Z-tracks
In devices with a moving coil there are no pre-fixed positions. Instead, they use a special guidance system (positioning), which accurately brings the heads to the desired track. The system…

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Ways of spreading viruses
How are viruses and, in particular, the Win95.CIH virus spread? It is generally believed that the main path is the Internet. Other viruses cause a lot of controversy about the…

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What is worse than the "golden" wheels?
The prerequisites for the fact that the “golden” discs are worse than the “aluminum” ones are laid down in the recording technology itself. Standards for compact discs provide that the…

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childhood

Excellent coprocessor (FPU)

This time it turned out with a floating point. In time, apparently, they lured the team of Dirk Meyer, one of the creators of Alpha 21264. Now the floating point computation unit contains three separate blocks: addition (FADD), multiplication (FMUL) and storage (FSTORE) (see Fig. 1).

The addition and multiplication blocks are fully pipelined. The FPU architecture is such that it can take every clock input: one addition instruction and one multiplication instruction. Continue reading

Ways of spreading viruses
How are viruses and, in particular, the Win95.CIH virus spread? It is generally believed that the main path is the Internet. Other viruses cause a lot of controversy about the…

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How is the Y2K controller
Despite the fact that such controllers are now produced by many companies, this type of equipment does not shine with a variety of technical solutions. Pay attention to the appearance…

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Golden Disks and IDE
The problem of recording "golden" discs has already been covered on our website (as well as in the journal CHIP, No. 8, 1999). However, the problems continue. Only, if earlier…

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Z-tracks
In devices with a moving coil there are no pre-fixed positions. Instead, they use a special guidance system (positioning), which accurately brings the heads to the desired track. The system…

...