在32位处理器上,假设栈顶指针寄存器的当前值为0x00FFFFE8,那么在执行完指令 “push eax”(eax为32位寄存器)后,栈指针的当前值为()。
A. 0x00FFFFE4
B. 0x00FFFFE6
C. 0x00FFFFEA
D. 0x00FFFFEC
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虚拟页式存储管理中,CPU须具备必要的物理硬件的支持,而不是必需的单元是()。
A. 缺页中断机构
B. 地址加法器
C. cache
D. 地址寄存器
On any corner, sane men, fanatics and demagogues could secure audiences to listen to their
A. abjured
B. appealed
C. repudiated
D. refuted
In many simple organisms, including bacteria and various protists, the life cycle is completed within a single generation: an organism begins with the fissionof an existing individual; the new organism grows to maturity; and it then splits into two new individuals, thus completing the cycle.
A. split
B. fusion
C. explosion
D. modification
如下图所示,若低位地址(A0~A11)接在内存芯片地址引脚上,高位地址(A12~A19)进行片选译码(其中,A14和A16没有参加译码),且片选信号低电平有效,则对下图所示的译码电路,不属于此译码空间的地址是()。
AB000H~ABFFFH
BB000 H~BBFFFH
C. EF000H~EFFFFH
D. FE000H~FEFFFH