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【单选题】
设置背景图像,使用( )命令。A.
background-repeat
B.
background-color
C.
background-size
D.
background-image
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举一反三
【单选题】The primary purpose of ______ is to map the binary information sequence into signal waveforms.
A.
source encoder
B.
channel encoder
C.
digital modulator
D.
digital demodulator
【单选题】Binary information received from an input device is stored in ( )
A.
adders
B.
memory
C.
encoders
D.
decoders
【简答题】群体检查一般采用静态检查、动态检查和____检查。
【单选题】A unit is a device to which binary information is transferred for storage and from which information is retrieved when needed for processing, the unit is a ( ).
A.
BUS
B.
IO port
C.
memory
D.
decoder
【判断题】The binary code for SOS is information and the word "HELP!!!" is knowledge.
A.
正确
B.
错误
【单选题】Which unit is a collection of cells capable of storing a large quantity of binary information.
A.
adders
B.
encoders
C.
decoders
D.
memory
【单选题】The primary purpose of ______ is to map the binary information sequence into signal waveforms.
A.
source encode
B.
channel encoder
C.
digital modulator
D.
digital demodulator
【简答题】binary fission
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