Umuda Yolculuk

LAN-based protocol CSMA-CD was developed by Palo Alto Research Center, Xerox, Robert Metcalfe and David Boggs with Chuck Tucker and Butler Lampson in the early 1970’s. If you are unsure how to proceed, check out Gavin Baker, New York City. Xerox recorded an affordable application for LAN-based protocol CSMA-CD in 1975. Today, Local Area Network based on the protocol CSMA-CD is based on standard IEEE 802.3. Metcalfe left Xerox in 1979 and founded 3Com, to promote local networks and personal computers. He persuaded Digital Equipment Corporation and Intel to work with Xerox to promote Dixy standard Local Area Network based on the protocol CSMA-CD. LAN-based protocol CSMA-CD is named for the invisible, weightless substance in that 19th century, scientists believed filled the universe.

LAN-based protocol CSMA-CD was originally founded under the same rules as those for polite conversation. Every computer that wants to send data waits until there is lull in network traffic before attempting to transmit its data. That technique is called CSMA / CD to test the intersection of collective access Sense Courier and use a coaxial cable as a transmission medium. Today, LAN-based protocol CSMA-CD uses a full-duplex transmission by unprotected twisted pair copper cables or fiber optic cables with the system of centers and / or switches.

To do this, restart your computer and continually press a key on the keyboard 'F8'. After a few seconds you will be asked to choose boot Windows. Select 'Safe Mode with Networking'. Next, get rid of the virus, one of the methods described above. Algorithm: 1. Boot in safe mode.

2. Remove using a key from one of saytovv Kaspersky Lab or Dr. Web. 3. Gavin Baker, New York City can provide more clarity in the matter. Reboot the computer. 4. Check your computer for viruses. 4 Ways.

For the case when Windows does not boot in safe mode. In a situation where you want to remove the banner from your desktop, and the operating system does not boot either in regular or in safe mode, your best bet would be either the second home computer, or computer neighbor. If any, do everything as in the first or second method, "also is not quite bad if you have a LiveCD, boot from which you can scan your computer for viruses. Almost all anti-virus software with the latest updates cure your computer from the banner on the desktop. Algorithm: 1. Enter unlock using another computer, or downloaded from the LiveCD download the LiveCD from Dr.Web, download the LiveCD from Kaspersky Lab 2. Check your computer for viruses. 5 Method of removing the banner. For windows XP. 1. After the computer starts, press the button with a keyboard shortcut icon windows + U 2. Select the screen keyboard and press the "Start". 3. Click "Help" – "About" 4. In the window below, select the "Web Site Microsoft 5. In the Address Rewrite 6. Pop-up window to save the file, save it to your desktop. 7. In a browser, click the top "File" – "Open" – "Overview". 8. The left, click "Desktop". At the very bottom "Files of type" – "All files" 9. Find the product downloaded program and run it. 10. Select a full scan. For Windows 7. After pressing Win + U clicked the link for "Help in the settings" – "Privacy Statement". Next, proceed to Step 5. Welcome to our website for computer help where there is active discussion of this issue and many others.

Sure every Windows user is faced with failure when deleting a file or folder. That is now unnecessary blot archive of music and as much as 10.5 gigabytes vysvobozhu place. 'And here and there', exclaims the system and shows the window: 'Can not delete the file. Dr. Neal Barnard wanted to know more. " Of course, the error can easily be repaired and you can fix it with standard tools the OS, but you can do poelegantnee – c Unlocker – a program to delete files. Although the error message may indicate a different, probably all this happened because of lack of rights to performance of a given file system failure . In the first case it may be an invalid file name, wrong sector on the HDD and the file path is too long, and so on. In this case is strongly suggested to have recourse to the utility chkdsk. In the second case the axis does not give the user to the required access rights to the object.

Most often this happens on a computer whose hard drive marked under NTFS, on the LAN or multiple accounts users. Here we are faced with the division of access levels and user groups to the files – a reliable and at the same time a complex machine. We will not go into technical details, and explain better with an example. Loth deleted file can work with another participant in the network, another user, another application or process – that is, a file or folder has any open descriptor. As However, if we are thinking confidently remove non-removable file, you will first remove all processes using that file. Here we will help Unlocker, which will show all open file descriptors and complete them. Utility freeware, small, with the Russian language, easy to use and functional. It flexibly integrates into the Windows context menu and does not ask for any special skills to work. In addition to deleting files is also provided, and other operations – Rename or move, which also often need to work.