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搜题
更多“同功器官（analogous organ ）”相关的问题
第4题
A、the two steps of digital to analog conversion are decompression and reconstruction of the analog signal B、the two steps of digital to analog conversion are decoding and filtering C、the two steps of digital to analog conversion are decompression and filtering of the analog signal D、the two steps of digital to analog conversion are quantization and decoding
第5题
A、ISDN connection B、Analog telephone line C、Ethernet internet connection D、Both an analog telephone line and an ethernet connection
第6题
A、analog trunks that provide the Survivable Remote Site Telephony (SRST) feature B、analog trunks that provide VoIP gateway functionality C、analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems D、analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)
第7题
A、The three required steps in the analog to digital conversion are sampling，encoding，and compression. B、The three required steps in the analog to digital conversion are sampling，quantization，and compression. C、The three required steps in the analog to digital conversion are sampling，quantization，and encoding. D、The output of the sampling process is a pulse code modulation （PCM） signal. E、The output of the sampling process is a pulse amplitude modulation （PAM） signal.
第8题
A、 The three required steps in the analog to digital conversion are sampling， encoding， and compression. B、 The three required steps in the analog to digital conversion are sampling， quantization， and compression. C、 The three required steps in the analog to digital conversion are sampling， quantization， and encoding. D、 The output of the sampling process is a pulse code modulation （PCM） signal. E、 The output of the sampling process is a pulse amplitude modulation （PAM） signal.
