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P-in
Reading: Tweet in
Field:
Portable telephone > PHS > P-in
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The PHS terminal of the PC card type which NTT [dokomo] sells, builds in data communication facility. Inserting in the PC card slot of the notebook PC, you use. You have specialized in the data communication with the PHS function of built-in, but if the earphone microphone is connected, In addition, when you connect with the portable telephone of the same company, function it does as a modem, corresponds to also the communication of the high-speed portable time.
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P-in Comp@ct
Reading: Tweet in compact
Field:
Portable telephone > PHS > P-in Comp@ct
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The data communication private PHS terminal of the CompactFlash type where NTT [dokomo] sells. That way, inserting in the CompactFlash slot of the portable information terminal, besides the fact that it can use, if it jointly uses the adapter of the difference sale, it can use in the PC card slot of the notebook PC. With the data communication private product, audio telephone call is not possible. Being the same as usual PHS, it can communicate the efficiency of data communication at the speed of 64kbps or 32kbps.
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ping
Reading: Pin and [pingu]
Full spelling: Packet INternet Groper
Field:
Network technology > TCP/IP > ping
LAN > Network management > ping
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The program which diagnoses the TCP/IP network of Internet and Intranet etc. When IP address of the computer which we would like to inspect whether or not it is connected, is appointed,whether or not it transmits the data of usually 32 bytes, there is reply from the computer of the partner, when there is reply, about some time is required, and so on, network is diagnosed on the basis of the data. |
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Ping of Death <PoD>
Reading: [pinguobudesu]
Field:
Security > network > Ping of Death
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You use in network management, the attack technique which abuses the program which is called the computer of the object it makes unserviceable.
But as for ping the simple program which inspects whether or not the computer of the partner responds originally, Ping of Death using this, sends the enormous IP packet which exceeds stipulated size much to the partner and attaches, makes the computer and the rooter crash of the object.
Problem came to the surface in 1996, even with various protocol other than thing and ping which is the possibility many OS encountering to damage from the fact that among other things you can use similar technique, became famous.
It was something which abuses the divided function of the IP packet, but presently all OS have almost coped, or the patch (the correction program) is distributed. Because as for OS of time before 1996 there is a possibility of receiving influence, use or version upgrade of the patch is recommended.
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PIO <Program I/O>
Reading: PIO
Full spelling: Programmed I/O
Field:
Personal computer > I/O > PIO
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Each device inside the computer and the transmission mode where CPU manages the data transfer between main memory. but the load which falls on CPU becomes heavy. With data transfer and the like of the hard disk, through CPU, the DMA system which does data transfer has become main current, PIO system is used as emergency use item when DMA does not operate normally. |
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