History of RAM

Memory (RAM) – a device that is a critical component in the computer and that it determines the speed of the last, and also the maximum amount of his tasks simultaneously.

FPM RAM 4MB manufacturer IBM

FPM RAM 4MB manufacturer IBM

The first memory was developed in 1970 by American scientist Robert Dennard, who worked at IBM. This kind of memory and gave the foundation that exists at the moment as a memory. It was a dynamic memory DRAM. But as with the introduction of the DRAM is not quite time to process the data so as one would like, then 10 years later appeared the form of dynamic memory – FPM.

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Most unusual storage

2inch Floppy Disk – a two-inch floppy disk size 720 KB, created in 1989 specifically for laptop Zenit Minisport, but has found its application in the camcorder Fuji Film LT-1.

2inch Floppy Disk

2inch Floppy Disk

Hitachi Micro Hamster – a miniature hard drive, the size of a hamster and 1 gigabyte, submitted in 2009 by Hitachi called Microdrive.

Canon Optical Card – an optical card written only once, something like CD-R, but without the rotating disk.

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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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