單項(xiàng)選擇題設(shè)X=+1111010B,則[X]原=()
A.01111010
B.11111010
C.+1111010
D.-1111010
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1.單項(xiàng)選擇題寫出機(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)廠家是()
A.Intel
B.Zilog
C.Motorola
D.IBM
5.單項(xiàng)選擇題根據(jù)ISO/IEC7498標(biāo)準(zhǔn),網(wǎng)絡(luò)層次公分7層,其中會(huì)話層是第()層
A.4
B.5
C.6
D.7