UGC NET CSE | June 2011 | Part 2 | Question: 6

Question

The hexadecimal number equivalent to $(1762.46)_{8}$ is

• A. $3F2.89$
• B. $3F2.98$
• C. $2F3.89$ 
• D. $2F3.98$

Answer 1

(1762.46)₈

=(001 111 110 010 . 100 110)₂

To get Hexa equivalent no. Group 4 bits from left of decimal point and right of decimal point . Here add extra 2 0's @ the right side of decimal point to make it multiple of 4 bit. So finally

=( 0011 1111 0010 . 1001 1000)₂

=(3F2 . 98)₁₆

So option B is Ans