Each computer has a hard drive or, as it is often called, a hard drive, which is the main place to store all the information used by the computer and its user. The installed operating system, all programs used by the user, and data are stored on the hard disk. The processor takes the information necessary for processing from the hard drive and then writes it back to the media. The amount of information that is stored on a hard disk depends on its size.
The very first models of hard drives allowed storing up to 10 mb of data on their disks, in those days it was a lot. Now modern media can store thousands and tens of thousands of megabytes. The amount of Continue reading
RAM is a random access memory which is in each computer, and is an irreplaceable component. The RAM is fast enough, it exchanges data. RAM is a volatile memory in which, after turning off the PC, the data is erased, because there is no longer a power source needed to store information. RAM is a kind of temporary storage, which constantly receives streams of incoming information, which is processed by the PC processor. A special system bus is used to communicate the processor and other devices with RAM. The memory itself has direct random access. It does not matter where the information is located, the speed of access to it will always be the same. Continue reading
From the point of view of a service engineer, a laptop is a combination of rather complex electronic devices connected with each other. A working laptop is just one condition that constantly strives for a broken one for a number of reasons. It makes sense to describe all these reasons so that the user knows about them in advance, which means that he is on the alert.
I. One of the main causes of a laptop breakdown is overheating. The fact is that all the elements of a laptop work comfortably only in a certain temperature range. During operation, the laptop may become so hot that it will not be able to function at the moment. This can be for a number of reasons: the cooling system Continue reading