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Computer Systems A Programmer's Perspective Second Edition The main memory of a computer system is organized as an array of M contiguousbyte-sized cel 阅读全文
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Computer Systems A Programmer's Perspective Second Edition Exception number Description Exception class0 Divide error Fault13 General protection fault 阅读全文
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https://en.wikipedia.org/wiki/General_protection_fault In memory errors, the faulting program accesses memory that it should not access. Examples incl 阅读全文
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https://dev.mysql.com/doc/refman/5.7/en/bit-type.html MySQL 5.7 Reference Manual / ... / Bit-Value Type - BIT 12.2.4 Bit-Value Type - BIT The BIT data 阅读全文
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Computer Systems A Programmer's Perspective Second Edition This is a good place to pause and make sure you understand the distinction between a progra 阅读全文
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在传统的多道程序环境下，要使作业运行，必须为它创建一个或几个进程，并为之分配必要的资源。当进程运行结束时，立即撤销该进程，以便能及时回收该进程所占用的各类资源。进程控制的主要功能是为作业创建进程，撤销已经结束的进程，以及控制进程在运行过程中的状态转换。在现代os中，进程控制还具有为为一个进程创建若干 阅读全文