Memory (RAM)

RAM – volatile part of computer memory that stores in all the temporary files and computer commands and thereby allowing the process to carry out the task given to him. The more this characteristic, the faster the computer. In itself, however memory can not exist, so its function performs a special technical device called random access memory, RAM abbreviated. It has a certain volume, this volume is greater than the better. After all, if you do not pay proper attention to this characteristic, the solution during computer -intensive programs, RAM may not be enough, and he will have to use part of the hard disk (swap file), it is very difficult for the system.

GOODRAM SDR 512MB 133MHz

GOODRAM SDR 512MB 133MHz

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History of hard disk drives

September 4, 1959 the world was introduced by IBM 350 Disk Storage Unit – the first hard drive. It was an incredibly expensive machine, similar to the cabinet height 1.7 m, width 1.5 m, 0.74 m thick, which weighed about 1 ton. On its spindle has 50 disks (one disk size – 61 cm) coated with a special paint and containing a ferromagnetic material. Disk rotation speed was 1200 rpm, and the amount of stored information – 4.4 MB.

IBM 350 Disk Storage Unit

IBM 350 Disk Storage Unit

In 1979, one of the developers of IBM created his company Seagate Technology, and from that moment began the history of hard drives as a mass product. The company took the issue of hard drives, which first volume was 5 MB, 10 MB and then.

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