The8-bit twos complement 1001 0011 is stored in16-bit.It’s equal to____.
A. 1000 0000 1001 0011
B. 0000 0000 1001 0011
C. 1111 1111 1001 0011
D. 1111 1111 0110 1101
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In twos complement, overflow may occur when ______.
A. two numbers with the same signadd
B. two numbers with the different sign subtract
C. AandB
D. multiply
Control unit use some input signals to produce control signals that open the gates of information paths and let the micro-operations implement. Which is NOT the input signals of control unit?
A. clock and flags
B. instruction register
C. interrupt request signal
D. memory read or write
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____.
A. register
B. main memory
C. instruction
D. PC