【单选题】How the sound be recorded in the computer?
A.
Sound waves are picked up by a microphone and converted to a small analog voltage, This voltage is applied to digital-to-analog converter (DAC).
B.
Sound waves are picked up by a microphone and converted to a small analog voltage, This voltage is applied to analog-to-digital converter (ADC).
【单选题】一束白光垂直照射在一光栅上,在形成的同一级光栅光谱中,偏离中央明纹最近的是
【单选题】How is the sound ______ in the computer?
【判断题】进出口许可证联网申领节省了进出口企业时间,提高其工作效率和降低费用,也杜绝了假伪证问题,提高了社会和经济效益。
【单选题】一束白光垂直照射在一光栅上,在形成的同一级光栅光谱中,偏离中央明纹最大的是______.
【单选题】一束白光垂直照射在一光栅上,在形成的同一级光栅光谱中,离中央明纹最近的是
【单选题】一束白光垂直照射在一光栅上,在形成的同一级光栅光谱中,偏离中央明纹最远的是
【简答题】How is the sound (record) in the computer?
【判断题】进出口许可证联网申领节省了进出口企业时间,提高其工作效率和降低费用,也杜绝了假伪证问题,提高了社会和经济效