Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Transcribed Image Text:This exercise is to write a Decimal to Hex function using BYTE operations. See the Bitstreams.pdf on Canvas for a Bit/Byte Operation review. You can use a
List, Dictionary or Tuple for your Hex_Map as shown below, but it's not necessary to use one. It is necessary to use Byte operations to convert the decimal to
hex. The bitwise operations are also available as __dunders___.
In question #6, I asked you to write a decimal to hex function:
Write a function to convert a integer to hexidecimal. Do not use the Python hex function (i.e. hexnumber = hex(number)) to convert the number, instead write
your own unique version (i.e. MYHEX: hexnumber = MYHEX(number)). Your function should not use any Python functions like hex, dec, oct, bin or any other
Python functions or modules. Functions, like Python ORD, can be used to convert a string to a integer. The input number range is 0 to 1024.
Most students submitted versions using this algorithm and the primary algorithm calculates list[index] using the // and % operators.
def integerToHexa (integer):
hexaDict = {'10': 'A', '11': 'B', '12': 'C', '13': 'D', '14': 'E', '15': 'D'}
hexaList = []
while True:
integer1 = integer
integer = integer // 16
remainder = integer1 % 16
if integer <= 0:
hexaList.append(remainder)
break
hexaList.append(remainder)
hexaList.reverse()
for i in hexaList:
if i > 9:
index = hexalist.index(i)
hexaList[index] = str(hexaDict[f'{i}'])
hexa = **.join(map(str, (hexaList)))
print(f'0x{hexa}')
The identifying feature of this algorithm is to use the 'integer' and 'integer1' variables as Indices into a list or map.
This exercise is to write a Decimal to Hex function using BYTE operations. See the Bitstreams.pdf on Canvas for a Bit/Byte Operation review. You can use a
List, Dictionary or Tuple for your Hex_Map as shown above, but it's not necessary to use one. It is necessary to use Byte operations to convert the decimal to
hex.
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