單項(xiàng)選擇題設(shè)X=+1111010B,則[X]=()

A.01111010
B.11111010
C.+1111010
D.-1111010


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1.單項(xiàng)選擇題寫(xiě)出機(jī)器數(shù)11011001B所對(duì)應(yīng)的真值()

A.-1011001B
B.+1011011B
C.11011011B
D.01011011B

2.單項(xiàng)選擇題寫(xiě)出真值+1011001B所對(duì)應(yīng)的機(jī)器數(shù)()

A.1011011B
B.01011001B
C.11011011B
D.+1011011B

3.單項(xiàng)選擇題十進(jìn)制數(shù)99的BCD碼是()

A.01100110
B.00010001
C.10011001
D.10001000

4.單項(xiàng)選擇題世界上第一片微處理器的生產(chǎn)廠(chǎng)家是()

A.Intel
B.Zilog
C.Motorola
D.IBM

6.單項(xiàng)選擇題SRAM相對(duì)于DRAM的優(yōu)點(diǎn)之一是()

A.安全
B.可靠
C.存取容量大
D.存取速度快