A.-20
B.-21
C.-22
D.-25
[单选题]若已知[X]补=11101011,[y]补=01001010,则[x-y]补=( )。A.10100000B.10100001C.11011111D.溢出
[单选题]若已知[x]补=11101011,[y]补=0100l010,则[X-Y]补=( )。A.10100000B.10100001C.11011111D.溢出
[单选题][X]原=01101001,[Y]补=11011010,则[X-Y))补=______。A.10001111B.00001110C.10001110D.溢出
[单选题]已知[X]补=11111010,[Y]补=00010110,计算[2X-]补为( )A.10010111B.11101001C.01111111D.01101001
[单选题]用n个二进制位表示带符号纯整数时,已知[x]补、[Y]补,则当(7)时,等式[X]补+[Y]补=[X+Y]补成立。在(8)的情况下有可能发生溢出。A.-2n≤X+Y≤2n-1B.-2n-1≤X+Y<2n-1C.-2n-1-1≤X+Y≤2n-1D.-2n-1≤X+Y<2n
[单选题]已知x,z为带符号纯整数,y为带符号纯小数,而且[X]原=[Y]补=[Z]移=11111101,求出x、y、z的十进制真值:X=(98),Y=(99),Z=(100)。A.-127B.125C.-125D.1
[单选题]若X=-127,Y=-1,字长N=8,则[X+Y]补是A.80HB.00HC.0FDHD.7EH
[单选题]对于8位二进制整数,[x]原=[Y]补=10110011,则X、Y对应的十进制数分别为______。A.51,77B.51,-77C.77,-51D.51,-77
[填空题] 设字长为八位,有x=-1,y=124,则有:[x+y]补=(),[x-y]补=()。
[单选题]设[X]补=1111111111100001,[Y]补=1111111111111000,则[X-Y]补的结果是( )A.1111111111101001B.0000000000111100C.1111111111111000D.0000000000111101