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2 parents c5596f1 + 2c9be89 commit 5039322Copy full SHA for 5039322
notes/临时笔记.计算机.网路.md
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+---
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+id: v4rukfft5azzzm4tuuq0luz
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+title: 网路
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+desc: ''
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+updated: 1724597743025
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+created: 1724595869092
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+### 2024-08-25 22:24:32
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+
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+#### IP(Internet Protocol)
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+1. ipv4
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+ 1. 32位,4 * 8
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+ 2. 主机部位(与子网掩码AND位操 -> 网络,主机部位),全为0是网络地址,全为1是广播地址,1-254(十进制)为主机地址
notes/临时笔记.计算机.进制.md
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+id: d5bnv0lte7xttl2o2o3l9a8
+title: 进制
+updated: 1724594915389
+created: 1724593925333
+### 2024-08-25 21:52:31
+#### 二进制
+1. 正数
+ 1. 反码和原码相同
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+ 2. 补码和原码相同
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+2. 负数
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+ 1. 各位数取反,排除符号位
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+ 2. 各位数取反(排除符号位),末尾加1
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+3. XOR 输入不同为1,反之为0
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