Decimal to Binary Conversion and Subnet Masking | University of California, Berkeley - Edubirdie

University:
University of California, Berkeley
Course:
COMPSCI 164 | Programming Languages and Compilers
Academic year:

2023
Views:

457

Pages:

1
Author:

do3ran7ut

You convert a decimal number to a binary number by starting with the left side column. You ask the question, “ is this number greater than or equal to the column heading?. If the answer is no than you put a zero into the column and move to the next number. If the anser is yes then you place a 1 in the column and subtract the value of the column heading from the value that you were given. When you move to the next column(your right) ask the same question and if it is yes then put a 1 in the column and subtract the column header from the new number you have and if it is a no put a zero in the column and continue to the next column. Repeat the steps till you finish. You convert a decimal number into a binary number to a decimal by populating the previously described binary table with the given binary numbers. Then you add up the columns heading values that contain 1. Once you add up the heading values that contain one that will be your decimal number. The default classful mask is often sub-optimal for subnetting because classful masks are not always the most efficient choice. You can add additional bits to a subnet mask. Which then extends the subnet mask to create subnets with a classful network.

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