[理工] [計組]-浮點數

看板Grad-ProbAsk作者gn00618777 (123)時間14年前 (2009/10/06 16:30)推噓1(1推 0噓 2→)

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95政大資科 Consider a shorten version of the IEEE standard floating with only 12 bits: one sign bit,5 bits for exponent,and 6bits for the significand (1) Represent 1.5 and -0.75 with this format (2) What is the rang of numbers it could represent ?(excluding denormalized numbers.) (1) Excess-15 1.5= 1.1*2^0 -0.75= -1.1*2^-1 EXP=0+15=15 EXP=15+(-1)=14 0 011111 100000 1 01110 100000 (2) 最大正數: 0 11110 111111 最小正數: 0 00001 000000 最大負數: 1 00001 000000 最小負數: 1 11110 111111 手邊沒解答，我也不知道對不對，能否大大幫忙？ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.138.100.194

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gn00618777

10/06 19:10, , 1^F

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gn00618777

10/07 11:06, , 2^F

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svanavs

10/07 22:30, , 3^F

10/07 22:30, 3^F