The acquisition of a computer, laptop or other gadget is a responsible undertaking. Even in the new technology, there may be obvious and hidden defects. Dead (or dead) pixels – a common malfunction that violates the integrity of the image on the display. If a single cell does not work, then the change in image quality with the naked eye, as a rule, is not recorded. But if a group of pixels is damaged, then the perception of the picture is impaired.
Defective pixels form a black, white or color dot, which distracts when working on a PC and interferes with video viewing. The cause of the defect is a malfunction of the matrix elements. In this regard, each potential buyer of an electronic device needs to know how to check the monitor for dead pixels. Continue reading
For Internet technologies, there are basic concepts, without knowledge of which the understanding of the principles and methods of its functioning will be quite superficial. Those who want to understand in detail and deeply on the basis of what the World Wide Web functions on should understand the terminology and know the basic definitions of the Network regarding its operation.
Each PC connected to the Network has its own unique personal address, by which all devices identify each other. There should not be two addresses with the same value on the Internet. The format for writing the address is reduced to a single standard defined by the IP protocol. Recording is done on a 32-bit system. Each of the four groups is determined Continue reading