logo - 刷刷题
下载APP
【简答题】

试画出数字电视机顶盒框图,解释各部分的作用,并说明为什么高频通道未数字化。

参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】数字电视机顶盒输出的信号是()。

A.
射频信号
B.
视频信号和音频信号
C.
中频信号
D.
数据信号

【单选题】The Future of the BBC As a boy growing up in the 1930s in the Midlands, Norman Painting, the son of a railway-man, listened to a new radio service from the British Broadcasting Corporation. His mother...

A.
the BBC’s educative role for the working class
B.
the popularity of the BBC in the 1930s
C.
BBC’s influence on ordinary people’s career development
D.
the British’s love for the BBC and its justification for governmental support

【多选题】网络电视机顶盒的主要功能有

A.
电视直播
B.
网络视频点播
C.
本地视频播放