Correct Answer - Option 2 : 1AF
Concept:
Hexadecimal number: In this, value of the base is 16. Each digit is represented by 4-bit binary no.
Octal number: For octal number, value of base is 8. Each digit of an octal number is represented by 3-bit binary no.
Explanation:
Octal number = 657
Binary representation for this number (each digit of a octal number is converted into 3 binary bits)
So, 657 in binary is equivalent to 110 101 111
Now group this binary number into 4 bits starting from right to left.
i.e. 0001 1010 1111
Hexadecimal representation for this number is : 1AF
