The principle of data transmission but digital communication channels will be considered using the example of the PCM-30 system. The transmission medium in PCM systems is a digital linear path (LT)), the structure of which is shown in Fig. 3.49. It includes transmitting and receiving terminal equipment
The school curriculum necessarily has a theme: "Types of speech: description, narration, reasoning." But after a while, knowledge tends to be erased from memory, so it would be useful to fix this important question. What are types of speech? What functions do they perform
The space around us is filled with different physical bodies, which consist of different substances with different masses. School courses in chemistry and physics, introducing the concept and method of finding the mass of a substance, were listened to and safely forgotten by everyone who
Let's talk about what such a quantity of substance as this term is used in the subjects of the natural science cycle. Since serious attention is paid to quantitative relations in chemistry and physics, it is important to know the physical meaning of all quantities, their units of measure.
The years 1945-1948 became a thorough preparation, which led to the split of Germany and the appearance on the map of Europe of two countries formed instead of it - the FRG and the GDR. The decoding of the names of states is interesting in itself and serves as a good illustration of their differences.
South America is a region according to our classification and a continent geographically. Located in the southern hemisphere. South America is washed by the Pacific Ocean in the west and in the east by the Atlantic. In the north it borders on the Caribbean Sea, and in the south
Distribution of inland waters. Eurasia is rich in inland waters. Many of the world's major rivers flow through it. The lakes of Eurasia stand out for their size and depth. Since the relief and climate of different parts of Eurasia are not the same, then the rivers and lakes
General information Like any other living organism, plants have a cellular structure, although they do not contain intercellular substance. The difference between their cells from others lies in a narrow specialization, which leads to a decrease in the ability to divide. In biology, I distinguish
Education What is the difference between fiction and science? Examples March 12, 2017 Literature is an indispensable part of the culture of every country. Without it, it would be impossible to exchange information, learn the latest news or study science. In everything with
The main types of speech are description, narration and reasoning. Description is a type of speech, with the help of which any phenomenon of reality is depicted by listing its constant or simultaneously present signs or de