题目内容

TheREGISTER ADDRESSING has very less address space, but it has (is) _________________.

A. very less value range
B. very fast
C. more memory access
D. complex address calculation

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In register indirect addressing, the effective address of operand is stored in____.

A. register
B. main memory
C. instruction
D. PC

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Compared with indirect addressing mode，the advantage of register indirect addressing mode is________.

A. Large address space
B. Multiplememory reference
C. Limit address space
D. Less memory access

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Inbase-register addressing mode, the address of operand is equal to__________.

A. The content of base-register plus displacement
B. The content of index-register plus displacement
C. The content of program counter plus displacement
D. The content of AC plus displacement

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The address of the top of stack is stored in _________________.

A. PC
B. Accumulator
C. SP
D. Base Register

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TheREGISTER ADDRESSING has very less address space, but it has (is) _________________.

A. very less value range B. very fast C. more memory access D. complex address calculation

In register indirect addressing, the effective address of operand is stored in____.

Compared with indirect addressing mode，the advantage of register indirect addressing mode is________.

Inbase-register addressing mode, the address of operand is equal to__________.

The address of the top of stack is stored in _________________.

A. very less value range
B. very fast
C. more memory access
D. complex address calculation