 (C)</p> Signup and view all the answers

What is the purpose of understanding hexadecimal in the context of IPv6 addresses?

<p>To convert hexadecimal to decimal and vice versa for IPv6 address representation (B)</p> Signup and view all the answers

What is the term for each group of four hexadecimal characters in an IPv6 address?

<p>Hextet (D)</p> Signup and view all the answers

What is the length of an IPv6 address in bits?

<p>128 bits (A)</p> Signup and view all the answers

What is the first step in converting a decimal number to a hexadecimal value?

<p>Convert the decimal number to an 8-bit binary string (D)</p> Signup and view all the answers

What is the advantage of using hexadecimal to represent a value?

<p>It is easier to express a value as a single hexadecimal digit (A)</p> Signup and view all the answers

What happens when the decimal number is equal to the positional value during decimal to binary conversion?

<p>Enter 1 in the positional value and subtract the positional value from the decimal number (C)</p> Signup and view all the answers

What is the result of converting 168 from decimal to hexadecimal using the three-step process?

<p>A8 (C)</p> Signup and view all the answers

What is the first step in converting a hexadecimal number to a decimal value?

<p>Convert the hexadecimal number to a 4-bit binary string (D)</p> Signup and view all the answers

What is the base of the hexadecimal numbering system?

<p>Base 16 (D)</p> Signup and view all the answers

What is the primary reason why humans work in decimal while computers and routers work in binary?

<p>Decimal is a more intuitive numbering system for humans (B)</p> Signup and view all the answers

What is the result of converting D2 from hexadecimal to decimal using the three-step process?

<p>210 (B)</p> Signup and view all the answers

How many bits are represented by a single hexadecimal digit?

<p>4 (A)</p> Signup and view all the answers

What is the purpose of dividing the binary strings into groups of four when converting a decimal number to a hexadecimal value?

<p>To ensure the correct hexadecimal value is obtained (D)</p> Signup and view all the answers

What is the preferred method of writing out an IPv6 address?

<p>Dividing the address into groups of four hexadecimal digits (B)</p> Signup and view all the answers

What is the benefit of using hexadecimal numbers in computer systems?

<p>It is easier to read and understand than binary numbers (A)</p> Signup and view all the answers

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Lec07_Number Systems.pptx

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