單項選擇題存儲器按性能分為RAM和()

A.iRAM
B.DRAM
C.ROM
D.EPROM


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1.單項選擇題已知[X]=10100110,其[X]補(bǔ)=()

A.10100110
B.01001001
C.11011010
D.00100101

2.單項選擇題已知X=+0110100B,則[X]=()

A.00110100
B.10110100
C.01001011
D.11001011

3.單項選擇題寫出機(jī)器數(shù)11011010B所對應(yīng)的真值()

A.-1011010B
B.+1011011B
C.11011011B
D.01011011B

4.單項選擇題寫出真值+1011010B所對應(yīng)的機(jī)器數(shù)()

A.1011011B
B.01011010B
C.11011011B
D.+1011011B

5.單項選擇題十進(jìn)制數(shù)11的BCD碼是()

A.0110 0110
B.0001 0001
C.1001 1001
D.1000 1000