TIME/DIV stands for "Time per Division". When this is set to 1 second, it means that the dot will move from left to right,taking 10 seconds to move across the screen(if there are 10 division horizontally on the screen)
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The Y-POS control allows you to change the vertical scale of the graph drawn on the oscilloscope screen.
A. 对
B. 错
A function generator can generate a 1mV 1kHz pulse waveform.
A. 对
B. 错
买东西时“货比三家”的思维方式属于( )。
A. 类比思维
B. 逆向思维
C. 发散思维
D. 聚合思维
拉链的发明最初运用于鞋带但毫无市场,转向运用于钱包后却销路畅通,这是侧向思维的成功运用。()
A. 对
B. 错