Answer:
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Explanation:
The triangle indicates that the clock signal is an edge-triggered signal.
The circle indicates that the signal is low-active (ie., inverted).
The 74LS74 has a positive-edge trigger clock (low to high).
Media queries are used to associate a style sheet or style rule with a specific device or list of device features<span> .This technique is used for delivering a tailored style sheet to different devices and applying </span><span>CSS styles depending on a device's general type, specific characteristics or environment.
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