Question: ( C++ ) a. Write a function that returns a decimal number from a binary string. The function header is as follows: int bin2Dec(const string&

( C++ )

a. Write a function that returns a decimal number from a binary string. The function header is as follows: int bin2Dec(const string& binaryString) For example, binaryString 10001 is 17 (1x24 + 0x23 + 0x22 + 0x21 +1x20 =17). So, bin2Dec("10001") returns 17.

b. Write a function that parses a decimal number into a binary number as a string. The function header is as follows: string dec2Bin(int value) For example, dec2Bin (17) returns string 10001.

c. Write a test program that prompts the user to enter a binary or decimal number and display its equivalent value in decimal or binary. (20 marks)

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