[問題] 98計概 Q26.Q27
這兩題雖然考古題都有類似題型
但轉了一下我還是答不出來@@ 希望各位高手幫忙解惑了
26. 設計計算機浮點數的位元格式如右圖所示:
11 10 6 5 0
|-S-|--C-|----M------|
其中S=0為正,S=1為負,C=Exponent+16,
小數點在尾數最左端,且小數點右邊第一位(bit)恆不為0,指數的範圍為何?
A -16 ~ 16 B -15 ~ 16 C -16 ~ 15 D -15 ~ 15
ANS:C
27. 假設有五個程序P1,P2,P3,P4,P5的優先權及所需計算時間(秒)如右表:
作業系統(單CPU)使用優先權排程演算法,試問這五個程序的平均等待時間(秒)?
A 3.4 B 4.5 C 5.6 D 6.7
程序名稱 優先權 所需計算時間
ANC:C P1 3 5
P2 1 1
P3 4 2
這題我數線畫出來答案還是錯 囧 P4 5 5
P5 2 4
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01/31 21:43, , 1F
01/31 21:43, 1F
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01/31 21:45, , 2F
01/31 21:45, 2F
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01/31 21:45, , 3F
01/31 21:45, 3F
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01/31 21:47, , 4F
01/31 21:47, 4F
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01/31 21:51, , 5F
01/31 21:51, 5F
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01/31 21:57, , 6F
01/31 21:57, 6F
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01/31 22:01, , 7F
01/31 22:01, 7F
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01/31 22:06, , 8F
01/31 22:06, 8F
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01/31 22:07, , 9F
01/31 22:07, 9F
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01/31 22:10, , 10F
01/31 22:10, 10F
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01/31 22:10, , 11F
01/31 22:10, 11F
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01/31 22:10, , 12F
01/31 22:10, 12F
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01/31 22:11, , 13F
01/31 22:11, 13F
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01/31 22:11, , 14F
01/31 22:11, 14F
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01/31 22:11, , 15F
01/31 22:11, 15F
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01/31 22:12, , 16F
01/31 22:12, 16F
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01/31 22:13, , 17F
01/31 22:13, 17F
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01/31 22:13, , 18F
01/31 22:13, 18F
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01/31 22:14, , 19F
01/31 22:14, 19F
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01/31 22:15, , 20F
01/31 22:15, 20F
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01/31 22:15, , 21F
01/31 22:15, 21F
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01/31 22:16, , 22F
01/31 22:16, 22F
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01/31 22:16, , 23F
01/31 22:16, 23F
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01/31 22:17, , 24F
01/31 22:17, 24F
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01/31 22:19, , 25F
01/31 22:19, 25F
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01/31 22:22, , 26F
01/31 22:22, 26F
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01/31 22:24, , 27F
01/31 22:24, 27F
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01/31 22:26, , 28F
01/31 22:26, 28F
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01/31 22:29, , 29F
01/31 22:29, 29F
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01/31 22:32, , 30F
01/31 22:32, 30F
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01/31 22:32, , 31F
01/31 22:32, 31F
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01/31 22:33, , 32F
01/31 22:33, 32F
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01/31 22:34, , 33F
01/31 22:34, 33F
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01/31 22:34, , 34F
01/31 22:34, 34F
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01/31 22:39, , 35F
01/31 22:39, 35F
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01/31 22:41, , 36F
01/31 22:41, 36F
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01/31 22:48, , 37F
01/31 22:48, 37F
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02/01 00:28, , 38F
02/01 00:28, 38F
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02/01 03:33, , 39F
02/01 03:33, 39F
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07/06 09:12, , 40F
07/06 09:12, 40F
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