In: Computer Science
Convert 103.375 into double precision floating format
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Converting 103.375 to binary Convert decimal part first, then the fractional part > First convert 103 to binary Divide 103 successively by 2 until the quotient is 0 > 103/2 = 51, remainder is 1 > 51/2 = 25, remainder is 1 > 25/2 = 12, remainder is 1 > 12/2 = 6, remainder is 0 > 6/2 = 3, remainder is 0 > 3/2 = 1, remainder is 1 > 1/2 = 0, remainder is 1 Read remainders from the bottom to top as 1100111 So, 103 of decimal is 1100111 in binary > Now, Convert 0.37500000 to binary > Multiply 0.37500000 with 2. Since 0.75000000 is < 1. then add 0 to result > Multiply 0.75000000 with 2. Since 1.50000000 is >= 1. then add 1 to result > Multiply 0.50000000 with 2. Since 1.00000000 is >= 1. then add 1 to result > This is equal to 1, so, stop calculating 0.375 of decimal is .011 in binary so, 103.375 in binary is 1100111.011 103.375 in simple binary => 1100111.011 so, 103.375 in normal binary is 1100111.011 => 1.100111011 * 2^6 single precision: -------------------- sign bit is 0(+ve) exp bits are (1023+6=1029) => 10000000101 Divide 1029 successively by 2 until the quotient is 0 > 1029/2 = 514, remainder is 1 > 514/2 = 257, remainder is 0 > 257/2 = 128, remainder is 1 > 128/2 = 64, remainder is 0 > 64/2 = 32, remainder is 0 > 32/2 = 16, remainder is 0 > 16/2 = 8, remainder is 0 > 8/2 = 4, remainder is 0 > 4/2 = 2, remainder is 0 > 2/2 = 1, remainder is 0 > 1/2 = 0, remainder is 1 Read remainders from the bottom to top as 10000000101 So, 1029 of decimal is 10000000101 in binary frac bits are 1001110110000000000000000000000000000000000000000000 so, 103.375 in single-precision format is 0 10000000101 1001110110000000000000000000000000000000000000000000 in hexadecimal it is 0x4059D80000000000