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PC system unit: device and the role of the motherboard
System unit: internal content
The main component of any computer is thePC system unit, since it is in it that all the important elements and nodes are located, due to which the PC is able to fully function. The system unit is a metal box (case), “stuffed” with certain content. In particular, the system contains:
electronic circuits that control the operation of the PC (RAM, or OP, processor, motherboard, device controllers, and so on); Continue reading
Hard Drive Problems: Causes and Solutions
The hard drive is designed for long-term storage of files. Problems with a hard drive can lead not only to unstable computer operation, but also to the loss of important and sometimes irreplaceable information.
One of the causes of a HDD malfunction is natural aging. Like any mechanical device, a hard disk has a certain resource of work. For example, discs manufactured by Seagate can withstand up to 50,000 on and off cycles.
Hard drive failures can occur due to overheating. HDD temperature should not exceed 55 degrees. You can check it using special utilities. For example, the AIDA program. If the temperature of the hard drive is higher, additional cooling must be installed. In this case, keep in mind that low temperature is no less dangerous. It should not be lower than 20 degrees. Continue reading
Basic definitions of the Web. About IP Addresses
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.
IP address
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
