D. Por el uso de tubos de vacio.
Answer:
public Clock(int hours) {
this.hours = hours;
}
Explanation:
In Java programming language, Constructors are special methods that are called to initialize the variables of a class when a new object of the class is created with the new keyword. Consider the complete code for the class below;
<em>public class Clock {</em>
<em> private int hours;</em>
<em> public Clock(int hours) {</em>
<em> this.hours = hours;</em>
<em> }</em>
<em>}</em>
In this example above, an object of this class can created with this statement Clock myclock = new Clock(6); This is a call to the constructor and passes a parameter (6) for hours
Answer:
Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope in 1590.
Explanation:
A microscope is an instrument that makes an enlarged image of a small object, thus revealing details too small to be seen by the unaided eye. The most familiar kind of microscope is the optical microscope, which uses visible light focused through lenses. Eeuwenhoek observed animal and plant tissue, human sperm and blood cells, minerals, fossils, and many other things that had never been seen before on a microscopic scale. He presented his findings to the Royal Society in London, where Robert Hooke was also making remarkable discoveries with a microscope.
Answer:
Screen flickering is usually caused by an incompatible app or display driver. It could also be caused by a bad HDMI/VGA connection to the monitor.
Hope it helps ! :)
