A.畫圖B.計(jì)算機(jī)C.截圖工具D.錄音機(jī)
A.格式工廠B.Total Video ConverterC.迅捷視頻轉(zhuǎn)換器D.Camtasia
A.把模擬信號(hào)轉(zhuǎn)換為數(shù)字信號(hào)B.把數(shù)字信號(hào)轉(zhuǎn)換為模擬信號(hào)C.把虛擬信號(hào)轉(zhuǎn)換為數(shù)碼信號(hào)D.把數(shù)碼信號(hào)轉(zhuǎn)換為虛擬信號(hào)